Doctor profile · Federal record
Dr. Gregg Warshaw, M.D.
Geriatric Medicine (Family Medicine) Physician (CMS: Geriatric Medicine) · Chapel Hill, NC
- NPI 1992784516
- Accepts Medicare
- 50 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Unc Family Medicine Ctr, 590 Manning Drive
Chapel Hill, NC 275997596
(984) 974-0210
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- March 31, 2021
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207QG0300X — NUCC code
- State license (1)
- Ohio #35.052032
- Medicaid
- OH #0604886
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992784516. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
477
Distinct HCPCS
8
Medicare allowed
$39,939
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 239 | 153 | $120 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 78 | 74 | $86 | |
36415 |
Insertion of needle into vein for collection of blood sample | 65 | 60 | $8 | |
85610 |
Blood test, clotting time | 28 | 12 | $4 | |
93793 |
Anticoagulant management of patient taking warfarin | 28 | 12 | $11 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $158 | |
G0008 |
Administration of influenza virus vaccine | 13 | 13 | $29 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 12 | 12 | $75 |
In context: peer comparison
Among 1 peers in Chapel Hill Geriatric Medicine (Family Medicine) Physician, average services per provider: 59. This provider delivers 8.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,381
Patients
432
Total drug cost
$76,796
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 204 | 66 | $2,798 |
| Levothyroxine Sodium | Generic | 134 | 35 | $2,152 |
| Amlodipine Besylate | Generic | 115 | 41 | $1,188 |
| Losartan Potassium | Generic | 107 | 34 | $1,270 |
| Metoprolol Succinate | Generic | 103 | 33 | $2,192 |
| Tamsulosin Hcl | Generic | 85 | 35 | $1,645 |
| Lisinopril | Generic | 84 | 27 | $755 |
| Eliquis (Apixaban) | Brand | 82 | 14 | $57,904 |
| Omeprazole | Generic | 80 | 30 | $1,202 |
| Gabapentin | Generic | 78 | 30 | $1,678 |
Frequently asked questions
What is Dr. Gregg Warshaw's medical specialty?
Dr. Gregg Warshaw practices Geriatric Medicine (Family Medicine) Physician in Chapel Hill, NC.
Where does Dr. Gregg Warshaw practice?
Dr. Gregg Warshaw practices at Unc Family Medicine Ctr, Chapel Hill, NC 275997596. Office phone: 9849740210.
What is Dr. Gregg Warshaw's NPI?
Dr. Gregg Warshaw's National Provider Identifier (NPI) is 1992784516, issued by NPPES.
Does Dr. Gregg Warshaw accept Medicare assignment?
Yes. Dr. Gregg Warshaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Warshaw commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.