Martin Collen is a Gastroenterology physician. OpenAlex indexes 71 publications with 3,410 citations (h-index 31).
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex.
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
36320 Inland Valley Dr
Ste. 209
Wildomar, CA 925957512
Telephone
951-203-1538Registry record last updated 9 Jun 2009.
Industry payments
2 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- INTERCEPT PHARMACEUTICALS, INC.Program year20231 payment
- BOSTON SCIENTIFIC CORPORATIONProgram year20211 payment
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.
- Omeprazole versus ranitidine or ranitidine/metoclopramide in poorly responsive symptomatic gastroesophageal reflux disease.
PubMed
1996 - Gastroesophageal reflux disease in the elderly: more severe disease that requires aggressive therapy.
PubMed
1995 - Clinical outcome of post-ERCP pancreatitis: relationship to history of previous pancreatitis.
PubMed
1995 - Endoscopic sphincterotomy-induced pancreatitis: increased risk associated with nondilated bile ducts and sphincter of Oddi dysfunction.
PubMed
1994 - Basal acid output and gastric acid hypersecretion in gastroesophageal reflux disease
Digestive Diseases and Sciences
1994
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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.”