NPPES file of Aug 9, 2026

Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT

Family Medicine Physician · Vista, CA

Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT is a family medicine physician with a practice address in Vista, California, and NPI 1245232404, issued on Jun 1, 2005. Check the license (California PA17208, as entered in NPPES) on the Medical Board of California; 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
1245232404
Name
Silvia Pacheco Mendoza
Credential
PHYSICIAN ASSISTANT
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
PA17208 CA
Self-reported in NPPES; status is on the state search
Practice location
969 S Santa FE Ave Ste A, Vista, CA 92083
Phone
(760) 941-7050
Enumerated
Jun 1, 2005
Record last updated
Dec 12, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(760) 941-7142
Medicare enrollment
Enrolled (PECOS I20050309000759); 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 969 S Santa FE Ave Ste A

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

  1. Armando Baza-Vargas, PA-CMedical Physician Assistant1922087253
  2. Carolina Homan, PA-CPhysician Assistant1407576275
  3. Carlos Oliva, M.D.General Practice Physician1891882239
  4. Richard Oliva, M.D.Psychiatry Physician1952599938
  5. Diego SalasPhysician Assistant1386372654
  6. Keisy Sanchez, PA-CPhysician Assistant1700507985

Verify Silvia Pacheco Mendoza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license PA17208
    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
Open 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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88% fewer Medicare Part D claims than the average family medicine physician in 2024

414 Medicare Part D claims for 94 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Silvia Mendoza414
  2. Specialty average3,544

Most prescribed

  1. Metformin Hcl31 claims
  2. Atorvastatin Calcium28 claims
  3. Lisinopril26 claims
  4. Omeprazole26 claims
  5. Alendronate Sodium21 claims
  6. Tamsulosin Hcl18 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: $603.17

31 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Silvia Mendoza$603.17
  2. Specialty average$902.55

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. VF Alliance A Medical CorporationVista, CA

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

Silvia Pacheco Mendoza among 17,133 family medicine physician records in California

Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2003 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 family medicine physician records list a practice address in Vista

They are 75 of the 2,017 NPPES records with a practice address in Vista, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Hala Amr, MDVista, CA 920831891700258
  2. Joseph Castrejon, MDVista, CA 920831568486710
  3. Deryien Chen, MDVista, CA 920831902820103
  4. Jonathan Haynes, MDVista, CA 920831255397063
  5. Louis Hogrefe, MDVista, CA 920831841205218
  6. Melissa Hurd, M.D.Vista, CA 920831487643698
  7. Ken Iwaoka, MDVista, CA 920831346263670
  8. Amad Kadry, M.D.Vista, CA 920831396855235

Common questions

What is Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT's NPI number?

Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1245232404, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT located?

The NPPES record lists a practice address at 969 S Santa FE Ave Ste A, Vista, CA, 92083. Phone: (760) 941-7050. Providers update this record themselves, so call before visiting.

How can I verify Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT's license?

NPPES lists California license number PA17208, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT prescribe under Medicare Part D?

In 2024, Silvia Pacheco Mendoza, PHYSICIAN ASSISTANT had 414 Medicare Part D claims for 94 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.