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Hospice/Palliative Care

Gustavo S. Mastroleo, MD

Works at hospitals in Houston, TX · Texas

Summary

Dr. Gustavo S. Mastroleo, MD is a palliative care doctor at 4710 Bellaire Blvd, Bellaire, TX 77401. Phone: (713) 363-9411. Accepts Medicare assignment. NPI 1700466992. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Palliative care doctor (Medicare lists Hospice/Palliative Care)
  • Address: 4710 Bellaire Blvd, Bellaire, TX 77401 · Directions (5 more locations)
  • Phone: (713) 363‑9411
  • Medicare: Accepts Medicare assignment
  • Hospital: Houston Methodist Hospital
  • Group practice: TMH Physician Associates PLLC (+1 more)
  • Medical school: University Of Texas Medical Branch At Galveston · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gustavo S. Mastroleo, 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 Gustavo S. Mastroleo accept Medicare assignment?
Yes. Medicare's clinician data says Gustavo S. Mastroleo 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 Gustavo S. Mastroleo's NPI number?
1700466992. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gustavo S. Mastroleo works

Medicare's Facility Affiliation Data lists Gustavo S. Mastroleo 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 Gustavo S. Mastroleo is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

  • 4710 Bellaire BlvdBellaire, TX 77401 (713) 363‑9411
  • 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150
  • 6565 Fannin StHouston, TX 77030
  • 6565 Fannin St, Suite 520Houston, TX 77030
  • 6565 Fannin St Main, 577 Methodist Acad Med AssocHouston, TX 77030 (713) 441‑0428

Group practices

Medicare enrollment lists Gustavo S. Mastroleo as a member of these groups (CMS data updated October 2, 2026).

  • TMH Physician Associates PLLC1,690 clinicians in the group
  • Houston Methodist Specialty Physicians1,528 clinicians in the group

Specialties

Find other Hospice/Palliative Care doctors in Texas →

Other palliative care doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All palliative care doctors in Texas →

Other clinicians in TMH Physician Associates PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1700466992
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