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Internal Medicine

Rudolfo P. Zarate Jr., MD

Sees patients in San Antonio, TX · Texas

Summary

Dr. Rudolfo P. Zarate Jr., MD is an internal medicine doctor at 1200 Brooklyn Ave, Suite 310, San Antonio, TX 78212. Phone: (210) 587-8787. Accepts Medicare assignment. In 2024, Rudolfo P. Zarate Jr. had 423 Original Medicare patients and 1,914 services. NPI 1770589384. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1200 Brooklyn Ave, Suite 310, San Antonio, TX 78212 · Directions
  • Phone: (210) 587‑8787
  • Medicare: Accepts Medicare assignment
  • Group practice: Zarate Medical Group PA
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Rudolfo P. Zarate Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Rudolfo P. Zarate Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Rudolfo P. Zarate Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Rudolfo P. Zarate Jr. see?
In 2024, CMS data shows 423 Original Medicare patients and 1,914 services for Rudolfo P. Zarate Jr.. This counts Original Medicare only and measures volume, not quality.
What is Rudolfo P. Zarate Jr.'s NPI number?
1770589384. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Rudolfo P. Zarate Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients423
Services billed to Medicare1,914
Different services or procedures27
Participating Medicare providerYes
Average age of these patients81

Most frequent services

  1. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)711 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)363 services
  3. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)256 services
  4. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)148 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)89 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Alzheimer's disease or dementia61%
  • Depression50%
  • Diabetes46%
  • Chronic kidney disease44%

Practice locations

Addresses where Rudolfo P. Zarate Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rudolfo P. Zarate Jr. as a member of this group (CMS data updated October 2, 2026).

  • Zarate Medical Group PA2 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All internal medicine doctors in San Antonio →

Other clinicians in Zarate Medical Group PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770589384
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians