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Family Practice

Rodrigo De Zubiria, MD

Sees patients in Atwater, CA · California

Summary

Dr. Rodrigo De Zubiria, MD is a family doctor at 3605 Hospital Rd, Atwater, CA 95301. Phone: (209) 381-2000. Accepts Medicare assignment. In 2024, Rodrigo De Zubiria had 95 Original Medicare patients and 147 services. NPI 1215040563. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 3605 Hospital Rd, Atwater, CA 95301 · Directions
  • Phone: (209) 381‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: Castle Family Health Centers Inc
  • Medical school: University Of California, Irvine, California College Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Rodrigo De Zubiria, 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 Rodrigo De Zubiria accept Medicare assignment?
Yes. Medicare's clinician data says Rodrigo De Zubiria 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 Rodrigo De Zubiria see?
In 2024, CMS data shows 95 Original Medicare patients and 147 services for Rodrigo De Zubiria. This counts Original Medicare only and measures volume, not quality.
What is Rodrigo De Zubiria's NPI number?
1215040563. 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 Rodrigo De Zubiria, 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 patients95
Services billed to Medicare147
Different services or procedures13
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)83 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)14 services
  3. Automated urinalysis test (81003)12 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 cholesterol68%
  • Arthritis44%
  • Diabetes43%
  • Ischemic heart disease21%
  • Chronic kidney disease21%

Practice locations

Addresses where Rodrigo De Zubiria is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rodrigo De Zubiria as a member of this group (CMS data updated October 2, 2026).

  • Castle Family Health Centers Inc5 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Atwater

Clinicians with the same Medicare primary specialty in Atwater, CA — not a recommendation.

All family doctors in Atwater →

Other clinicians in Castle Family Health Centers Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215040563
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