Doctor profile · Federal record
Dr. Allen Nan, MD
Obstetrics & Gynecology Physician · Antioch, CA
- NPI 1750469326
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5601 Deer Valley RD
Antioch, CA 945318577
(925) 813-6500 - Mailing address
-
1800 Harrison St Fl 7
Oakland, CA 946123466
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 13, 2021
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #G73566
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750469326. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Galderma Laboratories, L.P. | 1 | $16.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
248
Patients
124
Total drug cost
$31,711
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 117 | 66 | $5,467 |
| Estring (Estradiol) | Brand | 36 | 15 | $21,263 |
| Acyclovir | Generic | 24 | 11 | $245 |
| Fluconazole | Generic | 24 | 20 | $148 |
| Yuvafem (Estradiol) | Brand | 19 | 12 | $2,595 |
| Medroxyprogesterone Acetate | Generic | 15 | 0 | $187 |
| Climara (Estradiol) | Brand | 13 | 0 | $1,807 |
Frequently asked questions
What is Dr. Allen Nan's medical specialty?
Dr. Allen Nan practices Obstetrics & Gynecology Physician in Antioch, CA.
Where does Dr. Allen Nan practice?
Dr. Allen Nan practices at 5601 Deer Valley RD, Antioch, CA 945318577. Office phone: 9258136500.
What is Dr. Allen Nan's NPI?
Dr. Allen Nan's National Provider Identifier (NPI) is 1750469326, issued by NPPES.