NPPES file of Aug 9, 2026

Katherine M. Beltre Espinosa

Physician Assistant · Ontario, CA

Katherine M. Beltre Espinosa is a physician assistant with a practice address in Ontario, California, and NPI 1811765944, issued on Dec 18, 2023. Check the license (California PA64375, 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
1811765944
Name
Katherine M. Beltre Espinosa
Primary taxonomy
Physician Assistant 363A00000X
License number
PA64375 CA
Self-reported in NPPES; status is on the state search
Practice location
437 N Euclid Ave, Ontario, CA 91762
Phone
(800) 607-6377
Enumerated
Dec 18, 2023
Record last updated
Jun 23, 2024
Medicare enrollment
Enrolled (PECOS I20240709001482); accepts 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.
Download card Updates feed

Also registered at 437 N Euclid Ave

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

  1. Debra Blanco, PA-CPhysician Assistant1740372366
  2. Vache Chakmakian, M.D.Family Medicine Physician1316974652
  3. Sujay DayalInternal Medicine Physician1740920966
  4. Hawanatu Fofanah, NPFamily Nurse Practitioner1831561448
  5. Gryan GarciaPsychiatric/Mental Health Nurse Practitioner1578103800
  6. Khan Lau, O.D.Corneal and Contact Management Optometrist1730229345

Verify Katherine M. Beltre Espinosa 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 PA64375
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

73% fewer Medicare Part D claims than the average physician assistant in 2024

222 Medicare Part D claims for 57 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Katherine Beltre Espinosa222
  2. Specialty average830

Most prescribed

  1. Metformin Hcl24 claims
  2. Losartan Potassium12 claims
  3. Atorvastatin Calcium11 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: $185.32

8 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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. Katherine Beltre Espinosa$185.32
  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.

Bills Medicare through one group practice

  1. Unicare Community Health Center, Inc.Ontario, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine M. Beltre Espinosa among 14,451 physician assistant records in California

Katherine M. Beltre Espinosa 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 fileYes · 50% of these records are
  • Graduated2023 · median 2018 among the 7,214 with a school on file
  • Record last updated2024 · 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).

37 physician assistant records list a practice address in Ontario

They are 37 of the 5,375 NPPES records with a practice address in Ontario, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Linden Batiste, PACOntario, CA 917621255613451
  2. Debra Blanco, PA-COntario, CA 917621740372366
  3. Wei Chen-WuOntario, CA 917621063031219
  4. Shawn Chowdhury, P.A.Ontario, CA 917621801830963
  5. Rafael Larios, PACOntario, CA 917621003081415
  6. Tahnee LillyOntario, CA 917621730845280
  7. Emmanuel Sawaya, PA-COntario, CA 917621306074802
  8. Teresa Vu, PA-COntario, CA 917621174342406

Common questions

What is Katherine M. Beltre Espinosa's NPI number?

Katherine M. Beltre Espinosa's National Provider Identifier (NPI) is 1811765944, issued on Dec 18, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Katherine M. Beltre Espinosa located?

The NPPES record lists a practice address at 437 N Euclid Ave, Ontario, CA, 91762. Phone: (800) 607-6377. Providers update this record themselves, so call before visiting.

How can I verify Katherine M. Beltre Espinosa's license?

NPPES lists California license number PA64375, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine M. Beltre Espinosa prescribe under Medicare Part D?

In 2024, Katherine M. Beltre Espinosa had 222 Medicare Part D claims for 57 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.