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Diagnostic Radiology

Javier Villanueva-Meyer, MD

Works at hospitals in San Francisco, CA · California

Summary

Dr. Javier Villanueva-Meyer, MD is a radiologist at 1600 Divisadero St, McB302, San Francisco, CA 94115. Phone: (415) 476-1000. Accepts Medicare assignment. In 2024, Javier Villanueva-Meyer had 772 Original Medicare patients and 3,065 services. NPI 1215227368. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1600 Divisadero St, McB302, San Francisco, CA 94115 · Directions (5 more locations)
  • Phone: (415) 476‑1000
  • Medicare: Accepts Medicare assignment
  • Hospitals: UCSF Health Stanyan Hospital, UCSF Medical Center
  • Group practice: University of California San Francisco (+1 more)
  • Medical school: Baylor College Of Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Javier Villanueva-Meyer, 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 Javier Villanueva-Meyer accept Medicare assignment?
Yes. Medicare's clinician data says Javier Villanueva-Meyer 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 Javier Villanueva-Meyer see?
In 2024, CMS data shows 772 Original Medicare patients and 3,065 services for Javier Villanueva-Meyer. This counts Original Medicare only and measures volume, not quality.
What is Javier Villanueva-Meyer's NPI number?
1215227368. 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 Javier Villanueva-Meyer, 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 patients772
Services billed to Medicare3,065
Different services or procedures82
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Mri scan of brain before and after contrast (70553)334 services
  2. Ct scan head or brain without contrast (70450)119 services
  3. Mri scan of brain without contrast (70551)77 services
  4. Ct scan of blood vessels of head with contrast (70496)43 services
  5. Ct scan of upper spine without contrast (72125)42 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 cholesterol70%
  • High blood pressure67%
  • Arthritis44%
  • Depression30%
  • Anxiety28%
  • Diabetes26%

Hospitals where Javier Villanueva-Meyer works

Medicare's Facility Affiliation Data lists Javier Villanueva-Meyer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Javier Villanueva-Meyer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Javier Villanueva-Meyer as a member of these groups (CMS data updated October 2, 2026).

  • University of California San Francisco1,839 clinicians in the group
  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in San Francisco

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

All radiologists in San Francisco →

Other clinicians in University of California San Francisco

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

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215227368
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians