Doctor profile · Federal record
Dr. Greg Denenberg, MD
Internal Medicine Physician (CMS: Internal Medicine) · Skokie, IL
- NPI 1235185299
- Accepts Medicare
- 31 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4905 Old Orchard Ctr, Lower Level
Skokie, IL 600771425
(847) 679-6707
fax (847) 679-6721
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- May 19, 2008
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-098295
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235185299. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,552
Distinct HCPCS
10
Medicare allowed
$333,956
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,222 | 585 | $91 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 651 | 571 | $16 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 492 | 492 | $137 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 428 | 428 | $19 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 412 | 412 | $19 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 299 | 214 | $135 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 120 | 93 | $24 | |
G0008 |
Administration of influenza virus vaccine | 117 | 116 | $32 | |
G0328 |
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | 115 | 115 | $18 | |
90662 |
Influenza vaccine split virus, preservative free | 114 | 113 | $72 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 110. This provider delivers 41× the peer median.Open Payments
Industry payments received
All-time total
$3,483
Transactions
170
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 29 | $600.51 | |
| AstraZeneca Pharmaceuticals LP | 25 | $524.92 | |
| PFIZER INC. | 23 | $430.46 | |
| Novo Nordisk Inc | 22 | $407.88 | |
| Lilly USA, LLC | 18 | $298.70 | |
| Amgen Inc. | 15 | $275.27 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 9 | $145.49 | |
| GlaxoSmithKline, LLC. | 6 | $111.01 | |
| Merck Sharp & Dohme LLC | 5 | $93.41 | |
| Esperion Therapeutics, Inc. | 4 | $79.11 | |
| Janssen Pharmaceuticals, Inc | 4 | $76.00 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $61.33 | |
| Exact Sciences Corporation | 3 | $55.95 | |
| Inspire Medical Systems, Inc. | 2 | $51.03 | |
| Mylan Specialty L.P. | 2 | $49.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,938
Patients
1,319
Total drug cost
$251,581
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 751 | 204 | $11,395 |
| Levothyroxine Sodium | Generic | 531 | 135 | $8,370 |
| Amlodipine Besylate | Generic | 528 | 132 | $5,560 |
| Losartan Potassium | Generic | 507 | 130 | $6,959 |
| Simvastatin | Generic | 457 | 130 | $6,134 |
| Rosuvastatin Calcium | Generic | 318 | 76 | $5,520 |
| Omeprazole | Generic | 264 | 81 | $4,086 |
| Lisinopril | Generic | 261 | 70 | $3,381 |
| Hydrochlorothiazide | Generic | 242 | 69 | $1,762 |
| Metoprolol Succinate | Generic | 201 | 62 | $4,864 |
Hospital affiliations
Frequently asked questions
What is Dr. Greg Denenberg's medical specialty?
Dr. Greg Denenberg practices Internal Medicine Physician in Skokie, IL.
Where does Dr. Greg Denenberg practice?
Dr. Greg Denenberg practices at 4905 Old Orchard Ctr, Skokie, IL 600771425. Office phone: 8476796707.
What is Dr. Greg Denenberg's NPI?
Dr. Greg Denenberg's National Provider Identifier (NPI) is 1235185299, issued by NPPES.
Does Dr. Greg Denenberg accept Medicare assignment?
Yes. Dr. Greg Denenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Denenberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.