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Geriatric Medicine

Gregg A. Warshaw, MD

Works at hospitals in Chapel Hill, NC · North Carolina

Summary

Gregg A. Warshaw, MD (Geriatric Medicine) is listed by Medicare at 1 hospital in Chapel Hill, NC. NPI 1992784516. 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 Gregg A. Warshaw, 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

Geriatric MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
50Years since medical school (graduated 1976)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Legacy Healthcare Services IncGroup practice (+1 more)

Quick answers

Which hospitals does Gregg A. Warshaw work at?
Medicare's official clinician data lists Gregg A. Warshaw at 1 hospital: UNC Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregg A. Warshaw see patients?
Medicare's clinician data lists 2 practice locations, including Chapel Hill, NC and Durham, NC. Call before your visit to confirm the address.
What is Gregg A. Warshaw's specialty?
Medicare lists Geriatric Medicine as the primary specialty, and also Family Practice.
Does Gregg A. Warshaw accept Medicare assignment?
Yes. Medicare's clinician data says Gregg A. Warshaw 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 Gregg A. Warshaw offer telehealth?
Medicare's clinician data says Gregg A. Warshaw offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gregg A. Warshaw?
(984) 974-1000, as listed in official Medicare / NPI Registry data.
What is Gregg A. Warshaw's NPI number?
1992784516. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregg A. Warshaw works

Medicare's Facility Affiliation Data lists Gregg A. Warshaw at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

  • UNC HospitalsChapel Hill, NC · Acute Care Hospital · CCN 340061

Practice locations

Addresses where Gregg A. Warshaw is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregg A. Warshaw as a member of these groups (CMS data updated 2026-10-02).

  • Legacy Healthcare Services Inc3,223 clinicians in the group
  • University of North Carolina at Chapel Hill2,052 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in North Carolina →

Other geriatricians in Chapel Hill

Clinicians with the same Medicare primary specialty in Chapel Hill, NC — not a recommendation.

All geriatricians in Chapel Hill →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1992784516
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