Thuan Ong, MD, MPH
Geriatric Medicine (Internal Medicine) Physician · Seattle, WA
Thuan Ong, MD, MPH is a geriatric medicine (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1801872635, issued on Dec 22, 2005. Check the license (Washington MD60011516, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Thuan Ong
- Credential
- MD, MPH
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- MD60011516 WA
Self-reported in NPPES; status is on the state search - Practice location
- 325 9TH Ave, Seattle, WA 98104
- Phone
- (206) 744-4191
- Enumerated
- Dec 22, 2005
- Record last updated
- Dec 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (206) 744-8527
- Medicaid ID
- 1801872635 WA
- Medicare enrollment
- Enrolled (PECOS I20090807000204); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 97 in Washington → Look up another NPI →
Also registered at 325 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Noor Aaf, PA-CMedical Physician Assistant1558394171
- Sheida Aalami, M.D.Internal Medicine Physician1730573296
- Collette AbbottHospitalist Physician1306208293
- Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
- Martin Abdo, COUNSELORCounselor1821202904
- Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408
Verify Thuan Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60011516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,348 Medicare Part D claims for 155 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium102 claims
- Levothyroxine Sodium78 claims
- Metoprolol Succinate52 claims
- Amlodipine Besylate46 claims
- Gabapentin40 claims
- Sertraline Hcl36 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thuan Ong among 97 geriatric medicine (internal medicine) physician records in Washington
Thuan Ong, MD, MPH is one of 97 geriatric medicine (internal medicine) physician records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2004 · median 2004 among the 47 with a school on file
- Record last updated2013 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Washington
There are 97 geriatric medicine (internal medicine) physician records in Washington.
All 97 in Washington → Every provider in Seattle → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Itamar Abrass, MDSeattle, WA 981041932266129
- Katherine Bennett, MDSeattle, WA 981041831102581
- John EspinolaSeattle, WA 981041902843519
- Angela Hanson, MDSeattle, WA 981041790895969
- Joe Huang, MDSeattle, WA 981041023209467
- Wayne McCormickSeattle, WA 981041356427074
- Elizabeth PhelanSeattle, WA 981041316023070
- May ReedSeattle, WA 981041700962453
Common questions
What is Thuan Ong, MD, MPH's NPI number?
Thuan Ong, MD, MPH's National Provider Identifier (NPI) is 1801872635, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thuan Ong, MD, MPH located?
The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 744-4191. Providers update this record themselves, so call before visiting.
How can I verify Thuan Ong, MD, MPH's license?
NPPES lists Washington license number MD60011516, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thuan Ong, MD, MPH prescribe under Medicare Part D?
In 2024, Thuan Ong, MD, MPH had 1,348 Medicare Part D claims for 155 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Thuan Ong, MD, MPH's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.