Oanh K. Nguyen, DO
Neurology Physician · Tacoma, WA
Oanh K. Nguyen, DO is a neurology physician with a practice address in Tacoma, Washington, and NPI 1568691251, issued on Jul 2, 2009. Check the license (Washington OP60480468, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Oanh K. Nguyen
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- OP60480468 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1608 S J St FL 5, Tacoma, WA 98405
- Phone
- (253) 274-7505
- Enumerated
- Jul 2, 2009
- Record last updated
- Dec 18, 2022
- Medicaid ID
- 2039349 WA
- Medicare enrollment
- Enrolled (PECOS I20141204001927); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 489 in Washington → Look up another NPI →
Also registered at 1608 S J St FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bernard Baduria, MA, CCC-AAudiologist1033167523
- Joseph Duong, MDNeurology Physician1942681838
- Kara Ellingson, MDNeurology Physician1659809622
- Jay Erickson, M.D.Neurology Physician1114990587
- Lorin Freedman, MDNeurology Physician1467409920
- Yelena Golub, PA-CMedical Physician Assistant1316330756
Verify Oanh K. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60480468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average neurology physician in 2024
1,253 Medicare Part D claims for 157 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Memantine Hcl134 claims
- Levetiracetam105 claims
- Sumatriptan Succinate79 claims
- Gabapentin67 claims
- Lamotrigine61 claims
- Aimovig Autoinjector50 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
- Franciscan Medical GroupTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oanh K. Nguyen among 489 neurology physician records in Washington
Oanh K. Nguyen, DO is one of 489 neurology physician records with a practice address in Washington. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 55% of them.
- NPI issued2009 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2007 among the 351 with a school on file
- Record last updated2022 · 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 2084N0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Washington
There are 489 neurology physician records in Washington.
All 489 in Washington → Every provider in Tacoma → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Jay Erickson, M.D.Tacoma, WA 984051114990587
- Lorin Freedman, MDTacoma, WA 984051467409920
- James Griffith, MDTacoma, WA 984051073518239
- Colin Iosso, MDTacoma, WA 984051538137484
- Sarah Kranick, MDTacoma, WA 984051447315601
- W. Kushner, D.O.Tacoma, WA 984051811049133
- Peter Kwon, MDTacoma, WA 984051043217920
- William Overfield, MDTacoma, WA 984051952308074
Common questions
What is Oanh K. Nguyen, DO's NPI number?
Oanh K. Nguyen, DO's National Provider Identifier (NPI) is 1568691251, issued on Jul 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Oanh K. Nguyen, DO located?
The NPPES record lists a practice address at 1608 S J St FL 5, Tacoma, WA, 98405. Phone: (253) 274-7505. Providers update this record themselves, so call before visiting.
How can I verify Oanh K. Nguyen, DO's license?
NPPES lists Washington license number OP60480468, 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 Oanh K. Nguyen, DO prescribe under Medicare Part D?
In 2024, Oanh K. Nguyen, DO had 1,253 Medicare Part D claims for 157 beneficiaries; the average among neurology physician prescribers was 1,370. 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.