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

Gastroenterology

Matthew B. Grundfast, MD

Works at hospitals in Thomasville, GA · Georgia

Summary

Matthew B. Grundfast, MD (Gastroenterology) is listed by Medicare at 1 hospital in Thomasville, GA. NPI 1124011085. 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 Matthew B. Grundfast, 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
29Years since medical school (graduated 1997)
New York Medical CollegeMedical school
MaleGender (as listed)
Archbold Medical Group, Inc.Group practice

Quick answers

Which hospitals does Matthew B. Grundfast work at?
Medicare's official clinician data lists Matthew B. Grundfast at 1 hospital: Archbold Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew B. Grundfast see patients?
Medicare's clinician data lists 2 practice locations, including Thomasville, GA. Call before your visit to confirm the address.
What is Matthew B. Grundfast's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Matthew B. Grundfast accept Medicare assignment?
Yes. Medicare's clinician data says Matthew B. Grundfast 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 Matthew B. Grundfast?
(229) 227-0045, as listed in official Medicare / NPI Registry data.
What is Matthew B. Grundfast's NPI number?
1124011085. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew B. Grundfast works

Medicare's Facility Affiliation Data lists Matthew B. Grundfast 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 Matthew B. Grundfast is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Matthew B. Grundfast as a member of this group (CMS data updated 2026-10-02).

  • Archbold Medical Group, Inc.81 clinicians in the group

Specialties

Find other Gastroenterology doctors in Georgia →

Other gastroenterologists in Thomasville

Clinicians with the same Medicare primary specialty in Thomasville, GA — not a recommendation.

All gastroenterologists in Thomasville →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124011085
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