Stephanie Thuy Trinh Pham, PA-C
Physician Assistant · Palo Alto, CA
Stephanie Thuy Trinh Pham, PA-C is a physician assistant with a practice address in Palo Alto, California, and NPI 1144819368, issued on Jan 12, 2021. Check the license (California 59164, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Thuy Trinh Pham
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 59164 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Pasteur Dr, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- Jan 12, 2021
- Record last updated
- Feb 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20220201002119); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 500 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephanie Thuy Trinh Pham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59164Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average physician assistant in 2024
211 Medicare Part D claims for 47 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 24 claims were for opioids.
Most prescribed
- Furosemide28 claims
- Potassium Chloride24 claims
- Oxycodone Hcl22 claims
- Pantoprazole Sodium18 claims
- Metoprolol Tartrate17 claims
- Amiodarone Hcl12 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.
Industry payments in 2024: $502.68
5 payments; by number, the most common kind was food and beverage; the largest payer was Kestra Medical Technology Services, 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.
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Stephanie Thuy Trinh Pham among 14,451 physician assistant records in California
Stephanie Thuy Trinh Pham, 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2021 · 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).
155 physician assistant records list a practice address in Palo Alto
They are 155 of the 7,617 NPPES records with a practice address in Palo Alto, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Palo Alto → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tracy Berggren, PA-CPalo Alto, CA 943041407018468
- Camille Bloom, PA-CPalo Alto, CA 943041558670588
- Emily Dong, PA-CPalo Alto, CA 943041376853622
- Rosanna Duester, PA-CPalo Alto, CA 943041225280159
- Erin Frawley, PAPalo Alto, CA 943041942452149
- Jacqueline Julty, PA-CPalo Alto, CA 943041184759649
- Clair Kuriakose, PAPalo Alto, CA 943041710141718
- Lynn Maestretti, PA-CPalo Alto, CA 943041710150024
Common questions
What is Stephanie Thuy Trinh Pham, PA-C's NPI number?
Stephanie Thuy Trinh Pham, PA-C's National Provider Identifier (NPI) is 1144819368, issued on Jan 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Thuy Trinh Pham, PA-C located?
The NPPES record lists a practice address at 500 Pasteur Dr, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Thuy Trinh Pham, PA-C's license?
NPPES lists California license number 59164, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie Thuy Trinh Pham, PA-C prescribe under Medicare Part D?
In 2024, Stephanie Thuy Trinh Pham, PA-C had 211 Medicare Part D claims for 47 beneficiaries; the average among physician assistant prescribers was 830. 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.