Joseph Charles Pelej, PA-C
Physician Assistant · San Mateo, CA
Joseph Charles Pelej, PA-C is a physician assistant with a practice address in San Mateo, California, and NPI 1356796239, issued on Apr 28, 2016. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Charles Pelej
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 222 W 39TH Ave, San Mateo, CA 94403
- Phone
- (650) 573-2222
- Enumerated
- Apr 28, 2016
- Record last updated
- Apr 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191114003049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 222 W 39TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shea AndersonClinical Social Worker1689964991
- Zohra Ansari, MSWClinical Social Worker1326462904
Verify Joseph Charles Pelej in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average physician assistant in 2024
225 Medicare Part D claims for 175 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cefuroxime22 claims
- Cephalexin18 claims
- Amoxicillin-Clavulanate Potass16 claims
- Prednisone14 claims
- Doxycycline Hyclate12 claims
- Ondansetron Odt11 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.
Bills Medicare through one group practice
- Overlake Medical Clinics LLCBellevue, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Charles Pelej among 14,451 physician assistant records in California
Joseph Charles Pelej, 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. Its NPI, issued in 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2016 · median 2018 among the 7,214 with a school on file
- Record last updated2016 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Mateo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Karen Ben-Nun, PA-CSan Mateo, CA 944031487833679
- Ariane Bosch, PA-CSan Mateo, CA 944031649753427
- Jessica Chu, PASan Mateo, CA 944031306257167
- Erin DanielSan Mateo, CA 944031578034633
- Joann Deasy, P.A-CSan Mateo, CA 944031821105776
- Kevin Eitel, PA-CSan Mateo, CA 944031811583263
- Maria De La Paz Guzman, P.A-CSan Mateo, CA 944031235246083
- Catherine HickeySan Mateo, CA 944031598232134
Common questions
What is Joseph Charles Pelej, PA-C's NPI number?
Joseph Charles Pelej, PA-C's National Provider Identifier (NPI) is 1356796239, issued on Apr 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Charles Pelej, PA-C located?
The NPPES record lists a practice address at 222 W 39TH Ave, San Mateo, CA, 94403. Phone: (650) 573-2222. Providers update this record themselves, so call before visiting.
How can I verify Joseph Charles Pelej, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Charles Pelej, PA-C prescribe under Medicare Part D?
In 2024, Joseph Charles Pelej, PA-C had 225 Medicare Part D claims for 175 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.