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Nephrology

David A. Lessman, MD

Sees patients in New York, NY · New York

Summary

David A. Lessman, MD (Nephrology) is enrolled with Medicare at 1 practice location in New York, NY. NPI 1487813275. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(212) 857‑4522 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about David A. Lessman, 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

1Practice location
NephrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
19Years since medical school (graduated 2007)
Icahn School Of Medicine At Mount SinaiMedical school
MaleGender (as listed)
The Madison Physicians, LLPGroup practice

Quick answers

Where does David A. Lessman see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is David A. Lessman's specialty?
Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
Does David A. Lessman accept Medicare assignment?
Yes. Medicare's clinician data says David A. Lessman 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 David A. Lessman offer telehealth?
Medicare's clinician data says David A. Lessman offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David A. Lessman?
(212) 857-4522, as listed in official Medicare / NPI Registry data.
What is David A. Lessman's NPI number?
1487813275. 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 David A. Lessman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • The Madison Physicians, LLP6 clinicians in the group

Specialties

Find other Nephrology doctors in New York →

Other nephrologists in New York

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

All nephrologists in New York →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487813275
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