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Medical Oncology

Luis A. Diaz, MD

Sees patients in New York, NY · New York

Summary

Luis A. Diaz, MD (Medical Oncology) is enrolled with Medicare at 1 practice location in New York, NY. NPI 1689601460. 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 Luis A. 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
28Years since medical school (graduated 1998)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Memorial Solid Tumor GroupGroup practice

Quick answers

Where does Luis A. Diaz see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Luis A. Diaz's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Luis A. Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Luis A. Diaz 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.
Does Luis A. Diaz offer telehealth?
Medicare's clinician data says Luis A. Diaz offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Luis A. Diaz?
(212) 639-2000, as listed in official Medicare / NPI Registry data.
What is Luis A. Diaz's NPI number?
1689601460. 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 Luis A. Diaz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Memorial Solid Tumor Group234 clinicians in the group

Specialties

Find other Medical Oncology doctors in New York →

Other oncologists in New York

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

All oncologists in New York →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1689601460
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