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Endocrinology

Edward C. Hsiao, MD

Works at hospitals in San Francisco, CA · California

Summary

Dr. Edward C. Hsiao, MD is an endocrinologist at 2330 Post St, San Francisco, CA 94115. Phone: (415) 476-4029. Accepts Medicare assignment. In 2024, Edward C. Hsiao had 51 Original Medicare patients and 89 services. NPI 1750316030. 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: Endocrinologist (Medicare lists Endocrinology)
  • Address: 2330 Post St, San Francisco, CA 94115 · Directions (1 more location)
  • Phone: (415) 476‑4029
  • Medicare: Accepts Medicare assignment
  • Hospital: UCSF Medical Center
  • Group practice: University of California San Francisco (+1 more)
  • Medical school: Johns Hopkins University School Of Medicine · graduated 2001 (25 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 Edward C. Hsiao, 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 Edward C. Hsiao accept Medicare assignment?
Yes. Medicare's clinician data says Edward C. Hsiao 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 Edward C. Hsiao see?
In 2024, CMS data shows 51 Original Medicare patients and 89 services for Edward C. Hsiao. This counts Original Medicare only and measures volume, not quality.
What is Edward C. Hsiao's NPI number?
1750316030. 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 Edward C. Hsiao, 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 patients51
Services billed to Medicare89
Different services or procedures15
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)24 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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 cholesterol75%
  • High blood pressure71%
  • Osteoporosis63%
  • Arthritis53%
  • Chronic kidney disease45%
  • Diabetes43%

Hospitals where Edward C. Hsiao works

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

Group practices

Medicare enrollment lists Edward C. Hsiao as a member of these groups (CMS data updated October 2, 2026).

  • University of California San Francisco1,839 clinicians in the group
  • Regents of the University of California732 clinicians in the group

Specialties

Find other Endocrinology doctors in California →

Other endocrinologists in San Francisco

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

All endocrinologists 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 schoolJohns Hopkins University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750316030
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