Joseph Pisegna is a Gastroenterology physician affiliated with VA Greater Los Angeles Healthcare System. OpenAlex indexes 193 publications with 6,217 citations (h-index 35); 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
200 Medical Plaza
#365,530,420,120
Los Angeles, CA 90095
Telephone
310-794-9718Registry record last updated 8 Jul 2007.
Clinical trials
- Gastrointestinal Hormonal Regulation of Obesity
Sponsor: VA Office of Research and Development
- Comparison of the Nighttime Effects of Two Different Drugs on Subjects With GERD
Sponsor: VA Greater Los Angeles Healthcare System
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
14 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Phathom Pharmaceuticals, Inc.Program year202540 payments$33,916openpaymentsdata.cms.gov ↗
- ABBVIE INC.Program year20257 payments
- Salix Pharmaceuticals, a division of Bausch Health US, LLCProgram year20252 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Medicare prescribing footprint (2024)
The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.
Metabolism & gastrointestinal
100%Antidiarrheal microorganisms42.9%Creon100%Part D<11 patientsProton pump inhibitor30.6%Dexilant100%Part D<11 patients+ 1 more class in this area
Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.
NIH funding
6 NIH research awards on record, funded 1996–2026 per NIH RePORTER. The latest:
- BCCMA: VA Colorectal Cancer Clinical & Computational Collaborative (VA-5C)
Va Greater Los Angeles Healthcare System
FY2026I01BX006367 - CMA: Cancer Stem Cells in the Pathogenesis and Treatment of Colorectal Cancer
Va Greater Los Angeles Healthcare System
FY2022I01BX004560 - CMA: Cancer Stem Cells in the Pathogenesis and Treatment of Colorectal Cancer
Va Greater Los Angeles Healthcare System
FY2021I01BX004560
Awards in the NIH RePORTER records where a principal investigator name matches this physician at an organization in their practice state. Latest award years shown; each row links to the project record on RePORTER.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Derivation and External Validation of Machine Learning-Based Model for Detection of Pancreatic Cancer
The American Journal of Gastroenterology
2022 - β2-spectrin (SPTBN1) as a therapeutic target for diet-induced liver disease and preventing cancer development
Science Translational Medicine
2021
Similar KOLs
Other experts from the same institution or the same specialty.
David Sarraf, MD
VA Greater Los Angeles Healthcare System
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VA Greater Los Angeles Healthcare System
David Rigberg, MD
VA Greater Los Angeles Healthcare System
Albert Sattin, MD
VA Greater Los Angeles Healthcare System
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.”