Hayley Do
Physician Assistant · San Jose, CA
Hayley Do is a physician assistant with a practice address in San Jose, California, and NPI 1902455272, issued on Sep 9, 2019. Check the license (California 57892, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hayley Do
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 57892 CA
Self-reported in NPPES; status is on the state search - Practice location
- 746 The Alameda Ste 10, San Jose, CA 95126
- Phone
- (888) 663-6331
- Enumerated
- Sep 9, 2019
- Record last updated
- Oct 2, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20200424000642); accepts Medicare assignment
- 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 746 The Alameda Ste 10
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Geraldin Romis, NP-C, RN, PA-CNurse Practitioner1053819961
- Yousuf Shamsie, DOFamily Medicine Physician1265969638
- Allan Tang, MDFamily Medicine Physician1245980200
Verify Hayley Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average physician assistant in 2024
2,099 Medicare Part D claims for 399 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Fluticasone Propionate107 claims
- Atorvastatin Calcium105 claims
- Gabapentin64 claims
- Omeprazole61 claims
- Levothyroxine Sodium58 claims
- Losartan Potassium55 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: $1,879.56
76 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- One Medical Group IncSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hayley Do among 14,451 physician assistant records in California
Hayley Do 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 updated2025 · 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).
221 physician assistant records list a practice address in San Jose
They are 221 of the 20,925 NPPES records with a practice address in San Jose, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Jose → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kellianne CraigSan Jose, CA 951261386041960
- Mara Hainor, PA-CSan Jose, CA 951261104146836
- Katherine Michelfelder, PASan Jose, CA 951261669192290
- Daniel Ngo, PA-CSan Jose, CA 951261649153396
- Jasmine NikzaiSan Jose, CA 951261881243657
- Khushali Patel, PA-CSan Jose, CA 951261740922251
- Judith Peto, PA-CSan Jose, CA 951261760702989
- Liane Christine Tongol, PA-CSan Jose, CA 951261447817309
Common questions
What is Hayley Do's NPI number?
Hayley Do's National Provider Identifier (NPI) is 1902455272, issued on Sep 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Hayley Do located?
The NPPES record lists a practice address at 746 The Alameda Ste 10, San Jose, CA, 95126. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Hayley Do's license?
NPPES lists California license number 57892, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hayley Do prescribe under Medicare Part D?
In 2024, Hayley Do had 2,099 Medicare Part D claims for 399 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.