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Gastroenterology

Walter G. Guthrie, MD

Sees patients in Atlanta, GA · Kennesaw, GA · Georgia

Summary

Dr. Walter G. Guthrie, MD is a gastroenterologist at 20 Glenlake Pkwy, Atlanta, GA 30328. Phone: (770) 677-6043. Accepts Medicare assignment. In 2024, Walter G. Guthrie had 19 Original Medicare patients and 28 services. NPI 1609818541. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 20 Glenlake Pkwy, Atlanta, GA 30328 · Directions (2 more locations)
  • Phone: (770) 677‑6043
  • Medicare: Accepts Medicare assignment
  • Group practice: The Southeast Permanente Medical Group
  • Medical school: University Of Alabama School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Walter G. Guthrie, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Walter G. Guthrie accept Medicare assignment?
Yes. Medicare's clinician data says Walter G. Guthrie accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Walter G. Guthrie see?
In 2024, CMS data shows 19 Original Medicare patients and 28 services for Walter G. Guthrie. This counts Original Medicare only and measures volume, not quality.
What is Walter G. Guthrie's NPI number?
1609818541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Walter G. Guthrie, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients19
Services billed to Medicare28
Different services or procedures16
Participating Medicare providerYes
Average age of these patients67

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure68%

Practice locations

Addresses where Walter G. Guthrie is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Walter G. Guthrie as a member of this group (CMS data updated October 2, 2026).

  • The Southeast Permanente Medical Group812 clinicians in the group

Specialties

Find other Gastroenterology doctors in Georgia →

Other gastroenterologists in Atlanta

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

All gastroenterologists in Atlanta →

Other clinicians in The Southeast Permanente Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609818541
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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