Tien Nguyen, PA-C
Physician Assistant · San Francisco, CA
Tien Nguyen, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1306315502, issued on Nov 16, 2018. Check the license (California 61566, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tien Nguyen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 61566 CA
PA12414 TX
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave # A610, San Francisco, CA 94143
- Phone
- (415) 353-2200
- Enumerated
- Nov 16, 2018
- Entity
- Type 1 · individual
Also registered at 400 Parnassus Ave # A610
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anthony Bella, M.D.Urology Physician1538278569
- Benjamin Breyer, M.D.Urology Physician1316160211
Verify Tien Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 61566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
19% more Medicare Part D claims than the average physician assistant in 2024
991 Medicare Part D claims for 337 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Estradiol168 claims
- Methenamine Hippurate146 claims
- Myrbetriq133 claims
- Gemtesa127 claims
- Tamsulosin Hcl60 claims
- Finasteride33 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 Medicare quality score for 2023: 74.5 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: $105.57
2 payments, mostly food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C.. The 61,144 providers of this specialty with any payment received $853.85 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.
2 hospital and facility affiliations
- Ucsf Medical Group Business ServicesBerkeley, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Physician Assistant providers in California
There are 13,861 physician assistant records in California.
All 13,861 in California → Every provider in San Francisco →
Other physician assistant records in California
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- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
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- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
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Common questions
What is Tien Nguyen, PA-C's NPI number?
Tien Nguyen, PA-C's National Provider Identifier (NPI) is 1306315502, issued on Nov 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Tien Nguyen, PA-C located?
The NPPES record lists a practice address at 400 Parnassus Ave # A610, San Francisco, CA, 94143. Phone: (415) 353-2200. Providers update this record themselves, so call before visiting.
How can I verify Tien Nguyen, PA-C's license?
NPPES lists California license number 61566, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tien Nguyen, PA-C prescribe under Medicare Part D?
In 2024, Tien Nguyen, PA-C had 991 Medicare Part D claims for 337 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
What is Tien Nguyen, PA-C's Medicare quality score?
The 2023 MIPS final score is 74.5 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.