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Internal Medicine

Bryan Tolentino Guerrero, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Bryan Tolentino Guerrero, MD is an internal medicine doctor at 1000 10th Ave, New York, NY 10019. Phone: (212) 523-6500. Accepts Medicare assignment. NPI 1578966289. 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: 1000 10th Ave, New York, NY 10019 · Directions (3 more locations)
  • Phone: (212) 523‑6500
  • Medicare: Accepts Medicare assignment
  • Hospital: Mount Sinai West
  • Group practice: Icahn School of Medicine at Mount Sinai (+1 more)
  • Medical school: graduated 2011 (15 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Bryan Tolentino Guerrero, 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 Bryan Tolentino Guerrero accept Medicare assignment?
Yes. Medicare's clinician data says Bryan Tolentino Guerrero 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 Bryan Tolentino Guerrero's NPI number?
1578966289. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Bryan Tolentino Guerrero works

Medicare's Facility Affiliation Data lists Bryan Tolentino Guerrero 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.

  • Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

Addresses where Bryan Tolentino Guerrero is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bryan Tolentino Guerrero as a member of these groups (CMS data updated October 2, 2026).

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
  • Community Healthcare Network Inc84 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All internal medicine doctors in New York →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578966289
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