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Gastroenterology

Joham Senior Marino, MD

Works at hospitals in Rio Piedras, PR · Puerto Rico

Summary

Dr. Joham Senior Marino, MD is a gastroenterologist at Bayamon Medical Plaza, Carr 2 Suite 104 A, Bayamon, PR 00959. Phone: (787) 798-9522. Accepts Medicare assignment. In 2024, Joham Senior Marino had 43 Original Medicare patients and 116 services. NPI 1053370130. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: Bayamon Medical Plaza, Carr 2 Suite 104 A, Bayamon, PR 00959 · Directions
  • Phone: (787) 798‑9522
  • Medicare: Accepts Medicare assignment
  • Hospital: Hospital Universitario de Adultos
  • Medical school: University Central Del Caribe Escuela De Medicina · graduated 1981 (45 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joham Senior Marino, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Joham Senior Marino accept Medicare assignment?
Yes. Medicare's clinician data says Joham Senior Marino accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joham Senior Marino see?
In 2024, CMS data shows 43 Original Medicare patients and 116 services for Joham Senior Marino. This counts Original Medicare only and measures volume, not quality.
What is Joham Senior Marino's NPI number?
1053370130. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Joham Senior Marino, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients43
Services billed to Medicare116
Different services or procedures6
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)52 services
  2. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)27 services
  3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)16 services
  4. Biopsy of large bowel using a flexible endoscope (45380)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes63%
  • Arthritis51%
  • Chronic kidney disease44%
  • Asthma30%

Hospitals where Joham Senior Marino works

Medicare's Facility Affiliation Data lists Joham Senior Marino at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Joham Senior Marino is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Gastroenterology doctors in Puerto Rico →

Other gastroenterologists in Bayamon

Clinicians with the same Medicare primary specialty in Bayamon, PR — not a recommendation.

All gastroenterologists in Bayamon →

Clinician information

CredentialMD
Medical schoolUniversity Central Del Caribe Escuela De Medicina
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053370130
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians