Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Infectious Disease

Gustavo Velasquez, MD

Works at hospitals in San Francisco, CA · California

Summary

Dr. Gustavo Velasquez, MD is an infectious disease doctor at 1001 Potrero Ave, San Francisco, CA 94110. Phone: (415) 206-2305. Accepts Medicare assignment. In 2024, Gustavo Velasquez had 19 Original Medicare patients and 28 services. NPI 1932337193. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 1001 Potrero Ave, San Francisco, CA 94110 · Directions (1 more location)
  • Phone: (415) 206‑2305
  • Medicare: Accepts Medicare assignment
  • Hospital: Zuckerberg San Francisco General Hospital & Trauma Center
  • Group practice: University of California SFGH Medical Group (+1 more)
  • Medical school: Northwestern University Feinberg Medical School · graduated 2009 (17 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gustavo Velasquez, 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 Gustavo Velasquez accept Medicare assignment?
Yes. Medicare's clinician data says Gustavo Velasquez 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 Gustavo Velasquez see?
In 2024, CMS data shows 19 Original Medicare patients and 28 services for Gustavo Velasquez. This counts Original Medicare only and measures volume, not quality.
What is Gustavo Velasquez's NPI number?
1932337193. 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 Gustavo Velasquez, 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 patients19
Services billed to Medicare28
Different services or procedures5
Participating Medicare providerYes
Average age of these patients72

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 pressure74%
  • Chronic kidney disease68%
  • High cholesterol63%
  • Heart failure58%

Hospitals where Gustavo Velasquez works

Medicare's Facility Affiliation Data lists Gustavo Velasquez 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 Gustavo Velasquez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gustavo Velasquez as a member of these groups (CMS data updated October 2, 2026).

  • University of California SFGH Medical Group587 clinicians in the group
  • City and County of San Francisco365 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in San Francisco

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

All infectious disease doctors in San Francisco →

Other clinicians in University of California SFGH Medical Group

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

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932337193
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