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Internal Medicine

Hillary Diamond, MD

Sees patients in Jamaica, NY · New York

Summary

Hillary Diamond, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Jamaica, NY. NPI 1902967011. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(718) 526‑6300 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Hillary 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

1Practice location
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
State University Of New York At Stony Brook, School Of MedicineMedical school
FemaleGender (as listed)
Advantagecare Physicians PCGroup practice

Quick answers

Where does Hillary Diamond see patients?
Medicare's clinician data lists 1 practice location in Jamaica, NY. Call before your visit to confirm the address.
What is Hillary Diamond's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
Does Hillary Diamond accept Medicare assignment?
Yes. Medicare's clinician data says Hillary 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 Hillary Diamond?
(718) 526-6300, as listed in official Medicare / NPI Registry data.
What is Hillary Diamond's NPI number?
1902967011. 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 Hillary Diamond is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Advantagecare Physicians PC303 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Jamaica

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

All internal medicine doctors in Jamaica →

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year1992
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902967011
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