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Orthopedic Surgery

Sean L. Gao, DO

Sees patients in Irwindale, CA · California

Summary

Dr. Sean L. Gao, DO is an orthopedic surgeon at 5345 Irwindale Ave, Irwindale, CA 91706. Phone: (626) 960-5361. Accepts Medicare assignment. In 2024, Sean L. Gao had 33 Original Medicare patients and 142 services. NPI 1063944270. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 5345 Irwindale Ave, Irwindale, CA 91706 · Directions
  • Phone: (626) 960‑5361
  • Medicare: Accepts Medicare assignment
  • Group practice: Healthpointe Medical Group, Inc.
  • Medical school: Marian University College Of Osteopathic Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sean L. Gao, 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 Sean L. Gao accept Medicare assignment?
Yes. Medicare's clinician data says Sean L. Gao 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 Sean L. Gao see?
In 2024, CMS data shows 33 Original Medicare patients and 142 services for Sean L. Gao. This counts Original Medicare only and measures volume, not quality.
What is Sean L. Gao's NPI number?
1063944270. 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 Sean L. Gao, 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 patients33
Services billed to Medicare142
Different services or procedures35
Participating Medicare providerYes
Average age of these patients74

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)19 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%
  • Arthritis75%
  • Diabetes55%
  • Depression42%
  • Ischemic heart disease39%

Practice locations

Addresses where Sean L. Gao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sean L. Gao as a member of this group (CMS data updated October 2, 2026).

  • Healthpointe Medical Group, Inc.35 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All orthopedic surgeons in California →

Other clinicians in Healthpointe Medical Group, Inc.

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

Clinician information

CredentialDO
Medical schoolMarian University College Of Osteopathic Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063944270
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