Active NPI 1235185299 Individual Practitioner Male Practitioner

Dr. Greg D Denenberg , MD

Internal Medicine • Glenview, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Greg Denenberg, MD is a certified Internal Medicine practicing in Glenview, IL. With approximately 31 years of clinical experience since completing medical education in 1995, Dr. Denenberg delivers high-quality medical care to the local community at 2501 COMPASS RD STE 100.

Dr. Denenberg maintains professional affiliations with Covenant Medical Group, Llc, Select Rehabilitation, Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, routine ekg using at least 12 leads including interpretation and report, annual depression screening, 5 to. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2501 Compass Rd Ste 100

Glenview, IL 600268000

Telephone 8479015200

Fax 8479015225

Associated Practice Facility / Clinic

🏢 Covenant Medical Group, Llc Facility NPI 1912186024

Medicare Profile & Education

Medical School

Other

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Glenview, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs +0.7 yrs vs City Avg

City Avg: 30.3 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

59 Specialists

Practicing in Glenview, IL (7544 Statewide)

Telehealth Adoption Rate

37.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

64.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Denenberg (31 Years) 31 Yrs

Glenview Specialty Average (30.3 Years) 30.3 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	1,198	557	$211.70	$91.58
93000 Routine ekg using at least 12 leads including interpretation and report	613	523	$43.69	$15.23
G0444 Annual depression screening, 5 to 15 minutes	485	485	$55.65	$19.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	476	476	$388.58	$137.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	276	186	$373.05	$135.02
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	149	114	$68.60	$24.05
G0008 Administration of influenza virus vaccine	92	92	$62.00	$33.70
90662 Influenza vaccine split virus, preservative free	89	89	$220.00	$81.38
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	88	88	$768.93	$290.10
G0009 Administration of pneumococcal vaccine	86	86	$73.40	$33.70
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	84	84	$45.72	$17.67
G0102 Prostate cancer screening; digital rectal examination	63	63	$69.28	$24.12
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	53	45	$154.61	$56.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	35	$546.99	$191.04
69210 Removal of impacted ear wax	29	23	$148.09	$51.51
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	24	23	$46.51	$14.95
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$495.96	$174.67
77080 Dxa bone density measurement of hip, pelvis, spine	21	20	$112.07	$40.74
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	16	16	$576.51	$196.93
76536 Ultrasound of head and neck	16	15	$329.55	$114.05
83036 Hemoglobin A1C level	16	13	$25.44	$9.52
76700 Ultrasound of abdomen	15	15	$350.04	$121.15
93970 Ultrasound study of arm or leg veins with compression and maneuvers	15	15	$549.73	$194.73
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	14	14	$43.59	$15.24
99496 Transitional care management services for problem of high complexity	12	12	$862.00	$293.12
G0442 Annual alcohol misuse screening, 5 to 15 minutes	12	12	$57.42	$19.51
99497 Advance care planning, first 30 minutes	12	11	$291.25	$86.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,222	585	$201.00	$90.71
93000 Routine ekg using at least 12 leads including interpretation and report	651	571	$45.00	$15.51
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	492	492	$400.00	$136.97
G0444 Annual depression screening, 5 to 15 minutes	428	428	$57.00	$19.47
G0442 Annual alcohol misuse screening, 5 to 15 minutes	412	412	$57.00	$19.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	299	214	$396.00	$135.40
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	120	93	$71.00	$24.25
G0008 Administration of influenza virus vaccine	117	116	$62.00	$32.32
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	115	115	$51.17	$17.69
90662 Influenza vaccine split virus, preservative free	114	113	$212.72	$71.81
G0102 Prostate cancer screening; digital rectal examination	66	66	$71.00	$24.37
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	64	54	$161.00	$55.07
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	56	51	$555.00	$190.18
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	54	54	$859.61	$281.81
G0009 Administration of pneumococcal vaccine	53	53	$62.00	$32.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$521.00	$178.29
71046 X-ray of chest, 2 views	38	34	$105.00	$35.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$353.00	$120.71
99496 Transitional care management services for problem of high complexity	23	22	$855.00	$292.73
77080 Dxa bone density measurement of hip, pelvis, spine	22	22	$118.00	$40.47
69210 Removal of impacted ear wax	21	17	$151.00	$51.79
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	19	19	$605.00	$205.08
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$514.00	$176.19
99497 Advance care planning, first 30 minutes	13	13	$257.00	$87.87
93880 Ultrasound of both sides of head and neck blood flow	12	12	$595.00	$203.77
99495 Transitional care management services for problem of at least moderate complexity	12	12	$631.00	$210.30
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	12	12	$45.00	$15.55
93970 Ultrasound study of arm or leg veins with compression and maneuvers	11	11	$586.00	$200.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	970	502	$201.00	$92.39
93000 Routine ekg using at least 12 leads including interpretation and report	567	517	$46.00	$15.56
G0444 Annual depression screening, 5 to 15 minutes	426	426	$48.00	$19.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	213	161	$291.00	$136.64
G0008 Administration of influenza virus vaccine	127	125	$62.00	$31.05
90662 Influenza vaccine split virus, preservative free	122	120	$140.00	$68.43
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	116	116	$49.00	$17.83
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	116	112	$391.00	$194.24
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	115	75	$61.00	$24.71
G0102 Prostate cancer screening; digital rectal examination	108	108	$60.00	$24.71
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	75	57	$144.00	$56.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	69	69	$445.00	$181.64
G0009 Administration of pneumococcal vaccine	56	56	$62.00	$31.21
71046 X-ray of chest, 2 views	47	42	$87.00	$35.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$293.00	$122.41
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	43	35	$290.00	$112.41
77080 Dxa bone density measurement of hip, pelvis, spine	43	43	$112.00	$40.25
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	34	34	$380.00	$277.13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	27	27	$313.00	$139.69
69210 Removal of impacted ear wax	26	25	$172.08	$51.86
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	20	20	$46.00	$15.60
76536 Ultrasound of head and neck	19	18	$311.00	$122.55
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$446.00	$180.02
76700 Ultrasound of abdomen	16	16	$328.00	$128.43
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$286.00	$131.88
72110 X-ray of lower and sacral spine, minimum of 4 views	14	14	$130.00	$55.69
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	13	13	$555.00	$209.79
93880 Ultrasound of both sides of head and neck blood flow	12	12	$546.00	$210.90
93970 Ultrasound study of arm or leg veins with compression and maneuvers	11	11	$527.00	$206.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	650	342	$201.00	$95.67
93000 Routine ekg using at least 12 leads including interpretation and report	395	343	$46.00	$16.19
G0444 Annual depression screening, 5 to 15 minutes	292	292	$48.00	$20.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	224	160	$291.00	$140.20
G0008 Administration of influenza virus vaccine	156	155	$62.00	$17.93
90662 Influenza vaccine split virus, preservative free	152	151	$140.00	$65.15
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	125	119	$391.00	$196.12
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	91	72	$61.00	$24.20
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	79	79	$49.00	$18.05
G0102 Prostate cancer screening; digital rectal examination	69	69	$60.00	$24.32
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	51	40	$144.00	$57.08
77080 Dxa bone density measurement of hip, pelvis, spine	40	40	$112.00	$41.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$293.00	$122.62
G0009 Administration of pneumococcal vaccine	38	38	$62.00	$17.96
71046 X-ray of chest, 2 views	34	31	$87.00	$36.42
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	26	26	$46.00	$16.19
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$446.00	$181.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$445.00	$183.10
69210 Removal of impacted ear wax	21	16	$150.95	$53.07
90670 Pneumococcal vaccine for injection into muscle	20	20	$280.00	$239.69
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$286.00	$125.59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	16	16	$313.00	$143.16
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	16	15	$290.00	$113.63
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	14	14	$49.00	$15.92
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$562.00	$241.50
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	12	12	$555.00	$213.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	601	291	$200.37	$79.11
93000 Routine ekg using at least 12 leads including interpretation and report	326	294	$46.00	$18.54
G0444 Annual depression screening, 5 to 15 minutes	222	222	$48.00	$19.50
G0008 Administration of influenza virus vaccine	201	197	$62.00	$17.67
90662 Influenza vaccine split virus, preservative free	197	193	$139.65	$60.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	197	129	$290.09	$116.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	126	119	$390.89	$158.08
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	70	55	$60.94	$24.75
G0102 Prostate cancer screening; digital rectal examination	70	70	$59.77	$24.33
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	69	69	$49.00	$17.99
99442 Telephone medical discussion with physician, 11-20 minutes	64	48	$160.00	$80.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	14	$123.00	$49.56
99422 Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes	37	34	$83.00	$33.18
71046 X-ray of chest, 2 views	34	32	$86.47	$35.07
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	30	27	$144.00	$57.46
G0009 Administration of pneumococcal vaccine	28	28	$62.00	$17.62
77085 Bone density measurement using dedicated x-ray machine	24	24	$152.00	$57.15
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	22	22	$46.00	$18.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$445.00	$171.57
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$446.00	$179.30
77080 Dxa bone density measurement of hip, pelvis, spine	20	20	$112.00	$42.74
99423 Online digital evaluation and management service for an established patient for up to 7 days, total time 21 or more minutes	19	18	$134.00	$53.60
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	19	19	$286.00	$119.50
69210 Removal of impacted ear wax	16	14	$133.00	$53.45
93970 Ultrasound study of arm or leg veins with compression and maneuvers	15	13	$527.00	$210.49
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	14	14	$49.00	$15.92
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	12	12	$555.00	$216.33
90670 Pneumococcal vaccine for injection into muscle	11	11	$368.45	$222.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	881	376	$195.00	$78.64
93000 Routine ekg using at least 12 leads including interpretation and report	370	333	$46.00	$18.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	308	192	$286.90	$115.13
G0444 Annual depression screening, 5 to 15 minutes	249	249	$48.00	$19.13
G0008 Administration of influenza virus vaccine	176	174	$62.00	$17.23
90662 Influenza vaccine split virus, preservative free	172	170	$124.48	$54.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	93	88	$388.37	$155.44
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	78	78	$49.00	$17.69
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	70	13	$113.00	$44.26
71046 X-ray of chest, 2 views	68	62	$81.00	$33.20
G0102 Prostate cancer screening; digital rectal examination	67	67	$56.00	$23.62
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	63	47	$57.00	$23.97
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	53	39	$144.00	$56.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	51	18	$117.00	$48.09
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	42	14	$246.00	$98.11
69210 Removal of impacted ear wax	37	29	$133.00	$51.56
G0009 Administration of pneumococcal vaccine	36	36	$62.00	$17.33
77085 Bone density measurement using dedicated x-ray machine	31	31	$152.00	$57.99
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	22	22	$270.55	$111.07
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	21	21	$313.00	$123.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$293.00	$116.74
99306 Initial nursing facility visit, typically 45 minutes per day	18	15	$447.00	$178.15
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$446.00	$177.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$445.00	$176.79
90670 Pneumococcal vaccine for injection into muscle	16	16	$485.44	$210.39
72110 X-ray of lower and sacral spine, minimum of 4 views	14	13	$130.00	$54.26
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	13	13	$46.00	$18.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	858	369	$195.07	$77.52
93000 Routine ekg using at least 12 leads including interpretation and report	320	288	$46.65	$18.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	236	159	$287.25	$114.35
G0444 Annual depression screening, 5 to 15 minutes	224	224	$48.54	$19.40
G0008 Administration of influenza virus vaccine	196	193	$62.00	$21.31
90662 Influenza vaccine split virus, preservative free	192	189	$122.58	$52.12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	108	29	$195.96	$78.97
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	95	18	$113.00	$45.13
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	91	82	$389.05	$155.71
71046 X-ray of chest, 2 views	74	66	$81.09	$32.13
G0102 Prostate cancer screening; digital rectal examination	63	63	$55.97	$22.41
85610 Blood test, clotting time	62	12	$12.10	$4.75
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	62	62	$49.00	$19.25
87804 Detection test by immunoassay with direct visual observation for influenza virus	60	27	$41.00	$16.22
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	45	15	$245.93	$98.87
G0009 Administration of pneumococcal vaccine	41	41	$62.00	$21.31
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	41	31	$144.05	$57.79
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	39	34	$56.95	$22.88
77085 Bone density measurement using dedicated x-ray machine	36	36	$167.22	$60.27
69210 Removal of impacted ear wax	27	22	$133.44	$51.57
90670 Pneumococcal vaccine for injection into muscle	24	24	$480.79	$198.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$293.00	$112.06
99239 Hospital discharge day management, more than 30 minutes	19	13	$289.00	$116.17
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	18	18	$46.78	$18.01
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$445.00	$178.33
72110 X-ray of lower and sacral spine, minimum of 4 views	17	17	$130.00	$52.09
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$266.41	$105.59
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	16	16	$446.38	$180.65
93880 Ultrasound of both sides of head and neck blood flow	14	14	$546.00	$212.18
99306 Initial nursing facility visit, typically 45 minutes per day	14	14	$447.00	$179.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	869	364	$196.00	$76.64
93000 Routine ekg using at least 12 leads including interpretation and report	321	286	$59.00	$18.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	230	163	$290.84	$112.70
G0444 Annual depression screening, 5 to 15 minutes	218	218	$59.00	$18.76
G0008 Administration of influenza virus vaccine	199	196	$62.00	$26.42
90662 Influenza vaccine split virus, preservative free	197	194	$107.00	$47.86
81002 Urinalysis, manual test	136	132	$9.71	$3.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	117	29	$194.00	$76.43
85610 Blood test, clotting time	106	12	$13.22	$5.28
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	102	23	$111.92	$44.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	73	67	$390.00	$152.62
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous	64	64	$56.00	$21.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	63	15	$120.00	$45.95
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	62	50	$55.00	$21.07
71020 X-ray of chest, 2 views, front and side	59	48	$80.00	$28.12
G0102 Prostate cancer screening; digital rectal examination	55	55	$54.00	$20.75
77085 Bone density measurement using dedicated x-ray machine	50	50	$289.00	$58.67
G0009 Administration of pneumococcal vaccine	49	49	$62.00	$26.42
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	37	11	$244.92	$96.38
90670 Pneumococcal vaccine for injection into muscle	36	36	$448.56	$184.06
87804 Detection test by immunoassay with direct visual observation for influenza virus	36	17	$41.61	$16.11
99239 Hospital discharge day management, more than 30 minutes	31	24	$288.68	$113.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$445.00	$175.10
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	27	21	$146.00	$56.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	22	$372.00	$146.41
69210 Removal of impacted ear wax	21	18	$136.00	$52.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$293.00	$115.47
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	14	11	$466.00	$179.94
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$223.54	$96.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$560.00	$220.19
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	11	11	$53.00	$18.19
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$449.00	$174.15

