NPPES file of Aug 9, 2026

Mariela Sarai Holguin

Physician Assistant · Vallejo, CA

Mariela Sarai Holguin is a physician assistant with a practice address in Vallejo, California, and NPI 1588239560, issued on May 23, 2021. Check the license (California PA63287, 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
1588239560
Name
Mariela Sarai Holguin
Primary taxonomy
Physician Assistant 363A00000X
License number
PA63287 CA
Self-reported in NPPES; status is on the state search
Practice location
1310 Club Dr, Vallejo, CA 94592
Phone
(707) 638-5809
Enumerated
May 23, 2021
Record last updated
Dec 18, 2023
Medicare enrollment
Enrolled (PECOS I20240117002642); 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 1310 Club Dr

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

  1. Ovanes AbramyanStudent in an Organized Health Care Education/Training Program1396495594
  2. Claudia AguirrePhysician Assistant1134991516
  3. Jasmine AhdoutPhysician Assistant1619704632
  4. Sofia AhmadzaiPhysician Assistant1295552214
  5. Veronica Alcaraz-ReyesNutrition Education Nutritionist1407703259
  6. Michelle AlderetePhysician Assistant1740855584

Verify Mariela Sarai Holguin 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 PA63287
    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

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83% fewer Medicare Part D claims than the average physician assistant in 2024

140 Medicare Part D claims for 95 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Mariela Holguin140
  2. Specialty average830

Most prescribed

  1. Cephalexin16 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: $43.51

2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. 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. Mariela Holguin$43.51
  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. Advanced Radiology And Interventional Associates IncStockton, CA

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

215 physician assistant records list a practice address in Vallejo

They are 215 of the 2,836 NPPES records with a practice address in Vallejo, and 14,451 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Mariela Sarai Holguin's NPI number?

Mariela Sarai Holguin's National Provider Identifier (NPI) is 1588239560, issued on May 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mariela Sarai Holguin located?

The NPPES record lists a practice address at 1310 Club Dr, Vallejo, CA, 94592. Phone: (707) 638-5809. Providers update this record themselves, so call before visiting.

How can I verify Mariela Sarai Holguin's license?

NPPES lists California license number PA63287, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mariela Sarai Holguin prescribe under Medicare Part D?

In 2024, Mariela Sarai Holguin had 140 Medicare Part D claims for 95 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.