Ephraim Litonjua Sanmiguel, P.A.C
Physician Assistant · Ontario, CA
Ephraim Litonjua Sanmiguel, P.A.C is a physician assistant with a practice address in Ontario, California, and NPI 1871712034, issued on Apr 25, 2007. Check the license (California PA13252, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ephraim Litonjua Sanmiguel
- Credential
- P.A.C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA13252 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2295 S Vineyard Ave, Ontario, CA 91761
- Phone
- (888) 750-0036
- Enumerated
- Apr 25, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (909) 264-2266
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2295 S Vineyard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Leonila Araneta, LCSWClinical Social Worker1861771974
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Verify Ephraim Litonjua Sanmiguel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA13252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average physician assistant in 2024
748 Medicare Part D claims for 417 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Prednisone62 claims
- Doxycycline Monohydrate36 claims
- Amlodipine Besylate27 claims
- Cephalexin26 claims
- Meloxicam24 claims
- Azithromycin21 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.
Ephraim Litonjua Sanmiguel among 14,451 physician assistant records in California
Ephraim Litonjua Sanmiguel, P.A.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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 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.
All 14,451 in California → Every provider in Ontario → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kevin BellOntario, CA 917611497159818
- Lauren BoldaOntario, CA 917611497286082
- Charmaine Collins-Cepeda, PA-COntario, CA 917611801054820
- Carly Erard, PAOntario, CA 917611205087699
- Marcus Harris, P.A-COntario, CA 917611134144876
- Sepideh Homayoni, PA-COntario, CA 917611003357955
- Carol Kwak, PA-COntario, CA 917611891303293
- Robert PedrozaOntario, CA 917611821832551
Common questions
What is Ephraim Litonjua Sanmiguel, P.A.C's NPI number?
Ephraim Litonjua Sanmiguel, P.A.C's National Provider Identifier (NPI) is 1871712034, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ephraim Litonjua Sanmiguel, P.A.C located?
The NPPES record lists a practice address at 2295 S Vineyard Ave, Ontario, CA, 91761. Phone: (888) 750-0036. Providers update this record themselves, so call before visiting.
How can I verify Ephraim Litonjua Sanmiguel, P.A.C's license?
NPPES lists California license number PA13252, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ephraim Litonjua Sanmiguel, P.A.C prescribe under Medicare Part D?
In 2024, Ephraim Litonjua Sanmiguel, P.A.C had 748 Medicare Part D claims for 417 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.