Doctor profile · Federal record
Dr. Nnamdi Gwacham, DO
Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Student in an Organized Health Care Education/Training Program · Gynecologic Oncology Physician · Memphis, TN
- NPI 1346604253
- 10 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 6 locations .
- Primary practice
-
80 Humphreys Center Dr Ste 202
Memphis, TN 381202361
(901) 226-4280
fax (901) 226-4282 - Additional location
-
2100 Exeter RD
Germantown, TN 381383966
(901) 757-1350
fax (901) 757-3496 - Additional location
-
6019 Walnut Grove RD
Memphis, TN 381202113
(901) 226-4910
fax (901) 226-4774 - Additional location
-
6225 Humphreys Blvd
Memphis, TN 381202373
(901) 227-2727
fax (901) 227-2477 - Additional location
-
8138 Country Village Dr
Cordova, TN 380162029
(901) 725-8606
fax (901) 759-9254 - Additional location
-
11209 N Tatum Blvd Ste B200
Phoenix, AZ 850283091
(480) 530-4200
fax (833) 465-1459 - Mailing address
-
350 N Humphreys Blvd
Memphis, TN 381202177
Show 3 more locations
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- March 4, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207VX0201X — NUCC code
- State licenses (2)
- Tennessee #6594 · Arizona #010200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346604253. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$1,160
Transactions
28
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 6 | $310.39 | |
| Abbvie INC. | 2 | $160.31 | |
| Galvanize Therapeutics, INC | 1 | $119.93 | |
| Shionogi INC | 1 | $117.87 | |
| Daiichi Sankyo INC. | 3 | $76.15 | |
| Merck Sharp & Dohme LLC | 3 | $66.81 | |
| GlaxoSmithKline, LLC. | 2 | $58.96 | |
| Novartis Pharmaceuticals Corporation | 2 | $44.21 | |
| Eisai INC. | 2 | $41.49 | |
| TerSera Therapeutics LLC | 1 | $34.64 | |
| Genmab U.S., INC. | 1 | $25.83 | |
| Recordati_Rare_Diseases_INC. | 1 | $24.24 | |
| Rigel Pharmaceuticals, INC. | 1 | $22.75 | |
| Adaptive Biotechnologies Corporation | 1 | $21.46 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $20.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
162
Patients
156
Total drug cost
$852
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Hcl | Generic | 69 | 69 | $400 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 56 | 51 | $383 |
| Tramadol Hcl | Generic | 37 | 36 | $69 |
Hospital affiliations
Frequently asked questions
What is Dr. Nnamdi Gwacham's medical specialty?
Dr. Nnamdi Gwacham practices Gynecologic Oncology Physician in Memphis, TN.
Where does Dr. Nnamdi Gwacham practice?
Dr. Nnamdi Gwacham practices at 80 Humphreys Center Dr Ste 202, Memphis, TN 381202361. Office phone: 9012264280.
What is Dr. Nnamdi Gwacham's NPI?
Dr. Nnamdi Gwacham's National Provider Identifier (NPI) is 1346604253, issued by NPPES.
Does Dr. Nnamdi Gwacham accept Medicare assignment?
Dr. Nnamdi Gwacham does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.