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Internal Medicine

Martin Ortiz, MD

Sees patients in Rye, NY · White Plains, NY · Greenwich, CT · New York, Connecticut

Summary

Martin Ortiz, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in Rye, NY, White Plains, NY and Greenwich, CT. NPI 1467454793. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Martin Ortiz, 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
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
MaleGender (as listed)
Westchester Medical Group, P.CGroup practice

Quick answers

Where does Martin Ortiz see patients?
Medicare's clinician data lists 3 practice locations, including Rye, NY, White Plains, NY and Greenwich, CT. Call before your visit to confirm the address.
What is Martin Ortiz's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does Martin Ortiz accept Medicare assignment?
Yes. Medicare's clinician data says Martin Ortiz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Martin Ortiz?
(914) 848-8888, as listed in official Medicare / NPI Registry data.
What is Martin Ortiz's NPI number?
1467454793. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Martin Ortiz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Martin Ortiz as a member of this group (CMS data updated 2026-10-02).

  • Westchester Medical Group, P.C415 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Rye

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

All internal medicine doctors in Rye →

Clinician information

CredentialMD
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467454793
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians