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Internal Medicine

Antonio S. Diaz, MD

Works at hospitals in Bronx, NY · New York

Summary

Antonio S. Diaz, MD (Internal Medicine) is listed by Medicare at 1 hospital in Bronx, NY. NPI 1902879281. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Antonio S. Diaz, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
43Years since medical school (graduated 1983)
MaleGender (as listed)
Montefiore Medical CenterGroup practice

Quick answers

Which hospitals does Antonio S. Diaz work at?
Medicare's official clinician data lists Antonio S. Diaz at 1 hospital: Montefiore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Antonio S. Diaz see patients?
Medicare's clinician data lists 1 practice location in Bronx, NY. Call before your visit to confirm the address.
What is Antonio S. Diaz's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Antonio S. Diaz accept Medicare assignment?
Medicare's clinician data says Antonio S. Diaz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Antonio S. Diaz offer telehealth?
Medicare's clinician data says Antonio S. Diaz offers telehealth services. Ask the office which visits can be done by video or phone.
What is Antonio S. Diaz's NPI number?
1902879281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Antonio S. Diaz works

Medicare's Facility Affiliation Data lists Antonio S. Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Antonio S. Diaz is enrolled with Medicare (CMS data updated 2026-10-02).

  • 111 E 210th StBronx, NY 10467

Group practices

Medicare enrollment lists Antonio S. Diaz as a member of this group (CMS data updated 2026-10-02).

  • Montefiore Medical Center2,820 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Bronx

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

All internal medicine doctors in Bronx →

Clinician information

CredentialMD
Graduation year1983
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902879281
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians