NPPES file of Aug 9, 2026

Katherine Vo, PA-C

Physician Assistant · Tustin, CA

Katherine Vo, PA-C is a physician assistant with a practice address in Tustin, California, and NPI 1174230791, issued on Nov 2, 2022. Check the license (California PA61905, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1174230791
Name
Katherine Vo
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA61905 CA
Self-reported in NPPES; status is on the state search
Practice location
661 W 1St St Ste G, Tustin, CA 92780
Phone
(714) 665-9890
Enumerated
Nov 2, 2022
Record last updated
Feb 4, 2026
Fax
(714) 665-9891
Medicare enrollment
Enrolled (PECOS I20260219001739); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Also registered at 661 W 1St St Ste G

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

  1. Marlie Abrahams, PA-CPhysician Assistant1639409048
  2. Denise Aquino, PA-CPhysician Assistant1750988671
  3. Bernard Bennett, MDInternal Medicine Physician1871568899
  4. Viktoriya Birger, NP-CFamily Nurse Practitioner1720853153
  5. Heather Bonnville, PHYSICIAN ASSISTANTPhysician Assistant1770762429
  6. Robert Borrowdale, M.D.Obstetrics & Gynecology Physician1013958545

Verify Katherine Vo 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 PA61905    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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Katherine Vo among 14,451 physician assistant records in California

Katherine Vo, 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 not. Its NPI, issued in 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2022 · median 2018 among the 7,214 with a school on file
  • Record last updated2026 · 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).

52 physician assistant records list a practice address in Tustin

They are 52 of the 2,221 NPPES records with a practice address in Tustin, and 14,451 physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 14,451 in California → Every provider in Tustin → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Marlie Abrahams, PA-CTustin, CA 927801639409048
  2. Adela Ashraf, PA-CTustin, CA 927801356385215
  3. Heather Bonnville, PHYSICIAN ASSISTANTTustin, CA 927801770762429
  4. Carolyn Calma, P.A.-CTustin, CA 927801427250844
  5. Nicole Farwell, PA-CTustin, CA 927801982726378
  6. Carlos Franco, P.A.Tustin, CA 927801205044492
  7. Edgar Garza, PA-CTustin, CA 927801184980674
  8. Nazema Gosla, PATustin, CA 927801659493674

Common questions

What is Katherine Vo, PA-C's NPI number?

Katherine Vo, PA-C's National Provider Identifier (NPI) is 1174230791, issued on Nov 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Vo, PA-C located?

The NPPES record lists a practice address at 661 W 1St St Ste G, Tustin, CA, 92780. Phone: (714) 665-9890. Providers update this record themselves, so call before visiting.

How can I verify Katherine Vo, PA-C's license?

NPPES lists California license number PA61905, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.