Doctor profile · Federal record
Dr. Christopher Hamerski, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · San Francisco, CA
- NPI 1205033420
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1101 van Ness Ave Rm 3158
San Francisco, CA 941096919
(415) 600-1151 - Mailing address
-
Dept 34754, P.O. Box 39000
San Francisco, CA 941390001
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- December 20, 2021
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A100282
- Medicaid
- CA #1205033420
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205033420. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$109
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 3 | $108.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
13
Total drug cost
$102
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ciprofloxacin Hcl | Generic | 13 | 13 | $102 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Hamerski's medical specialty?
Dr. Christopher Hamerski practices Gastroenterology Physician in San Francisco, CA.
Where does Dr. Christopher Hamerski practice?
Dr. Christopher Hamerski practices at 1101 van Ness Ave Rm 3158, San Francisco, CA 941096919. Office phone: 4156001151.
What is Dr. Christopher Hamerski's NPI?
Dr. Christopher Hamerski's National Provider Identifier (NPI) is 1205033420, issued by NPPES.
Does Dr. Christopher Hamerski accept Medicare assignment?
Yes. Dr. Christopher Hamerski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.