Ashley Katherine Nguyentat, PA-C
Physician Assistant · Stanford, CA
Ashley Katherine Nguyentat, PA-C is a physician assistant with a practice address in Stanford, California, and NPI 1215589007, issued on Jul 11, 2019. Check the license (California 60403, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley Katherine Nguyentat
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 60403 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jul 11, 2019
- Record last updated
- Nov 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20221118001647); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Aurora, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cooper Aakhus, MDEmergency Medicine Physician1194351007
- Oliver Aalami, M.D.Vascular Surgery Physician1225229024
- Alistair Aaronson, MDInternal Medicine Physician1457628760
- Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Ashley Katherine Nguyentat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 60403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
25 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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): 76.5 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: $34.72
2 payments; by number, the most common kind was food and beverage; the largest payer was Progenics Pharmaceuticals, 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 one group practice
- City OF Hope Medical FoundationIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Katherine Nguyentat among 14,451 physician assistant records in California
Ashley Katherine Nguyentat, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2019 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 40% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
480 physician assistant records list a practice address in Stanford
They are 480 of the 5,606 NPPES records with a practice address in Stanford, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Stanford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jaclyn Bilello, PA-CStanford, CA 943051285695445
- Deanna Cully, PA-CStanford, CA 943051912967779
- Deborah Espinoza, PA-CStanford, CA 943051558361733
- Lorin Ferguson, PA-CStanford, CA 943051912972340
- John Laurence, PA-CStanford, CA 943051568445070
- David Miller, PA-CStanford, CA 943051538140413
- Irina Penev, PA-CStanford, CA 943051851361646
- Pamela Piacente-Rhodes, PA-CStanford, CA 943051598735227
Common questions
What is Ashley Katherine Nguyentat, PA-C's NPI number?
Ashley Katherine Nguyentat, PA-C's National Provider Identifier (NPI) is 1215589007, issued on Jul 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Katherine Nguyentat, PA-C located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Ashley Katherine Nguyentat, PA-C's license?
NPPES lists California license number 60403, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley Katherine Nguyentat, PA-C prescribe under Medicare Part D?
In 2024, Ashley Katherine Nguyentat, PA-C had 25 Medicare Part D claims for 14 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Ashley Katherine Nguyentat, PA-C's MIPS final score?
The 2023 MIPS final score is 76.5 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), 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.