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Rheumatology

Robert Lesser, MD

Works at hospitals in New York, NY · New York

Summary

Robert Lesser, MD (Rheumatology) is listed by Medicare at 1 hospital in New York, NY. NPI 1245354463. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert Lesser, 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

RheumatologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
44Years since medical school (graduated 1982)
Chicago College Of Medicine And SurgeryMedical school
MaleGender (as listed)
New York UniversityGroup practice

Quick answers

Which hospitals does Robert Lesser work at?
Medicare's official clinician data lists Robert Lesser at 1 hospital: NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert Lesser see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Robert Lesser's specialty?
Medicare lists Rheumatology as the primary specialty.
Does Robert Lesser accept Medicare assignment?
Yes. Medicare's clinician data says Robert Lesser 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 Robert Lesser offer telehealth?
Medicare's clinician data says Robert Lesser offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Robert Lesser?
(212) 263-9700, as listed in official Medicare / NPI Registry data.
What is Robert Lesser's NPI number?
1245354463. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert Lesser works

Medicare's Facility Affiliation Data lists Robert Lesser 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 Robert Lesser is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • New York University6,134 clinicians in the group

Specialties

Find other Rheumatology doctors in New York →

Other rheumatologists in New York

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

All rheumatologists in New York →

Clinician information

CredentialMD
Medical schoolChicago College Of Medicine And Surgery
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1245354463
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