Doctor profile · Federal record
Dr. Grantham Warren, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Spartanburg, SC
- NPI 1073583241
- Accepts Medicare
- MIPS 96.1 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
853 N Church St, Suite 600
Spartanburg, SC 293033098
(864) 583-4556
fax (864) 560-0625 - Mailing address
-
Po Box 743070
Atlanta, GA 303743070
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 14, 2021
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- South Carolina #26613
- Medicaid (2)
- NC #89067EE · SC #266198
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073583241. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
101
Distinct HCPCS
2
Medicare allowed
$10,229
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 76 | 73 | $121 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 25 | 25 | $41 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 57. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$292
Transactions
12
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US Inc | 5 | $109.29 | |
| OptumHealth Care Solutions, LLC | 1 | $57.47 | |
| Inari Medical, Inc. | 1 | $29.57 | |
| Axonics, Inc. | 1 | $27.86 | |
| Sumitomo Pharma America, Inc. | 1 | $18.53 | |
| PFIZER INC. | 1 | $17.54 | |
| COLOPLAST CORP | 1 | $16.66 | |
| Merck Sharp & Dohme LLC | 1 | $15.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
241
Patients
54
Total drug cost
$32,933
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 82 | 28 | $2,965 |
| Premarin (Estrogens, Conjugated) | Brand | 43 | 12 | $17,646 |
| Fluconazole | Generic | 29 | 14 | $104 |
| Medroxyprogesterone Acetate | Generic | 28 | 0 | $230 |
| Myrbetriq (Mirabegron) | Brand | 22 | 0 | $10,593 |
| Famciclovir | Generic | 13 | 0 | $822 |
| Raloxifene Hcl | Generic | 13 | 0 | $464 |
| Diazepam | Generic | 11 | 0 | $109 |
Hospital affiliations
Frequently asked questions
What is Dr. Grantham Warren's medical specialty?
Dr. Grantham Warren practices Obstetrics & Gynecology Physician in Spartanburg, SC.
Where does Dr. Grantham Warren practice?
Dr. Grantham Warren practices at 853 N Church St, Spartanburg, SC 293033098. Office phone: 8645834556.
What is Dr. Grantham Warren's NPI?
Dr. Grantham Warren's National Provider Identifier (NPI) is 1073583241, issued by NPPES.
Does Dr. Grantham Warren accept Medicare assignment?
Yes. Dr. Grantham Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grantham Warren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.