Tien Do, PA-C
Physician Assistant · Seattle, WA
Tien Do, PA-C is a physician assistant with a practice address in Seattle, Washington, and NPI 1407374325, issued on Aug 30, 2017. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tien Do
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 4311 11TH Ave NE Ste 200, Seattle, WA 98105
- Phone
- (206) 616-4001
- Enumerated
- Aug 30, 2017
- Record last updated
- Jul 21, 2022
- Fax
- (206) 616-3889
- Medicare enrollment
- Enrolled (PECOS I20190320000317); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 4311 11TH Ave NE Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sierra BerryStudent in an Organized Health Care Education/Training Program1215899745
Verify Tien Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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 physician assistant in 2024
60 Medicare Part D claims for 39 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate17 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $148.52
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Alaska Native Tribal Health ConsortiumAnchorage, AK
- Bristol Bay Area Health CorporationDillingham, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tien Do among 3,718 physician assistant records in Washington
Tien Do, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 58% of them.
- NPI issued2017 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2017 among the 2,460 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
828 physician assistant records list a practice address in Seattle
They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Seattle → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- James Anderson, PA-CSeattle, WA 981051427133768
- Timothy Coglon, P.A.C.Seattle, WA 981051063442440
- Angela D'Appollonio, PA-CSeattle, WA 981051982901617
- Douglas Dedo, PA-C, MCHSSeattle, WA 981051174862890
- Megan Donnelly, PASeattle, WA 981051578815759
- Brendan FinnSeattle, WA 981051194071894
- James Foulsham, PA-CSeattle, WA 981051821004904
- Sara Handschin, PA-CSeattle, WA 981051740472109
Common questions
What is Tien Do, PA-C's NPI number?
Tien Do, PA-C's National Provider Identifier (NPI) is 1407374325, issued on Aug 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tien Do, PA-C located?
The NPPES record lists a practice address at 4311 11TH Ave NE Ste 200, Seattle, WA, 98105. Phone: (206) 616-4001. Providers update this record themselves, so call before visiting.
How can I verify Tien Do, PA-C's license?
Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Tien Do, PA-C prescribe under Medicare Part D?
In 2024, Tien Do, PA-C had 60 Medicare Part D claims for 39 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Tien Do, PA-C's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.