Akiva Marcus is a Gastroenterology physician affiliated with West Palm Beach VA Medical Center. OpenAlex indexes 45 publications with 1,170 citations (h-index 10).
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
4700 N Congress Ave
Suite 201
West Palm Beach, FL 334073282
Telephone
561-881-2640Registry record last updated 31 Jul 2015.
Industry payments
28 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- ABBVIE INC.Program year202530 payments
- Gilead Sciences, Inc.Program year20258 payments
- PFIZER INC.Program year202524 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
92%Proton pump inhibitor45.6%Pantoprazole Sodium89%Omeprazole7%Lansoprazole4%Part D<11 patientsOsmotic Laxative17.9%Gavilyte-G71%Peg-3350 And Electrolytes20%Lactulose9%Part D<11 patients+ 9 more classes in this area
Cardiovascular
3.7%Bile Acid Sequestrant2.5%Cholestyramine100%Part D<11 patientsLoop diuretic1.2%Furosemide100%Part D<11 patientsAnti-infectives
2.3%Short-acting sulfonamides1.2%Sulfamethoxazole-Trimethoprim100%Part D<11 patientsPenicillins with extended spectrum1.1%Amoxicillin100%Part D≥12 patients
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.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- S4231 Green Ascites: An Initial Indicator Aiding in the Diagnosis of a Gastric Perforation
The American Journal of Gastroenterology
2023 - S3089 Buried Bumper Syndrome Leading to Hemorrhagic Shock
The American Journal of Gastroenterology
2023 - S4232 G-POEM: A Boon for a Patient With HIV and Severe Gastroparesis
The American Journal of Gastroenterology
2023
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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.”