NPPES file of Aug 9, 2026

Michelle Liu, PA

Physician Assistant · Castro Valley, CA

Michelle Liu, PA is a physician assistant with a practice address in Castro Valley, California, and NPI 1295431088, issued on Feb 2, 2023. Check the license (California PA62452, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295431088
Name
Michelle Liu
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA62452 CA
Self-reported in NPPES; status is on the state search
Practice location
20700 Lake Chabot RD Ste 107, Castro Valley, CA 94546
Phone
(510) 886-5515
Enumerated
Feb 2, 2023
Record last updated
Mar 28, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20700 Lake Chabot RD Ste 107

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amer Budayr, MDEndocrinology, Diabetes & Metabolism Physician1700958451

Verify Michelle Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA62452
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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57% more Medicare Part D claims than the average physician assistant in 2024

1,303 Medicare Part D claims for 395 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Michelle Liu1,303
  2. Specialty average830

Most prescribed

  1. Amlodipine Besylate117 claims
  2. Atorvastatin Calcium102 claims
  3. Losartan Potassium73 claims
  4. Lisinopril52 claims
  5. Jardiance46 claims
  6. Levothyroxine Sodium44 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: $370.96

11 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.

  1. Michelle Liu$370.96
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Michelle Liu among 14,451 physician assistant records in California

Michelle Liu, PA 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 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 13% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • 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).

28 physician assistant records list a practice address in Castro Valley

They are 28 of the 999 NPPES records with a practice address in Castro Valley, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Eric Bellfort, PACastro Valley, CA 945461073504403
  2. Cherie Clark, PA-CCastro Valley, CA 945461780992560
  3. Barry Clements, PA-CCastro Valley, CA 945461952392177
  4. Melissa Goralka, PACastro Valley, CA 945461891878740
  5. Jasmine Halloran, PACCastro Valley, CA 945461124090162
  6. Patti Hee, PA-CCastro Valley, CA 945461851439145
  7. Isaac Ibrahimi, PA-CCastro Valley, CA 945461588735849
  8. Shalini Jeyakumar, MPA, RPA-CCastro Valley, CA 945461801119995

Common questions

What is Michelle Liu, PA's NPI number?

Michelle Liu, PA's National Provider Identifier (NPI) is 1295431088, issued on Feb 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Liu, PA located?

The NPPES record lists a practice address at 20700 Lake Chabot RD Ste 107, Castro Valley, CA, 94546. Phone: (510) 886-5515. Providers update this record themselves, so call before visiting.

How can I verify Michelle Liu, PA's license?

NPPES lists California license number PA62452, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Michelle Liu, PA prescribe under Medicare Part D?

In 2024, Michelle Liu, PA had 1,303 Medicare Part D claims for 395 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.