NPPES file of Aug 9, 2026

Oscar Gantes, MD

Family Medicine Physician · Watsonville, CA

Oscar Gantes, MD is a family medicine physician with a practice address in Watsonville, California, and NPI 1346676889, issued on Sep 16, 2013. Check the license (California A129060, 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
1346676889
Name
Oscar Gantes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A129060 CA
Self-reported in NPPES; status is on the state search
Practice location
204 E Beach St, Watsonville, CA 95076
Phone
(831) 728-0222
Enumerated
Sep 16, 2013
Record last updated
Dec 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(831) 707-2777
Medicare enrollment
Enrolled (PECOS I20151118000385); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 204 E Beach St

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

  1. Esmeralda AguileraSocial Worker1124208251
  2. Jenifer Alvarado-Navarrete, ACSW, MSWSocial Worker1659023646
  3. Mercedes Andrade Zepeda, RDHDental Hygienist1114841699
  4. Sri Vinay AtluriGeneral Practice Dentistry1922386192
  5. Melvin Avalos Garcia, RDHDental Hygienist1699262444
  6. Thomas Baglin, D.C.Chiropractor1164533428

Verify Oscar Gantes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A129060
    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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48% more Medicare Part D claims than the average family medicine physician in 2024

5,234 Medicare Part D claims for 875 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 203 claims were for opioids.

  1. Oscar Gantes5,234
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium464 claims
  2. Diclofenac Sodium205 claims
  3. Omeprazole179 claims
  4. Metformin Hcl154 claims
  5. Tramadol Hcl153 claims
  6. Losartan Potassium140 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: $17.69

1 payment: food and beverage; the largest payer was ViiV Healthcare Company. 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. Oscar Gantes$17.69
  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. Providence Medical FoundationSan Clemente, CA

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

Oscar Gantes among 17,133 family medicine physician records in California

Oscar Gantes, MD 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 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2012 · median 2005 among the 10,652 with a school on file
  • Record last updated2020 · 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).

48 family medicine physician records list a practice address in Watsonville

They are 48 of the 1,044 NPPES records with a practice address in Watsonville, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Aleman, MDWatsonville, CA 950761265415376
  2. Tye Depena, M.D.Watsonville, CA 950761467459735
  3. Denise Devereaux, MDWatsonville, CA 950761669452702
  4. James Greenwood, D.O.Watsonville, CA 950761477589281
  5. Anniken Hansen, M.D.Watsonville, CA 950761447273206
  6. Kathryn Harvey, M.D.Watsonville, CA 950761679553556
  7. Carol Haubach, MDWatsonville, CA 950761457378671
  8. Wendy Leonard, MDWatsonville, CA 950761497755508

Common questions

What is Oscar Gantes, MD's NPI number?

Oscar Gantes, MD's National Provider Identifier (NPI) is 1346676889, issued on Sep 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Oscar Gantes, MD located?

The NPPES record lists a practice address at 204 E Beach St, Watsonville, CA, 95076. Phone: (831) 728-0222. Providers update this record themselves, so call before visiting.

How can I verify Oscar Gantes, MD's license?

NPPES lists California license number A129060, 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 Oscar Gantes, MD prescribe under Medicare Part D?

In 2024, Oscar Gantes, MD had 5,234 Medicare Part D claims for 875 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.