Eugene Tsai, M.D.
Orthopaedic Hand Surgery Physician · Los Angeles, CA
Eugene Tsai, M.D. is an orthopaedic hand surgery physician with a practice address in Los Angeles, California, and NPI 1437474475, issued on Apr 1, 2010. Check the license (California A142027, 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 Hand Surgery Physician 207XS0106X
- License numbers
- A142027 CA
261886 MA
Self-reported in NPPES; status is on the state search - Practice location
- 8635 W 3RD St, Los Angeles, CA 90048
- Phone
- (310) 423-5900
- Enumerated
- Apr 1, 2010
- Record last updated
- Dec 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (310) 423-7058
- Medicare enrollment
- Enrolled (PECOS I20160930001327); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 8635 W 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rodrigo Alban, M.D.Surgical Critical Care Physician1023192663
- Kimberly Alva, NPAcute Care Nurse Practitioner1659583607
- Alagappan Annamalai, M.D.Surgery Physician1215182910
- Alenoush Aramian, PHARM.D., BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1891163614
- Roy Artal, M.D.Pulmonary Disease Physician1720169972
- Guita Balakhane, M.D.,Nephrology Physician1326027806
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 A142027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
32 Medicare Part D claims for 26 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,430.19
13 payments; by number, the most common kind was food and beverage; the largest payer was Musculoskeletal Transplant Foundation Inc. The 1,819 providers of this specialty with any payment received $5,529.86 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
- Cedars-Sinai Medical Care FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eugene Tsai among 288 orthopaedic hand surgery physician records in California
Eugene Tsai, M.D. is one of 288 orthopaedic hand surgery physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2010 · median 2004 among the 214 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Los Angeles → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Myles Cohen, M.D.Los Angeles, CA 900481437161080
- Charles Lane, MDLos Angeles, CA 900481235173436
- Meghan McCullough, MDLos Angeles, CA 900481265835383
- Raymond Raven, MDLos Angeles, CA 900481932199478
- Dainn Woo, MDLos Angeles, CA 900481750919593
- Steven Shin, M.D.Los Angeles, CA 900451164407862
- Norman Zemel, M.D.Los Angeles, CA 900451609871383
- Ali Azad, MDLos Angeles, CA 900331487064127
Common questions
What is Eugene Tsai, M.D.'s NPI number?
Eugene Tsai, M.D.'s National Provider Identifier (NPI) is 1437474475, issued on Apr 1, 2010. 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 8635 W 3RD St, Los Angeles, CA, 90048. Phone: (310) 423-5900. Providers update this record themselves, so call before visiting.
How can I verify Eugene Tsai, M.D.'s license?
NPPES lists California license number A142027, 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 32 Medicare Part D claims for 26 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is Eugene Tsai, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.