Quick answers
- Where does Thomas M. Yun see patients?
- Medicare's clinician data lists 1 practice location in Atlanta, GA. Call before your visit to confirm the address.
- What is Thomas M. Yun's specialty?
- Medicare lists Psychiatry as the primary specialty, and also Addiction Medicine.
- Does Thomas M. Yun accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas M. Yun 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 Thomas M. Yun's NPI number?
- 1245231133. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Thomas M. Yun is enrolled with Medicare (CMS data updated 2026-10-02).
- 424 Decatur St SEAtlanta, GA 30312
Group practices
Medicare enrollment lists Thomas M. Yun as a member of this group (CMS data updated 2026-10-02).
- Saint Joseph's Mercy Care Services Inc23 clinicians in the group
Specialties
- Psychiatryprimary
- Addiction Medicinealso
Other psychiatrists in Atlanta
Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245231133 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians