Stephanie Thao Thanh Ngo, MD
Family Medicine Physician · Seattle, WA
Stephanie Thao Thanh Ngo, MD is a family medicine physician with a practice address in Seattle, Washington, and NPI 1861854317, issued on Mar 23, 2016. Check the license (Washington MD60852591, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephanie Thao Thanh Ngo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD60852591 WA
Self-reported in NPPES; status is on the state search - Practice location
- 550 16TH Ave Ste 100, Seattle, WA 98122
- Phone
- (206) 320-2484
- Enumerated
- Mar 23, 2016
- Record last updated
- May 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191202002262); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 550 16TH Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephanie Thao Thanh Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60852591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average family medicine physician in 2024
2,996 Medicare Part D claims for 194 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium376 claims
- Amlodipine Besylate159 claims
- Losartan Potassium155 claims
- Metformin Hcl133 claims
- Alendronate Sodium117 claims
- Lisinopril117 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
- International Community Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Thao Thanh Ngo among 5,534 family medicine physician records in Washington
Stephanie Thao Thanh Ngo, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2009 among the 3,294 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Alto, MD, MPHSeattle, WA 981221962478073
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- Anne Hirsch, ARNPSeattle, WA 981221710972666
- Jane King, M.D.Seattle, WA 981221518956226
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- Monica Mayhill, MDSeattle, WA 981221902858061
- Robert McIntyre, M.D.Seattle, WA 981221689770216
Common questions
What is Stephanie Thao Thanh Ngo, MD's NPI number?
Stephanie Thao Thanh Ngo, MD's National Provider Identifier (NPI) is 1861854317, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Thao Thanh Ngo, MD located?
The NPPES record lists a practice address at 550 16TH Ave Ste 100, Seattle, WA, 98122. Phone: (206) 320-2484. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Thao Thanh Ngo, MD's license?
NPPES lists Washington license number MD60852591, 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 Stephanie Thao Thanh Ngo, MD prescribe under Medicare Part D?
In 2024, Stephanie Thao Thanh Ngo, MD had 2,996 Medicare Part D claims for 194 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.