NPPES file of Aug 9, 2026

Mariam Medhat Sorial, PA

Physician Assistant · Rialto, CA

Mariam Medhat Sorial, PA is a physician assistant with a practice address in Rialto, California, and NPI 1972288496, issued on Jun 21, 2023. Check the license 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972288496
Name
Mariam Medhat Sorial
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1851 N Riverside Ave, Rialto, CA 92376
Phone
(909) 421-2700
Enumerated
Jun 21, 2023
Record last updated
Jan 8, 2026
Medicare enrollment
Enrolled (PECOS I20250205001887); 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.
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Also registered at 1851 N Riverside Ave

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

  1. Olga Adan, M.D.Pediatrics Physician1447206073
  2. Natasha Alexander, MDInternal Medicine Physician1255615530
  3. Sophia Beyene, DOFamily Medicine Physician1861454993
  4. Adrienne Burn, FNPFamily Nurse Practitioner1700160546
  5. Camille Chano, MDFamily Medicine Physician1083029425
  6. Linnea Chaves, RN FNPFamily Nurse Practitioner1992115018

Verify Mariam Medhat Sorial in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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Bills Medicare through one group practice

  1. Pinnacle Medical Group IncRialto, CA

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

Mariam Medhat Sorial among 14,451 physician assistant records in California

Mariam Medhat Sorial, 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 fileYes · 50% of these records are
  • Graduated2024 · 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).

17 physician assistant records list a practice address in Rialto

They are 17 of the 1,044 NPPES records with a practice address in Rialto, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Michael Alvarez, PA-CRialto, CA 923761922811207
  2. Adair Buckner, PHYSICIAN ASSISTANTRialto, CA 923761912198201
  3. Luis Buenrostro Martinez, MARialto, CA 923761164213252
  4. Grace Buonavita, PACRialto, CA 923761396805479
  5. Martha Colunga, PA-CRialto, CA 923761588787055
  6. Hilda Mancilla, PA-CRialto, CA 923761932310067
  7. Kristen Martini, PA-CRialto, CA 923761669326203
  8. Shannon MezaRialto, CA 923761942670856

Common questions

What is Mariam Medhat Sorial, PA's NPI number?

Mariam Medhat Sorial, PA's National Provider Identifier (NPI) is 1972288496, issued on Jun 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mariam Medhat Sorial, PA located?

The NPPES record lists a practice address at 1851 N Riverside Ave, Rialto, CA, 92376. Phone: (909) 421-2700. Providers update this record themselves, so call before visiting.

How can I verify Mariam Medhat Sorial, PA's license?

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. 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.