Active NPI 1235196858 Individual Practitioner Male Practitioner

Dr. Mark Allan Berk , MD

Dermatology • Lake Forest, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Berk, MD is a certified Dermatology practicing in Lake Forest, IL. With approximately 45 years of clinical experience since completing medical education in 1981, Dr. Berk delivers high-quality medical care to the local community at 900 N WESTMORELAND RD.

Dr. Berk is affiliated with Dermatologists Of Illinois, Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, destruction of precancer skin growth, 2-14 growths, destruction of skin growth. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

900 N Westmoreland Rd
Suite 222

Lake Forest, IL 600451674

Telephone 8472346121

Fax 8474820363

Associated Practice Facility / Clinic

🏢 Lake Forest Obstetrics Gynecology & Infertility S.c. Facility NPI 1649255902

Medicare Profile & Education

Medical School

Other

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Lake Forest, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs +20.2 yrs vs City Avg

City Avg: 24.8 Yrs

State Avg: 23.1 Yrs

Regional Practice Density

5 Specialists

Practicing in Lake Forest, IL (673 Statewide)

Telehealth Adoption Rate

20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

51.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Berk (45 Years) 45 Yrs

Lake Forest Specialty Average (24.8 Years) 24.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,842	1,193	$170.51	$93.55
17003 Destruction of precancer skin growth, 2-14 growths	1,328	306	$12.15	$6.77
17000 Destruction of skin growth	696	511	$124.41	$48.22
17110 Destruction of up to 14 skin growths	688	537	$214.82	$99.99
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	427	78	$9.17	$0.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	342	251	$241.88	$131.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	247	247	$210.84	$115.28
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	213	179	$236.55	$103.57
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	145	128	$266.95	$128.17
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	142	124	$270.33	$129.72
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	101	63	$40.00	$14.64
11104 Punch biopsy, first skin growth	95	92	$246.98	$126.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	92	84	$104.82	$58.17
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	78	69	$237.61	$109.15
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	75	68	$304.10	$153.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$314.91	$173.58
11102 Tangential biopsy of single skin lesion	50	49	$196.21	$85.88
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	46	41	$337.65	$173.02
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	38	37	$225.78	$98.88
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	33	30	$274.99	$131.82
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	30	28	$195.40	$71.54
11303 Shaving of over 2.0 centimeters skin growth of the trunk, arms, or legs	28	25	$297.50	$145.68
11900 Injection into skin growth, 1-7 growths	25	21	$106.62	$47.74
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	25	24	$365.43	$191.70
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	24	22	$686.84	$389.51
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	23	21	$505.15	$266.18
10040 Acne surgery	22	22	$221.00	$101.19
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	21	19	$585.85	$299.66
11404 Removal of noncancer skin growth of body, arms, or legs, 3.1-4.0 cm	19	18	$435.58	$118.02
96574 Application of light with debridement to destroy precancer skin growth	19	17	$545.26	$282.87
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	16	16	$357.10	$188.87
11403 Removal of noncancer skin growth of body, arms, or legs, 2.1-3.0 cm	15	15	$380.85	$103.35
11200 Removal of skin tag, 1-15 skin tags	15	14	$170.25	$67.27
11106 Incision biopsy, first skin growth	15	15	$302.29	$161.03
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	14	12	$390.39	$197.32
17264 Destruction of cancer skin growth of trunk, arms, or legs, 3.1-4.0 cm	13	13	$392.23	$206.16
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	12	12	$204.86	$90.19
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$137.36	$71.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,679	1,093	$170.48	$93.61
17003 Destruction of precancer skin growth, 2-14 growths	1,212	278	$12.15	$6.93
17110 Destruction of up to 14 skin growths	677	513	$214.79	$100.79
17000 Destruction of skin growth	633	455	$124.41	$48.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	354	253	$241.91	$131.87
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	294	67	$5.00	$1.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	277	277	$210.93	$118.07
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	188	150	$236.52	$99.46
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	187	152	$270.33	$127.61
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	100	92	$266.96	$131.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	98	92	$104.79	$59.10
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	95	62	$40.00	$14.65
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	94	85	$304.11	$159.28
11104 Punch biopsy, first skin growth	90	82	$246.92	$128.10
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	86	76	$237.66	$115.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	75	75	$315.45	$174.72
11102 Tangential biopsy of single skin lesion	74	73	$196.39	$87.58
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	48	44	$275.00	$138.17
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	43	36	$337.64	$173.49
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	42	38	$365.41	$198.90
10040 Acne surgery	37	34	$220.99	$109.58
11303 Shaving of over 2.0 centimeters skin growth of the trunk, arms, or legs	35	30	$297.48	$142.98
11200 Removal of skin tag, 1-15 skin tags	34	32	$170.31	$61.49
11900 Injection into skin growth, 1-7 growths	21	13	$106.61	$48.85
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	20	18	$686.84	$384.74
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	18	17	$225.81	$92.77
17273 Destruction of malignant growth (2.1 to 3.0 centimeters) of scalp, neck, hands, feet, or genitals	16	16	$397.66	$214.89
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	15	14	$357.11	$172.81
11106 Incision biopsy, first skin growth	15	15	$301.76	$159.06
96574 Application of light with debridement to destroy precancer skin growth	14	14	$546.70	$294.54
11103 Biopsy of related skin growth, each additional growth	14	11	$100.16	$53.02
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	13	13	$585.84	$259.77
11313 Shaving of over 2.0 centimeters skin growth of face, ears, eyelids, nose, lips, or mouth	12	11	$352.37	$184.25
17111 Destruction of skin growth, 15 or more growths	12	12	$251.95	$140.27
17283 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 2.1-3.0 cm	12	12	$462.00	$256.35
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$137.18	$75.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,734	1,103	$170.47	$95.80
17003 Destruction of precancer skin growth, 2-14 growths	1,537	322	$12.15	$7.14
17000 Destruction of skin growth	694	504	$124.40	$48.59
17110 Destruction of up to 14 skin growths	625	470	$214.81	$103.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	325	325	$210.86	$119.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	295	218	$241.78	$134.74
11102 Tangential biopsy of single skin lesion	287	255	$196.55	$89.95
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	267	94	$5.00	$1.14
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	211	176	$236.56	$105.48
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	147	130	$266.95	$136.69
11104 Punch biopsy, first skin growth	129	121	$246.97	$133.84
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	115	95	$270.29	$127.77
88305 Pathology examination of tissue using a microscope, intermediate complexity	98	74	$79.65	$36.42
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	96	64	$39.86	$14.97
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	76	68	$237.65	$111.45
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	75	68	$304.11	$158.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	70	68	$104.78	$60.23
11103 Biopsy of related skin growth, each additional growth	58	52	$100.25	$55.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$314.99	$177.53
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	50	45	$337.65	$180.72
11900 Injection into skin growth, 1-7 growths	49	40	$106.59	$50.40
10040 Acne surgery	40	39	$220.99	$112.41
11200 Removal of skin tag, 1-15 skin tags	32	32	$170.34	$59.04
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	31	30	$275.00	$142.54
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	31	31	$365.47	$197.73
11106 Incision biopsy, first skin growth	28	28	$301.96	$167.53
17111 Destruction of skin growth, 15 or more growths	28	22	$251.79	$129.98
99202 New patient office or other outpatient visit, typically 20 minutes	25	25	$137.03	$77.66
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	22	18	$686.84	$388.09
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	20	20	$357.03	$198.47
11303 Shaving of over 2.0 centimeters skin growth of the trunk, arms, or legs	18	15	$297.47	$151.65
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	18	17	$390.69	$220.46
11105 Punch biopsy, each additional skin growth	17	17	$115.83	$64.30
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	17	16	$585.90	$269.17
17273 Destruction of malignant growth (2.1 to 3.0 centimeters) of scalp, neck, hands, feet, or genitals	16	15	$397.51	$217.12
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	16	16	$225.90	$94.87
69100 Biopsy of ear	14	14	$188.40	$89.46
17283 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 2.1-3.0 cm	14	14	$461.63	$258.60
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	12	11	$195.46	$69.31
96574 Application of light with debridement to destroy precancer skin growth	12	12	$545.87	$306.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,753	321	$12.19	$6.94
99213 Established patient office or other outpatient visit, typically 15 minutes	1,747	1,168	$170.88	$97.17
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,651	933	$62.82	$35.52
17000 Destruction of skin growth	666	470	$124.61	$46.48
11102 Tangential biopsy of single skin lesion	596	521	$196.81	$90.47
17110 Destruction of up to 14 skin growths	594	470	$215.02	$106.24
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	355	112	$5.32	$1.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	286	210	$241.92	$138.21
11103 Biopsy of related skin growth, each additional growth	235	159	$100.41	$57.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	218	218	$211.48	$120.50
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	190	155	$236.90	$107.79
88312 Special stained specimen slides to identify organisms including interpretation and report	173	135	$158.50	$89.75
11104 Punch biopsy, first skin growth	168	152	$247.20	$136.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	121	111	$106.83	$59.40
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	116	77	$28.62	$15.02
96900 Application of ultraviolet light to skin	91	11	$44.34	$25.34
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	87	79	$266.95	$136.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$314.99	$179.95
11900 Injection into skin growth, 1-7 growths	51	41	$106.72	$48.38
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	50	46	$270.57	$142.12
88304 Pathology examination of tissue using a microscope, moderately low complexity	49	46	$56.64	$32.35
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	42	40	$237.92	$114.78
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	41	35	$337.66	$171.77
10040 Acne surgery	37	35	$221.02	$114.33
11200 Removal of skin tag, 1-15 skin tags	36	34	$170.26	$59.45
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	33	31	$195.83	$79.55
11106 Incision biopsy, first skin growth	31	31	$302.39	$167.10
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	29	24	$340.64	$180.62
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	23	23	$225.73	$109.35
17111 Destruction of skin growth, 15 or more growths	23	21	$252.03	$137.62
17004 Destruction of precancer skin growth, 15 or more growths	22	18	$313.26	$179.00
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$137.04	$78.31
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	21	19	$281.92	$149.33
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	15	15	$314.81	$161.87
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	14	14	$204.96	$79.47
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	14	14	$304.11	$173.78
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	14	14	$391.44	$223.08
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	13	12	$357.02	$190.63
11105 Punch biopsy, each additional skin growth	13	12	$115.94	$66.19
69100 Biopsy of ear	13	13	$188.86	$86.95
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	12	11	$275.02	$144.05
88313 Special stained specimen slides to examine tissue including interpretation and report	11	11	$127.37	$72.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,977	1,011	$137.02	$33.65
17003 Destruction of precancer skin growth, 2-14 growths	1,970	375	$16.59	$6.35
99213 Established patient office or other outpatient visit, typically 15 minutes	1,699	1,125	$149.21	$79.62
17110 Destruction of up to 14 skin growths	719	541	$202.58	$85.68
17000 Destruction of skin growth	715	522	$128.64	$42.71
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	607	126	$32.11	$1.48
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	550	391	$202.79	$97.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	360	295	$103.02	$48.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	241	241	$245.08	$113.29
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	237	190	$260.01	$122.11
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	192	158	$241.64	$129.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	189	180	$208.12	$115.55
11104 Punch biopsy, first skin growth	176	160	$327.12	$130.72
88312 Special stained specimen slides to identify organisms including interpretation and report	154	125	$176.21	$83.33
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	122	84	$40.25	$15.06
11102 Tangential biopsy of single skin lesion	100	99	$189.97	$79.20
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	99	88	$239.23	$105.67
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	96	79	$171.81	$70.20
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	76	66	$359.44	$180.43
11106 Incision biopsy, first skin growth	75	75	$377.51	$160.39
11900 Injection into skin growth, 1-7 growths	67	46	$114.88	$45.54
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	60	53	$237.98	$84.38
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	51	40	$427.17	$162.49
11103 Biopsy of related skin growth, each additional growth	51	35	$101.12	$57.79
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	51	50	$340.00	$162.09
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	42	36	$354.85	$125.00
99202 New patient office or other outpatient visit, typically 20 minutes	39	39	$164.89	$81.53
17004 Destruction of precancer skin growth, 15 or more growths	38	31	$299.66	$169.83
11200 Removal of skin tag, 1-15 skin tags	36	35	$192.13	$50.60
11303 Shaving of over 2.0 centimeters skin growth of the trunk, arms, or legs	35	29	$281.81	$152.22
11901 Injection into skin growth, more than 7 growths	34	13	$130.10	$67.26
11105 Punch biopsy, each additional skin growth	32	24	$101.86	$65.21
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	31	30	$298.22	$140.15
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	29	28	$426.85	$217.09
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	27	24	$295.54	$143.36
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	23	22	$199.92	$71.50
36415 Insertion of needle into vein for collection of blood sample	20	17	$20.00	$2.83
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	20	20	$400.00	$273.27
17111 Destruction of skin growth, 15 or more growths	15	14	$248.91	$117.51
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	15	15	$355.86	$202.30
10040 Acne surgery	12	11	$201.21	$81.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	2,637	1,268	$150.57	$32.18
17003 Destruction of precancer skin growth, 2-14 growths	2,486	461	$18.00	$6.14
99213 Established patient office or other outpatient visit, typically 15 minutes	2,418	1,445	$150.00	$78.42
95044 Test for allergy using skin patch	1,520	19	$22.00	$6.22
17000 Destruction of skin growth	945	643	$130.00	$45.05
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	818	166	$34.59	$1.59
17110 Destruction of up to 14 skin growths	808	643	$200.00	$86.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	705	546	$110.00	$47.79
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	694	492	$200.00	$99.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	385	384	$250.00	$114.97
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	326	262	$260.00	$124.78
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	288	223	$170.00	$66.65
11104 Punch biopsy, first skin growth	222	205	$350.00	$127.74
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	201	13	$119.60	$118.75
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	186	161	$240.00	$89.55
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	171	151	$240.00	$107.22
88312 Special stained specimen slides to identify organisms including interpretation and report	149	143	$180.00	$77.64
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	137	110	$45.00	$17.59
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	130	120	$240.00	$134.30
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	118	94	$361.00	$180.05
11106 Incision biopsy, first skin growth	112	109	$400.00	$155.66
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	88	68	$361.00	$130.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	70	$250.00	$113.81
11900 Injection into skin growth, 1-7 growths	75	55	$118.00	$47.32
99202 New patient office or other outpatient visit, typically 20 minutes	66	66	$173.64	$80.77
11200 Removal of skin tag, 1-15 skin tags	57	54	$200.00	$55.95
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	46	42	$200.00	$74.79
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	46	41	$295.00	$155.40
17004 Destruction of precancer skin growth, 15 or more growths	38	38	$300.00	$163.89
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	37	35	$340.00	$158.16
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	32	31	$300.00	$142.44
17111 Destruction of skin growth, 15 or more growths	27	21	$250.00	$127.65
11105 Punch biopsy, each additional skin growth	25	23	$100.00	$65.56
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	24	23	$433.00	$182.56
36415 Insertion of needle into vein for collection of blood sample	22	16	$20.00	$2.87
17280 Destruction of malignant growth (0.5 centimeters or less) of face, ears, eyelids, nose, lips, or mouth	21	21	$283.00	$122.25
