Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Lisa C. Diamond, MD

Sees patients in New York, NY · New York

Summary

Lisa C. Diamond, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in New York, NY. NPI 1972684470. 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 Lisa C. Diamond, 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
23Years since medical school (graduated 2003)
George Washington University School Of MedicineMedical school
FemaleGender (as listed)
Memorial Medical Consultation GroupGroup practice

Quick answers

Where does Lisa C. Diamond see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Lisa C. Diamond's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Lisa C. Diamond accept Medicare assignment?
Yes. Medicare's clinician data says Lisa C. Diamond 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 Lisa C. Diamond?
(212) 639-2000, as listed in official Medicare / NPI Registry data.
What is Lisa C. Diamond's NPI number?
1972684470. 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 Lisa C. Diamond is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lisa C. Diamond as a member of this group (CMS data updated 2026-10-02).

  • Memorial Medical Consultation Group76 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

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

All internal medicine doctors in New York →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972684470
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