Aung Naing Oo, M.D
Internal Medicine Physician · Modesto, CA
Aung Naing Oo, M.D is an internal medicine physician with a practice address in Modesto, California, and NPI 1285983601, issued on Aug 30, 2012. Check the license (California A143686, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aung Naing Oo
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A143686 CA
281526 NY
Self-reported in NPPES; status is on the state search - Practice location
- 600 Coffee RD, Modesto, CA 95355
- Phone
- (209) 524-1211
- Enumerated
- Aug 30, 2012
- Record last updated
- Oct 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161014000553); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 600 Coffee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Aung Naing Oo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,083 Medicare Part D claims for 635 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 973 claims were for opioids.
Most prescribed
- Atorvastatin Calcium677 claims
- Hydrocodone-Acetaminophen574 claims
- Lisinopril427 claims
- Amlodipine Besylate373 claims
- Levothyroxine Sodium295 claims
- Omeprazole277 claims
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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aung Naing Oo among 17,696 internal medicine physician records in California
Aung Naing Oo, M.D is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
129 internal medicine physician records list a practice address in Modesto
They are 129 of the 9,262 NPPES records with a practice address in Modesto, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Modesto → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Edward Auen, PH.D., M.D.Modesto, CA 953551962464602
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- Neal Dunitz, M.D.Modesto, CA 953551245215870
- Maria Go, MDModesto, CA 953551922095132
- Richard Holihan, MDModesto, CA 953551730146184
- Kenneth Hua, MDModesto, CA 953551609824382
- Youhana Jacobs, MDModesto, CA 953551396793717
Common questions
What is Aung Naing Oo, M.D's NPI number?
Aung Naing Oo, M.D's National Provider Identifier (NPI) is 1285983601, issued on Aug 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Aung Naing Oo, M.D located?
The NPPES record lists a practice address at 600 Coffee RD, Modesto, CA, 95355. Phone: (209) 524-1211. Providers update this record themselves, so call before visiting.
How can I verify Aung Naing Oo, M.D's license?
NPPES lists California license number A143686, 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 Aung Naing Oo, M.D prescribe under Medicare Part D?
In 2024, Aung Naing Oo, M.D had 10,083 Medicare Part D claims for 635 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.