Active NPI 1033213392 Individual Practitioner Male Practitioner

Dr. Patrick Robert Dahl , MD

Dermatology • Fullerton, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Dahl, MD is a certified Dermatology practicing in Fullerton, CA. With approximately 35 years of clinical experience since graduating from Stanford University School Of Medicine in 1991, Dr. Dahl delivers high-quality medical care to the local community at 301 W BASTANCHURY ROAD.

Dr. Dahl maintains professional affiliations with Csi Medical Group, Accredited Dermatology Medical Clinic Inc and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

301 W Bastanchury Road
Suite 245

Fullerton, CA 92835

Telephone 7145253500

Fax 7145253588

Associated Practice Facility / Clinic

🏢 Accredited Dermatology Medical Clinic Inc Facility NPI 1871697136

Medicare Profile & Education

Medical School

Stanford University School Of Medicine

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Fullerton, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +5.3 yrs vs City Avg

City Avg: 29.7 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

10 Specialists

Practicing in Fullerton, CA (2182 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

24.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dahl (35 Years) 35 Yrs

Fullerton Specialty Average (29.7 Years) 29.7 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
17003 Destruction of precancer skin growth, 2-14 growths	3,740	228	$20.00	$8.09
88305 Pathology examination of tissue using a microscope, intermediate complexity	888	350	$140.00	$83.84
99213 Established patient office or other outpatient visit, typically 15 minutes	527	271	$105.00	$104.67
17000 Destruction of skin growth	438	238	$100.00	$75.05
11102 Tangential biopsy of single skin lesion	245	183	$144.14	$119.65
11103 Biopsy of related skin growth, each additional growth	197	108	$75.00	$60.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	138	106	$155.00	$146.68
17004 Destruction of precancer skin growth, 15 or more growths	91	74	$240.00	$199.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	78	66	$75.26	$65.08
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	44	41	$360.00	$357.45
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	27	24	$300.00	$144.85
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	26	24	$31.15	$28.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$135.00	$127.85
11106 Incision biopsy, first skin growth	23	23	$310.00	$186.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$195.00	$190.45
69100 Biopsy of ear	16	15	$130.00	$84.91
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	15	14	$320.00	$164.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	2,980	214	$20.00	$7.86
88305 Pathology examination of tissue using a microscope, intermediate complexity	793	356	$139.99	$80.38
99213 Established patient office or other outpatient visit, typically 15 minutes	434	252	$104.95	$99.69
17000 Destruction of skin growth	352	229	$99.87	$71.46
11102 Tangential biopsy of single skin lesion	203	163	$139.93	$115.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	153	123	$75.00	$63.35
11103 Biopsy of related skin growth, each additional growth	119	70	$75.00	$57.91
17004 Destruction of precancer skin growth, 15 or more growths	100	85	$240.00	$194.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	75	$155.23	$140.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$135.00	$123.74
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	50	47	$362.80	$337.48
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	31	29	$298.06	$136.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$194.17	$182.54
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	24	23	$760.00	$417.16
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	17	14	$321.18	$158.96
69100 Biopsy of ear	15	13	$129.67	$81.63
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	12	11	$240.00	$207.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,179	124	$20.00	$7.87
88305 Pathology examination of tissue using a microscope, intermediate complexity	782	341	$139.90	$80.85
99213 Established patient office or other outpatient visit, typically 15 minutes	349	202	$105.00	$100.95
17004 Destruction of precancer skin growth, 15 or more growths	335	203	$240.00	$196.28
11102 Tangential biopsy of single skin lesion	209	154	$140.05	$118.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	171	131	$75.35	$63.45
17000 Destruction of skin growth	162	140	$99.91	$70.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	149	113	$154.66	$142.03
11103 Biopsy of related skin growth, each additional growth	113	71	$75.22	$59.84
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	29	27	$360.00	$353.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$134.31	$121.36
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	19	18	$300.00	$141.54
11106 Incision biopsy, first skin growth	17	17	$305.88	$185.23
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	13	12	$760.00	$461.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$193.46	$184.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	801	327	$136.92	$80.87
17004 Destruction of precancer skin growth, 15 or more growths	466	254	$240.00	$192.10
99213 Established patient office or other outpatient visit, typically 15 minutes	383	236	$98.50	$97.96
11102 Tangential biopsy of single skin lesion	167	128	$140.00	$120.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	150	110	$145.13	$139.08
11103 Biopsy of related skin growth, each additional growth	127	71	$75.87	$62.10
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	123	99	$70.73	$62.67
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	60	45	$760.00	$535.87
17000 Destruction of skin growth	53	48	$99.72	$72.99
11106 Incision biopsy, first skin growth	50	47	$297.30	$180.66
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	46	42	$368.70	$354.40
17003 Destruction of precancer skin growth, 2-14 growths	36	21	$20.00	$7.70
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	35	33	$300.00	$144.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$133.75	$125.34
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm	14	13	$660.00	$564.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	822	342	$130.00	$79.81
99213 Established patient office or other outpatient visit, typically 15 minutes	617	282	$85.75	$83.72
17004 Destruction of precancer skin growth, 15 or more growths	488	239	$240.02	$181.63
