Tun Tun Aung, DO
Rheumatology Physician · Orange, CA
Tun Tun Aung, DO is a rheumatology physician with a practice address in Orange, California, and NPI 1922676824, issued on Jun 16, 2021. Check the license (California 20822849, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tun Tun Aung
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 20822849 CA
2021021078 MO
Self-reported in NPPES; status is on the state search - Practice location
- 333 City Blvd W Ste 400, Orange, CA 92868
- Phone
- (714) 907-6138
- Enumerated
- Jun 16, 2021
- Record last updated
- Jun 26, 2024
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 333 City Blvd W Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tun Tun Aung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20822849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average rheumatology physician in 2024
137 Medicare Part D claims for 32 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Tun Tun Aung among 926 rheumatology physician records in California
Tun Tun Aung, DO is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Orange → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Brian S Andrews, MDOrange, CA 928681609970292
- Caroline BuiOrange, CA 928681821626482
- Ian Chang, D.O.Orange, CA 928681407116411
- Michael Cheng, DOOrange, CA 928681003109513
- Sheetal Desai, MDOrange, CA 928681699966861
- Priyanka Iyer, M.B.B.S, M.P.HOrange, CA 928681245662055
- Behnam Khaleghi, MDOrange, CA 928681154306678
- George Lawry, MDOrange, CA 928681043208994
Common questions
What is Tun Tun Aung, DO's NPI number?
Tun Tun Aung, DO's National Provider Identifier (NPI) is 1922676824, issued on Jun 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Tun Tun Aung, DO located?
The NPPES record lists a practice address at 333 City Blvd W Ste 400, Orange, CA, 92868. Phone: (714) 907-6138. Providers update this record themselves, so call before visiting.
How can I verify Tun Tun Aung, DO's license?
NPPES lists California license number 20822849, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tun Tun Aung, DO prescribe under Medicare Part D?
In 2024, Tun Tun Aung, DO had 137 Medicare Part D claims for 32 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.