Eugene Tsai, M.D
Orthopaedic Surgery Physician · Los Angeles, CA
Eugene Tsai, M.D is an orthopaedic surgery physician with a practice address in Los Angeles, California, and NPI 1922006378, issued on Jul 11, 2005. Check the license (California G85849, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eugene Tsai
- Credential
- M.D
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G85849 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-8529
- Enumerated
- Jul 11, 2005
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (323) 783-6985
- Medicaid ID
- 00G858490 CA
- Medicare enrollment
- Enrolled (PECOS I20081216000117); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1991
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 4760 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Ahn, M.D.Surgery Physician1275892762
- Yasir AkmalSurgical Oncology Physician1689832966
- Aditya Ambegaonkar, MDCardiovascular Disease Physician1922167667
- Carl Andaya, LCSWClinical Social Worker1861692444
- David Apel, MDOrthopaedic Surgery Physician1568553055
Verify Eugene Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
108 Medicare Part D claims for 75 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 50 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen42 claims
- Meloxicam26 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: $8,131.56
4 payments; by number, the most common kind was travel and lodging; the largest payer was Skeletal Dynamics Inc. 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
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eugene Tsai among 2,276 orthopaedic surgery physician records in California
Eugene Tsai, M.D 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2003 among the 1,347 with a school on file
- Record last updated2021 · 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 Los Angeles → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- David Apel, MDLos Angeles, CA 900271568553055
- Vincent Chen, M.DLos Angeles, CA 900271831197284
- Amirhesam Ehsan, M.DLos Angeles, CA 900271316163744
- Rachel Goldstein, MD, MPHLos Angeles, CA 900271831395557
- Nina Lightdale, M.D.Los Angeles, CA 900271316149636
- H. Michael Mynatt, MDLos Angeles, CA 900271326100207
- Duy Phan, MDLos Angeles, CA 900271538459730
- Deirdre Ryan, MDLos Angeles, CA 900271982678025
Common questions
What is Eugene Tsai, M.D's NPI number?
Eugene Tsai, M.D's National Provider Identifier (NPI) is 1922006378, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Eugene Tsai, M.D located?
The NPPES record lists a practice address at 4760 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-8529. Providers update this record themselves, so call before visiting.
How can I verify Eugene Tsai, M.D's license?
NPPES lists California license number G85849, 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 Eugene Tsai, M.D prescribe under Medicare Part D?
In 2024, Eugene Tsai, M.D had 108 Medicare Part D claims for 75 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.