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Internal Medicine

Andres C. Marte-Grau, MD

Works at hospitals in Saint Petersburg, FL · Florida

Summary

Dr. Andres C. Marte-Grau, MD is an internal medicine doctor at 5130 Sunforest Dr, Suite 300, Tampa, FL 33634. Phone: (727) 824-0780. Accepts Medicare assignment. NPI 1447345335. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5130 Sunforest Dr, Suite 300, Tampa, FL 33634 · Directions
  • Phone: (727) 824‑0780
  • Medicare: Accepts Medicare assignment
  • Hospital: St Anthonys Hospital
  • Group practice: Optumcare Florida, LLC
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andres C. Marte-Grau, 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 Andres C. Marte-Grau accept Medicare assignment?
Yes. Medicare's clinician data says Andres C. Marte-Grau 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.
What is Andres C. Marte-Grau's NPI number?
1447345335. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andres C. Marte-Grau works

Medicare's Facility Affiliation Data lists Andres C. Marte-Grau 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 Andres C. Marte-Grau is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andres C. Marte-Grau as a member of this group (CMS data updated October 2, 2026).

  • Optumcare Florida, LLC272 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Tampa

Clinicians with the same Medicare primary specialty in Tampa, FL — not a recommendation.

All internal medicine doctors in Tampa →

Other clinicians in Optumcare Florida, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447345335
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians