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Medical Oncology

Andrew D. Zelenetz, MD

Sees patients in New York, NY · New York

Summary

Andrew D. Zelenetz, MD (Medical Oncology) is enrolled with Medicare at 2 practice locations in New York, NY. NPI 1841261351. 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 Andrew D. Zelenetz, 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
42Years since medical school (graduated 1984)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Memorial Hematology Lymphoma GroupGroup practice

Quick answers

Where does Andrew D. Zelenetz see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
What is Andrew D. Zelenetz's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Andrew D. Zelenetz accept Medicare assignment?
Yes. Medicare's clinician data says Andrew D. Zelenetz 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 Andrew D. Zelenetz offer telehealth?
Medicare's clinician data says Andrew D. Zelenetz offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Andrew D. Zelenetz?
(212) 639-2000, as listed in official Medicare / NPI Registry data.
What is Andrew D. Zelenetz's NPI number?
1841261351. 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 Andrew D. Zelenetz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Andrew D. Zelenetz as a member of this group (CMS data updated 2026-10-02).

  • Memorial Hematology Lymphoma Group216 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 schoolHarvard Medical School
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841261351
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