11102 Tangential biopsy of single skin lesion	243	171	$140.35	$113.49
11103 Biopsy of related skin growth, each additional growth	128	78	$75.00	$60.83
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	92	75	$760.00	$528.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	56	$125.00	$119.61
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	49	$66.78	$51.45
17003 Destruction of precancer skin growth, 2-14 growths	53	20	$20.00	$6.95
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	39	33	$360.00	$350.67
17000 Destruction of skin growth	37	32	$99.59	$68.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$125.67	$120.09
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	30	25	$320.00	$161.39
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	29	28	$300.00	$142.43
69100 Biopsy of ear	23	22	$130.00	$86.74
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm	22	22	$660.00	$577.91
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	21	18	$557.38	$485.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	983	410	$130.00	$78.28
99213 Established patient office or other outpatient visit, typically 15 minutes	763	357	$84.96	$82.09
17004 Destruction of precancer skin growth, 15 or more growths	592	296	$240.00	$172.17
11102 Tangential biopsy of single skin lesion	289	209	$137.63	$111.01
11103 Biopsy of related skin growth, each additional growth	165	93	$71.30	$60.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	117	84	$71.79	$50.45
17003 Destruction of precancer skin growth, 2-14 growths	103	40	$20.00	$6.36
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	98	79	$758.98	$532.87
17000 Destruction of skin growth	82	65	$100.00	$67.70
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	60	50	$360.00	$347.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$124.62	$118.26
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	40	35	$300.00	$141.12
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	27	25	$320.00	$160.44
69100 Biopsy of ear	23	22	$130.00	$83.06
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	21	19	$575.00	$445.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	14	$125.00	$120.73
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm	15	15	$660.00	$573.86
67810 Biopsy of eyelid	14	14	$300.00	$203.25
11104 Punch biopsy, first skin growth	13	12	$173.46	$126.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,050	399	$130.00	$76.30
99213 Established patient office or other outpatient visit, typically 15 minutes	724	349	$85.01	$79.77
17004 Destruction of precancer skin growth, 15 or more growths	574	303	$240.00	$161.12
11100 Biopsy of single growth of skin and/or tissue	293	203	$125.00	$116.07
11101 Biopsy of each additional growth of skin and/or tissue	195	106	$70.00	$34.83
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	116	94	$760.00	$385.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	105	82	$76.57	$48.42
17003 Destruction of precancer skin growth, 2-14 growths	78	34	$20.00	$5.90
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	71	63	$360.00	$333.78
17000 Destruction of skin growth	66	52	$100.00	$70.96
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$125.11	$118.04
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	41	36	$320.00	$158.89
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	41	37	$300.00	$139.65
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	40	32	$575.00	$370.71
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm	19	19	$660.00	$414.66
69100 Biopsy of ear	16	15	$130.00	$81.95
67810 Biopsy of eyelid	13	12	$300.00	$196.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,097	434	$130.00	$77.46
99213 Established patient office or other outpatient visit, typically 15 minutes	769	380	$85.01	$80.58
17004 Destruction of precancer skin growth, 15 or more growths	596	328	$240.00	$169.93
11100 Biopsy of single growth of skin and/or tissue	321	226	$125.00	$114.86
11101 Biopsy of each additional growth of skin and/or tissue	236	115	$70.00	$36.22
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	140	98	$760.00	$313.78
17003 Destruction of precancer skin growth, 2-14 growths	111	35	$20.00	$6.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	108	91	$72.92	$48.45
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	75	63	$360.00	$335.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	71	71	$125.00	$116.94
17000 Destruction of skin growth	65	59	$100.00	$71.72
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	47	42	$320.21	$159.65
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	33	32	$300.00	$140.40
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	33	24	$575.00	$279.01
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm	23	22	$664.35	$320.52
69100 Biopsy of ear	19	16	$130.00	$75.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	14	$125.00	$118.42
67810 Biopsy of eyelid	15	15	$300.00	$190.88
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	12	11	$268.33	$206.86

Medical Specialties & State Licenses

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License CA G75823

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.

Hospital & Practice Group Affiliations

Csi Medical Group

301 W Bastanchury Rd, Fullerton, CA 928353430

Phone: 7145253500

Accredited Dermatology Medical Clinic Inc

301 W Bastanchury Rd, Fullerton, CA 928353430

Phone: 7145253500

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Kristina Holmkvist , MD

Dermatology

NPI 1194772822

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 August 17, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location August 17, 2012

Registered at 301 W BASTANCHURY ROAD, SUITE 245, FULLERTON, CA 92835 (Tel: 7145253500)

📍

Updated Business Mailing Address August 17, 2012

Registered at PO BOX 5859, FULLERTON, CA 92838 (Tel: 7145253500)

👤

Provider Name / Credentials Updated August 17, 2012

Recorded as PATRICK DAHL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 17, 2012

Dermatology (License #G75823 in CA)

🟢

Initial NPI Registration & Enumeration September 08, 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: 1033213392

Entity Type:

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

Enumeration Date: September 08, 2006

Last Update: August 17, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 5859

Fullerton, CA 92838

Phone: 7145253500

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.