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Gastroenterology

Peter A. Naas, MD

Works at hospitals in Greer, SC · Greenville, SC · Simpsonville, SC … · South Carolina

Summary

Peter A. Naas, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Greer, SC, Greenville, SC and Simpsonville, SC and other places. NPI 1215135199. 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 Peter A. Naas, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
University Of Louisville School Of MedicineMedical school
MaleGender (as listed)
Gastroenterology Associates, PAGroup practice

Quick answers

Which hospitals does Peter A. Naas work at?
Medicare's official clinician data lists Peter A. Naas at 5 hospitals: Pelham Medical Center, Prisma Health Greenville Memorial Hospital, Prisma Health Hillcrest Hospital, Prisma Health Patewood Hospital and Spartanburg Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Peter A. Naas see patients?
Medicare's clinician data lists 3 practice locations, including Greenville, SC and Spartanburg, SC. Call before your visit to confirm the address.
What is Peter A. Naas's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Peter A. Naas accept Medicare assignment?
Yes. Medicare's clinician data says Peter A. Naas 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 Peter A. Naas?
(864) 232-7338, as listed in official Medicare / NPI Registry data.
What is Peter A. Naas's NPI number?
1215135199. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Peter A. Naas works

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

Group practices

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

  • Gastroenterology Associates, PA57 clinicians in the group

Specialties

Find other Gastroenterology doctors in South Carolina →

Other gastroenterologists in Greenville

Clinicians with the same Medicare primary specialty in Greenville, SC — not a recommendation.

All gastroenterologists in Greenville →

Clinician information

CredentialMD
Medical schoolUniversity Of Louisville School Of Medicine
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215135199
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