Medical Specialties & State Licenses

CMS Verified: 2026-07-14

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-098295

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Bcbs

016-37105 (IL)

Hospital & Practice Group Affiliations

Covenant Medical Group, Llc

2501 Compass Rd, Glenview, IL 600268000

Phone: 8479015200

Select Rehabilitation, Llc

2600 Compass Rd, Glenview, IL 600268001

Practice Associates & Co-Workers

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

9 Associated Practitioners

Dr. Gregory Wallman , DO

Internal Medicine

NPI 1043324643

Doctor of Osteopathic Medicine (D.O.)

Dr. Christopher Ho , DO

Internal Medicine

NPI 1053765040

Doctor of Osteopathic Medicine (D.O.)

Dr. Martha Millar , MD

Internal Medicine

NPI 1063591808

Doctor of Medicine (M.D.)

Dr. Frank Weschler , MD

Internal Medicine

NPI 1114099173

Doctor of Medicine (M.D.)

Dr. Katherine Lewinski , DO

Internal Medicine

NPI 1114108727

Doctor of Osteopathic Medicine (D.O.)

Dr. Michael Caughron , MD

Internal Medicine

NPI 1164534137

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location July 14, 2026

Registered at 2501 COMPASS RD STE 100, GLENVIEW, IL 600268000 (Tel: 8479015200)

📍

Updated Business Mailing Address July 14, 2026

Registered at 2501 COMPASS RD STE 100, GLENVIEW, IL 600268000 (Tel: 8479015200)

✅

NPI Profile Active May 19, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location May 19, 2008

Registered at 4905 OLD ORCHARD CTR, LOWER LEVEL, SKOKIE, IL 600771425 (Tel: 8476796707)

📍

Updated Business Mailing Address May 19, 2008

Registered at 4905 OLD ORCHARD CTR, LOWER LEVEL, SKOKIE, IL 600771425 (Tel: 8476796707)

👤

Provider Name / Credentials Updated May 19, 2008

Recorded as GREG DENENBERG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 19, 2008

Internal Medicine (License #036-098295 in IL)

🟢

Initial NPI Registration & Enumeration May 25, 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: 1235185299

Entity Type:

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

Enumeration Date: May 25, 2006

Last Update: July 14, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

2501 Compass Rd Ste 100

Glenview, IL 600268000

Phone: 8479015200

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.