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	18	17	$400.00	$265.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$350.00	$174.99
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	15	13	$650.00	$389.71
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	15	11	$35.00	$23.98
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	15	12	$433.00	$200.46
11403 Removal of noncancer skin growth of body, arms, or legs, 2.1-3.0 cm	15	14	$380.00	$119.85
11303 Shaving of over 2.0 centimeters skin growth of the trunk, arms, or legs	15	14	$280.00	$155.69
11102 Tangential biopsy of single skin lesion	14	14	$200.00	$83.43
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	11	11	$356.00	$203.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	2,219	1,107	$150.00	$31.32
99213 Established patient office or other outpatient visit, typically 15 minutes	2,145	1,282	$150.00	$76.57
17003 Destruction of precancer skin growth, 2-14 growths	1,740	358	$18.00	$5.70
95044 Test for allergy using skin patch	1,106	14	$22.00	$6.16
17000 Destruction of skin growth	771	522	$130.00	$48.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	732	532	$110.00	$46.29
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	602	118	$31.78	$1.77
17110 Destruction of up to 14 skin growths	597	462	$200.00	$91.23
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	576	408	$200.00	$102.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	406	406	$250.00	$114.57
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	317	231	$170.00	$70.30
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	255	208	$260.00	$89.55
11100 Biopsy of single growth of skin and/or tissue	254	245	$200.00	$99.70
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	174	148	$240.00	$98.98
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	121	98	$240.00	$132.73
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	119	93	$45.00	$21.35
88312 Special stained specimen slides to identify organisms including interpretation and report	116	114	$180.00	$75.00
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	114	104	$240.00	$116.12
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	92	76	$361.00	$130.46
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	85	74	$361.00	$185.72
99202 New patient office or other outpatient visit, typically 20 minutes	67	67	$150.00	$79.50
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	61	56	$200.00	$75.91
11200 Removal of skin tag, 1-15 skin tags	45	43	$200.00	$59.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	41	$250.00	$111.31
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	36	34	$295.00	$160.67
17280 Destruction of malignant growth (0.5 centimeters or less) of face, ears, eyelids, nose, lips, or mouth	36	35	$283.00	$137.96
11900 Injection into skin growth, 1-7 growths	34	24	$118.00	$51.42
11101 Biopsy of each additional growth of skin and/or tissue	30	23	$120.00	$35.35
11303 Shaving of over 2.0 centimeters skin growth of the trunk, arms, or legs	29	24	$280.00	$158.71
36415 Insertion of needle into vein for collection of blood sample	29	24	$20.00	$2.94
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	24	23	$300.00	$135.73
17111 Destruction of skin growth, 15 or more growths	24	22	$250.00	$138.24
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	23	19	$433.00	$163.63
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	23	22	$340.00	$168.85
17004 Destruction of precancer skin growth, 15 or more growths	21	16	$300.00	$154.94
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	15	14	$500.00	$398.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$350.00	$174.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	2,029	1,231	$148.28	$76.42
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,973	1,028	$150.00	$30.92
17003 Destruction of precancer skin growth, 2-14 growths	1,824	381	$18.00	$6.04
17000 Destruction of skin growth	806	550	$130.00	$48.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	741	512	$110.00	$45.82
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	516	89	$15.00	$1.80
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	483	368	$200.00	$108.07
17110 Destruction of up to 14 skin growths	442	351	$200.00	$94.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	355	355	$245.77	$114.23
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	308	233	$170.00	$69.04
11100 Biopsy of single growth of skin and/or tissue	292	271	$197.64	$98.42
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	219	182	$260.00	$88.24
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	161	138	$240.00	$98.24
88312 Special stained specimen slides to identify organisms including interpretation and report	98	94	$180.00	$80.69
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	97	64	$45.00	$26.42
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	96	89	$240.00	$139.95
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	92	85	$240.00	$119.72
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	77	63	$361.00	$135.93
99202 New patient office or other outpatient visit, typically 20 minutes	71	71	$150.00	$79.08
11900 Injection into skin growth, 1-7 growths	67	33	$118.00	$51.17
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	65	54	$361.00	$178.80
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	54	49	$200.00	$72.26
17280 Destruction of malignant growth (0.5 centimeters or less) of face, ears, eyelids, nose, lips, or mouth	46	40	$283.00	$133.72
11200 Removal of skin tag, 1-15 skin tags	44	43	$200.00	$60.17
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	42	33	$295.00	$156.18
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	39	27	$500.00	$356.85
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	34	27	$300.00	$141.36
11101 Biopsy of each additional growth of skin and/or tissue	27	26	$108.89	$35.32
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	22	20	$300.00	$153.58
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	22	21	$340.00	$164.26
36415 Insertion of needle into vein for collection of blood sample	21	20	$20.00	$2.94
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	20	17	$433.00	$177.50
17004 Destruction of precancer skin growth, 15 or more growths	16	13	$300.00	$160.72
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	11	$34.56	$21.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$198.00	$105.49
17111 Destruction of skin growth, 15 or more growths	14	13	$250.00	$139.99

Medical Specialties & State Licenses

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License IL 036068947

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036068947 (IL)

Hospital & Practice Group Affiliations

Dermatologists Of Illinois, Pllc

225 E Deerpath, Lake Forest, IL 600451970

Phone: 8472346121

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners

Dr. Denise Verges , MD

Internal Medicine - Rheumatology

NPI 1053376681

Doctor of Medicine (M.D.)

Dr. Blanca Estupinan , MD

Dermatology

NPI 1487159604

Doctor of Medicine (M.D.)

Dr. Jennifer Capezio , MD

Internal Medicine - Rheumatology

NPI 1528023058

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active January 26, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location January 26, 2010

Registered at 900 N WESTMORELAND RD, SUITE 222, LAKE FOREST, IL 600451674 (Tel: 8472346121)

📍

Updated Business Mailing Address January 26, 2010

Registered at 900 N WESTMORELAND RD, SUITE 222, LAKE FOREST, IL 600451674 (Tel: 8472346121)

👤

Provider Name / Credentials Updated January 26, 2010

Recorded as MARK BERK, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 26, 2010

Dermatology (License #036068947 in IL)

🟢

Initial NPI Registration & Enumeration April 27, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1235196858

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 27, 2006

Last Update: January 26, 2010

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

900 N Westmoreland Rd, Suite 222

Lake Forest, IL 600451674

Phone: 8472346121

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.