Christopher Hamerski is a Gastroenterology physician affiliated with Kaiser Permanente San Francisco Medical Center. OpenAlex indexes 26 publications with 446 citations (h-index 8); ClinicalTrials.gov lists 2 registered studies matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
1101 Van Ness Ave Rm 3158
San Francisco, CA 941096919
Telephone
415-600-1151Provider last certified this registry record 14 Feb 2020.
Clinical trials
- Submucosal Injection EMR vs. Underwater EMR for Colorectal Polyps
Sponsor: California Pacific Medical Center Research Institute
- EUS-Guided Rendezvous or Direct Interventions Versus Advanced ERCP Techniques for Biliary Access and Therapy
Sponsor: California Pacific Medical Center Research Institute
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
3 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Boston Scientific CorporationProgram year20243 payments
- Cook Medical LLCProgram year20231 payment
- BOSTON SCIENTIFIC CORPORATIONProgram year20212 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- A Rare Presentation of Benign Vaterian Adenomyoma With High-Grade Adenomatous Dysplasia
ACG Case Reports Journal
2025 - S2196 Chasing Comets: A Case of Recurrent Intrahepatic Stones
The American Journal of Gastroenterology
2023
Similar KOLs
Other experts from the same institution or the same specialty.
Ralph Brindis, MD
Kaiser Permanente San Francisco Medical Center
Jacob Mishell, MD
Kaiser Permanente San Francisco Medical Center
Louise Greenspan, MD
Kaiser Permanente San Francisco Medical Center
Ramey Littell, MD
Kaiser Permanente San Francisco Medical Center
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”