NPPES file of Aug 9, 2026

Jocelyn Villanueva Zarate, M.D.

Internal Medicine Physician · San Antonio, TX

Jocelyn Villanueva Zarate, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1427054055, issued on Jun 28, 2005. Check the license (Texas M3123, as entered in NPPES) on the Texas Medical Board; 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
1427054055
Name
Jocelyn Villanueva Zarate
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
M3123 TX
35-07-9365 OH
Self-reported in NPPES; status is on the state search
Practice location
1200 Brooklyn Ave Ste 310, San Antonio, TX 78212
Phone
(210) 587-8787
Enumerated
Jun 28, 2005
Record last updated
Oct 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(210) 388-0239
Medicaid IDs
1791261-01 TX
2288019 OH
Medicare enrollment
Enrolled (PECOS I20060224000599); 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 1200 Brooklyn Ave Ste 310

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

  1. Rudolfo Zarate, M.D.Internal Medicine Physician1770589384

Verify Jocelyn Villanueva Zarate in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M3123
    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 Texas 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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,060 Medicare Part D claims for 342 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 202 claims were for opioids.

  1. Jocelyn Zarate7,060
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium281 claims
  2. Levothyroxine Sodium266 claims
  3. Gabapentin186 claims
  4. Trazodone Hcl167 claims
  5. Escitalopram Oxalate149 claims
  6. Furosemide146 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: $504.93

27 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jocelyn Zarate$504.93
  2. Specialty average$1,303.06

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. Zarate Medical Group PASan Antonio, TX

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

Jocelyn Villanueva Zarate among 9,175 internal medicine physician records in Texas

Jocelyn Villanueva Zarate, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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, 91% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1998 · median 2004 among the 6,088 with a school on file
  • Record last updated2020 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

657 internal medicine physician records list a practice address in San Antonio

They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Anes, M DSan Antonio, TX 782121811981350
  2. Robert Borrego, MDSan Antonio, TX 782121700872439
  3. Mark Isaeff, M.D.San Antonio, TX 782121104815075
  4. Alexis Miles, MDSan Antonio, TX 782121881663557
  5. Jaime Moreno, MDSan Antonio, TX 782121144281478
  6. Aris Nikas, M.D.San Antonio, TX 782121093781890
  7. Joel Pena, MDSan Antonio, TX 782121588653455
  8. Enrique Perez-Rodriguez, MDSan Antonio, TX 782121174571434

Common questions

What is Jocelyn Villanueva Zarate, M.D.'s NPI number?

Jocelyn Villanueva Zarate, M.D.'s National Provider Identifier (NPI) is 1427054055, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jocelyn Villanueva Zarate, M.D. located?

The NPPES record lists a practice address at 1200 Brooklyn Ave Ste 310, San Antonio, TX, 78212. Phone: (210) 587-8787. Providers update this record themselves, so call before visiting.

How can I verify Jocelyn Villanueva Zarate, M.D.'s license?

NPPES lists Texas license number M3123, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jocelyn Villanueva Zarate, M.D. prescribe under Medicare Part D?

In 2024, Jocelyn Villanueva Zarate, M.D. had 7,060 Medicare Part D claims for 342 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.