THOMAS YUN MD
NPI 1245231133
Psychiatry & Neurology - Psychiatry in Atlanta, GA

Q: What is Thomas Yun's NPI number?

The NPI number for Thomas Yun is 1245231133. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Q: What is Thomas Yun's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Yun was last updated on November 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 02, 2005PECOS EnrolledAccepts Medicare Assignment

424 DECATUR ST SE, ATLANTA, GA 30312(788) 438-6006 Get Directions Write a Review

NPPES record last updated: November 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Thomas Yun Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS YUN MD (NPI 1245231133) is an individual psychiatry provider in Atlanta, Georgia, licensed in Georgia (71040) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1245231133

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameTHOMAS YUNCredential: MD

Location Address424 DECATUR ST SEAtlanta, GA 30312-1848

Mailing Address424 Decatur St SeAtlanta, GA 30312-1848 · (788) 438-6006

Phone(788) 438-6006

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateAugust 2, 2005

Last NPPES UpdateNovember 6, 2023

NPPES CertifiedNovember 6, 2023

✔ NPI 1245231133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in GA · 71040✔ Licensed in CA · A97128

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License A97128 (CA)

424 DECATUR ST SE, Atlanta, GA 30312

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Yun Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173596921

PECOS Enrollment IDI20200601001472

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Thomas Yun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saint Joseph's Mercy Care Services, Inc.

Same address

Federally Qualified Health Center (FQHC)

424 DECATUR ST SE
Atlanta, GA 30312

Reassigned Medicare billing, Georgia enrollment
64 clinicians in this Medicare group

NPI 1285277608 (678) 843-8743

Gwinnett Holistic Psychiatry, LLC

18 mi

Psychiatry

912 KILLIAN HILL RD SW STE 202N
Lilburn, GA 30047

Reassigned Medicare billing, Georgia enrollment

NPI 1003752247 (678) 400-4424

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30312 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$172.43 typical visit price

range $56.84 – $172.43

Typical copayment $43.10 (range $14.21 – $43.10)

Most-billed visit code 99205

Established Patient

$70.85 typical visit price

range $18.22 – $140.40

Typical copayment $17.71 (range $4.55 – $35.10)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. ASTRID ROZO-RIVERA F-NP

Nurse Practitioner (Family)