NPPES file of Aug 9, 2026

Sharon Margaret Paiz

Physician Assistant · Montclair, CA

Sharon Margaret Paiz is a physician assistant with a practice address in Montclair, California, and NPI 1538846415, issued on Jul 3, 2023. Check the license (California PA63375, 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
1538846415
Name
Sharon Margaret Paiz
Primary taxonomy
Physician Assistant 363A00000X
License number
PA63375 CA
Self-reported in NPPES; status is on the state search
Practice location
5050 San Bernardino St, Montclair, CA 91763
Phone
(909) 281-5800
Enumerated
Jul 3, 2023
Record last updated
May 29, 2024
Medicare enrollment
Enrolled (PECOS I20231214002744); 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.
Download card Updates feed

Also registered at 5050 San Bernardino St

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

  1. Mary Black-Williams, NPWomen's Health Nurse Practitioner1114013026
  2. Justin Delatore, D.OFamily Medicine Physician1376950857
  3. Unique GivensClinical Social Worker1164969853
  4. Sharon Martinez, PAPhysician Assistant1528681368

Verify Sharon Margaret Paiz 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 PA63375
    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.

2.7 times the Medicare Part D claims of the average physician assistant in 2024

2,281 Medicare Part D claims for 245 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 16 claims were for opioids.

  1. Sharon Paiz2,281
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium188 claims
  2. Metformin Hcl175 claims
  3. Lisinopril103 claims
  4. Amlodipine Besylate93 claims
  5. Losartan Potassium80 claims
  6. Ibuprofen79 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: $711.53

33 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. 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. Sharon Paiz$711.53
  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. Health Service AllianceMontclair, CA

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

Sharon Margaret Paiz among 14,451 physician assistant records in California

Sharon Margaret Paiz 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).

15 physician assistant records list a practice address in Montclair

They are 15 of the 1,301 NPPES records with a practice address in Montclair, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Danielle Barrett, PA-CMontclair, CA 917631467821363
  2. Janice BaughmanMontclair, CA 917631548926066
  3. Krystal CamachoMontclair, CA 917631649981721
  4. Kyungsoo Go, PA-CMontclair, CA 917631720514466
  5. Manjot Hundal, PA-CMontclair, CA 917631992301832
  6. Sharon Martinez, PAMontclair, CA 917631528681368
  7. Michelle Matyseck, PAMontclair, CA 917631093115941
  8. Daniel McCulloughMontclair, CA 917631992259071

Common questions

What is Sharon Margaret Paiz's NPI number?

Sharon Margaret Paiz's National Provider Identifier (NPI) is 1538846415, issued on Jul 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sharon Margaret Paiz located?

The NPPES record lists a practice address at 5050 San Bernardino St, Montclair, CA, 91763. Phone: (909) 281-5800. Providers update this record themselves, so call before visiting.

How can I verify Sharon Margaret Paiz's license?

NPPES lists California license number PA63375, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Sharon Margaret Paiz prescribe under Medicare Part D?

In 2024, Sharon Margaret Paiz had 2,281 Medicare Part D claims for 245 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.