Sean Gao
Orthopaedic Surgery Physician · San Diego, CA
Sean Gao is an orthopaedic surgery physician with a practice address in San Diego, California, and NPI 1063944270, issued on Mar 28, 2017. Check the license (California 20A19358, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sean Gao
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 20A19358 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4445 Eastgate Mall Ste 105, San Diego, CA 92121
- Phone
- (858) 412-6080
- Enumerated
- Mar 28, 2017
- Record last updated
- Aug 9, 2022
- Medicare enrollment
- Enrolled (PECOS I20220614002348); accepts Medicare assignment
- Medical or professional school
- Marian University College Of Osteopathic Medicine, 2017
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 4445 Eastgate Mall Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer DulmesOccupational Therapist1447679758
- Michael LundstromOccupational Therapist1598185571
- Alexander MirthPhysical Therapist1588537757
- Michael Pomerantz, MDOrthopaedic Hand Surgery Physician1356505705
- Josiah Valk, DOOrthopaedic Surgery Physician1619534963
Verify Sean Gao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
115 Medicare Part D claims for 40 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Baclofen23 claims
- Furosemide15 claims
- Meloxicam11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,210.29
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthpointe Medical Group, Inc.Irwindale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Gao among 2,276 orthopaedic surgery physician records in California
Sean Gao is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2003 among the 1,347 with a school on file
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in San Diego → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Obiajulu AghaSan Diego, CA 921211871120113
- Daniel Brereton, D.O.San Diego, CA 921211487093951
- John Grotting, M.D.San Diego, CA 921211376838680
- James McClurg, M.D.San Diego, CA 921211306817895
- James Moitoza, M.D.San Diego, CA 921211538153747
- Lan Nguyen, D.O.San Diego, CA 921211184785016
- David Petersen, MDSan Diego, CA 921211750363149
- Djani RobertsonSan Diego, CA 921211902426968
Common questions
What is Sean Gao's NPI number?
Sean Gao's National Provider Identifier (NPI) is 1063944270, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sean Gao located?
The NPPES record lists a practice address at 4445 Eastgate Mall Ste 105, San Diego, CA, 92121. Phone: (858) 412-6080. Providers update this record themselves, so call before visiting.
How can I verify Sean Gao's license?
NPPES lists California license number 20A19358, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sean Gao prescribe under Medicare Part D?
In 2024, Sean Gao had 115 Medicare Part D claims for 40 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.