David Sierpina is an Ophthalmology physician. OpenAlex indexes 25 publications with 292 citations (h-index 8); ClinicalTrials.gov lists 1 registered study 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
11234 Anderson St
Gme Office Csp 21005
Loma Linda, CA 923542804
Telephone
909-558-2154Provider last certified this registry record 22 Jun 2020.
Clinical trials
- Epiretinal Membrane and Pseudophakic Cystoid Macular Edema
Sponsor: Loma Linda University
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
12 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Alcon Vision LLCProgram year20259 payments
- Amgen Inc.Program year20251 payment
- Alcon Vision LLCProgram year20247 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.
Similar KOLs
Other experts from the same institution or the same specialty.
No other directory profiles share this institution yet.
Emily Chew, MD
National Eye Institute
Robert Weinreb, MD
University of California San Diego
Harry Quigley, MD
Johns Hopkins University School of Medicine
Joel Schuman, MD
Wills Eye Hospital
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.”