THOMAS YUN (MD) – Psychiatry Physician, NPI 1245231133

THOMAS YUN (MD) is a healthcare provider. based in Atlanta, Georgia. specializing in PSYCHIATRY, ADDICTION MEDICINE. They hold the professional credentials MD. They hold a License No. A97128 (CA). The NPI Number for THOMAS YUN (MD) is 1245231133

Main info

Male
23 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS YUN (MD)
NPI
1245231133
Phone
(788) 438-6006
Address
424 DECATUR ST SE
Enumeration Date
2 August 2005
Last Update Date
6 November 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
2003 (23 years ago)
PAC ID
3173596921
Group Practice PAC ID
9931191525
Professional Enrollment ID
I20200601001472
Address ID
GA303121848At424XXSEXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness75
Years active:20State licenses:2Digital endpointsOther names

832 PSYCHIATRY in GA

Provider Addresses for THOMAS YUN (MD)

  • 424 DECATUR ST SE

    ATLANTA, GA 303121848

    Phone: (788) 438-6006

    Type: Location

  • San Francisco General Hospital, 1001, Potrero Avenue, San Francisco, California, 94158, United States

    SAN FRANCISCO, CA 94110

    Phone: (415) 206-4585

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $69.

Total Amount is formed as General ($69) + Research ($0) + Ownership ($0) = $69.

Last reported payment date: 2023-08-31 • Largest payer in this snapshot: ABBVIE INC. ($43).

Total Amount

$69

General + Research + Ownership

Payments

3

Total payment records

General Amount

$69

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-31

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ABBVIE INC.$43
Indivior Inc.$26
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2020-06-01

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20200601001472IPsychiatryGATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 30312)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9931191525View full group profile

Reviews

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Frequently asked questions

Is THOMAS YUN (MD) listed with a National Provider Identifier?
Yes — THOMAS YUN (MD) has NPI 1245231133 on file in the registry.
Is THOMAS YUN (MD) shown as active in public data?
Registry records indicate THOMAS YUN (MD) maintains an active NPI.
What area of care is associated with THOMAS YUN (MD)?
THOMAS YUN (MD)'s record emphasizes Psychiatry Physician. Clinical services aligned with this taxonomy classification.
Is THOMAS YUN (MD) located near Atlanta?
THOMAS YUN (MD) currently maps to Atlanta, Georgia in this extract.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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