Doctor profile · Federal record
Dr. Oana Klein, MD
Internal Medicine Physician · Internal Medicine Physician · Endocrinology, Diabetes & Metabolism Physician · Larkspur, CA
- NPI 1427240647
- 19 yrs on file
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5 Bon Air RD Ste 117
Larkspur, CA 949391138
(415) 448-1500
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- March 15, 2023
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #C54895 · Illinois #036-119158
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427240647. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 1 | $24.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
184
Patients
50
Total drug cost
$4,007
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 43 | 23 | $1,202 |
| Gabapentin | Generic | 26 | 0 | $494 |
| Levothyroxine Sodium | Generic | 23 | 15 | $527 |
| Amlodipine Besylate | Generic | 19 | 12 | $400 |
| Lamotrigine | Generic | 18 | 0 | $282 |
| Metformin Hcl | Generic | 17 | 0 | $266 |
| Lisinopril | Generic | 14 | 0 | $268 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 12 | 0 | $98 |
| Losartan Potassium | Generic | 12 | 0 | $470 |
Frequently asked questions
What is Dr. Oana Klein's medical specialty?
Dr. Oana Klein practices Internal Medicine Physician in Larkspur, CA.
Where does Dr. Oana Klein practice?
Dr. Oana Klein practices at 5 Bon Air RD Ste 117, Larkspur, CA 949391138. Office phone: 4154481500.
What is Dr. Oana Klein's NPI?
Dr. Oana Klein's National Provider Identifier (NPI) is 1427240647, issued by NPPES.