NPPES file of Aug 9, 2026

Mary Jane Maun-Viduya, PA

Physician Assistant · Shafter, CA

Mary Jane Maun-Viduya, PA is a physician assistant with a practice address in Shafter, California, and NPI 1962663005, issued on Jun 20, 2008. Check the license (California PA19777, 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
1962663005
Name
Mary Jane Maun-Viduya
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA19777 CA
Self-reported in NPPES; status is on the state search
Practice location
655 S Central Valley Hwy, Shafter, CA 93263
Phone
(661) 746-9194
Enumerated
Jun 20, 2008
Record last updated
Dec 22, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(661) 746-9197
Medicare enrollment
Enrolled (PECOS I20091216000402); 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 655 S Central Valley Hwy

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

  1. Mario Bagallon, RADIOLOGY TECHRadiologic Technologist1578725461
  2. Amanda BilikRegistered Nurse1528593530
  3. Manjot Dhaliwal, PA-CPhysician Assistant1114150703
  4. Amgad Faragalla, D.D.S.General Practice Dentistry1750538062
  5. Trude Frazer, FNPFamily Nurse Practitioner1538118831
  6. Norbert Gal, D.C.Chiropractor1225197627

Verify Mary Jane Maun-Viduya 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 PA19777
    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.

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

1,894 Medicare Part D claims for 119 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 59 claims were for opioids.

  1. Mary Maun-Viduya1,894
  2. Specialty average830

Most prescribed

  1. Metformin Hcl97 claims
  2. Lisinopril95 claims
  3. Atorvastatin Calcium65 claims
  4. Hydrochlorothiazide62 claims
  5. Levothyroxine Sodium59 claims
  6. Hydralazine Hcl53 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: $580.82

17 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Mary Maun-Viduya$580.82
  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. Vanguard Medical CorporationShafter, CA

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

Mary Jane Maun-Viduya among 14,451 physician assistant records in California

Mary Jane Maun-Viduya, 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 2008, is newer than 22% of them.

  • NPI issued2008 · 22% of these records are older, 75% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2008 · median 2018 among the 7,214 with a school on file
  • Record last updated2011 · 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).

6 physician assistant records list a practice address in Shafter

They are 6 of the 89 NPPES records with a practice address in Shafter, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Nathan Allen, P.A.Shafter, CA 932631366746547
  2. Manjot Dhaliwal, PA-CShafter, CA 932631114150703
  3. James Fuller, PAShafter, CA 932631942229281
  4. Shimeaka Hodges, PA-CShafter, CA 932631114236098
  5. Hung Pham, PAShafter, CA 932631760765085
  6. Juan Alarcon Medina, PA-CPorterville, CA 932571720727225
  7. Wendmnew Ayalew, PA-CPorterville, CA 932571346738721
  8. David Belnap, PAPorterville, CA 932571760175426

Common questions

What is Mary Jane Maun-Viduya, PA's NPI number?

Mary Jane Maun-Viduya, PA's National Provider Identifier (NPI) is 1962663005, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mary Jane Maun-Viduya, PA located?

The NPPES record lists a practice address at 655 S Central Valley Hwy, Shafter, CA, 93263. Phone: (661) 746-9194. Providers update this record themselves, so call before visiting.

How can I verify Mary Jane Maun-Viduya, PA's license?

NPPES lists California license number PA19777, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Jane Maun-Viduya, PA prescribe under Medicare Part D?

In 2024, Mary Jane Maun-Viduya, PA had 1,894 Medicare Part D claims for 119 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.