Doctor profile · Federal record
Dr. Greg Warren, DO
Nephrology Physician (CMS: Internal Medicine) · Elizabeth City, NC
- NPI 1245270131
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
206 Hastings Lane
Elizabeth City, NC 279093324
(252) 335-1083
fax (252) 335-4030
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 22, 2007
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- Medicaid
- NC #5903364
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245270131. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,810
Distinct HCPCS
10
Medicare allowed
$240,883
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 399 | 118 | $76 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 369 | 197 | $91 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 270 | 78 | $340 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 156 | 76 | $48 | |
90966 |
Home dialysis services per month (20 years or older) | 115 | 30 | $280 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 94 | 75 | $76 | |
85018 |
Blood count, hemoglobin | 61 | 12 | $2 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 61 | 39 | $283 | |
81002 |
Urinalysis, manual test | 46 | 41 | $3 | |
G0008 |
Administration of influenza virus vaccine | 44 | 43 | $29 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 106. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$501
Transactions
26
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 4 | $83.46 | |
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $49.61 | |
| Daiichi Sankyo Inc. | 2 | $48.70 | |
| Otsuka America Pharmaceutical, Inc. | 2 | $47.73 | |
| AstraZeneca Pharmaceuticals LP | 3 | $46.20 | |
| AKEBIA THERAPEUTICS INC | 2 | $42.17 | |
| Ardelyx, Inc. | 2 | $41.33 | |
| Mallinckrodt Hospital Products Inc. | 2 | $34.27 | |
| Aurinia Pharma U.S., Inc. | 2 | $27.92 | |
| Vifor Pharma, Inc. | 1 | $25.58 | |
| Novartis Pharmaceuticals Corporation | 1 | $19.01 | |
| Travere Therapeutics, Inc. | 1 | $17.98 | |
| Novo Nordisk Inc | 1 | $16.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,138
Patients
545
Total drug cost
$59,732
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 296 | 76 | $2,033 |
| Furosemide | Generic | 216 | 63 | $1,760 |
| Atorvastatin Calcium | Generic | 208 | 51 | $2,592 |
| Lisinopril | Generic | 160 | 43 | $1,431 |
| Gabapentin | Generic | 155 | 33 | $2,153 |
| Hydralazine Hcl | Generic | 124 | 38 | $1,874 |
| Sevelamer Carbonate | Generic | 123 | 28 | $25,550 |
| Carvedilol | Generic | 119 | 35 | $923 |
| Losartan Potassium | Generic | 119 | 35 | $1,421 |
| Calcium Acetate | Generic | 113 | 24 | $14,114 |
Hospital affiliations
Frequently asked questions
What is Dr. Greg Warren's medical specialty?
Dr. Greg Warren practices Nephrology Physician in Elizabeth City, NC.
Where does Dr. Greg Warren practice?
Dr. Greg Warren practices at 206 Hastings Lane, Elizabeth City, NC 279093324. Office phone: 2523351083.
What is Dr. Greg Warren's NPI?
Dr. Greg Warren's National Provider Identifier (NPI) is 1245270131, issued by NPPES.
Does Dr. Greg Warren accept Medicare assignment?
Yes. Dr. Greg Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Warren commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.