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Internal Medicine

Kay O. Oso, MD

Sees patients in Atlanta, GA · Georgia

Summary

Dr. Kay O. Oso, MD is an internal medicine doctor at 3890 Redwine Rd SW, Suite 210, Atlanta, GA 30331. Phone: (404) 691-6688. Accepts Medicare assignment. In 2024, Kay O. Oso had 15 Original Medicare patients and 36 services. NPI 1497898662. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3890 Redwine Rd SW, Suite 210, Atlanta, GA 30331 · Directions
  • Phone: (404) 691‑6688
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kay O. Oso, 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 Kay O. Oso accept Medicare assignment?
Yes. Medicare's clinician data says Kay O. Oso 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 Kay O. Oso see?
In 2024, CMS data shows 15 Original Medicare patients and 36 services for Kay O. Oso. This counts Original Medicare only and measures volume, not quality.
What is Kay O. Oso's NPI number?
1497898662. 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 Kay O. Oso, 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 patients15
Services billed to Medicare36
Different services or procedures8
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 services

Practice locations

Addresses where Kay O. Oso is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Georgia →

Other internal medicine doctors in Atlanta

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

All internal medicine doctors in Atlanta →

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497898662
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