Doctor profile · Federal record

Dr. Eugene Tsai, M.D.

Orthopaedic Hand Surgery Physician (CMS: Hand Surgery) · Orthopaedic Surgery Physician · Los Angeles, CA

  • NPI 1437474475
  • Accepts Medicare
  • MIPS 84.1 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8635 W 3Rd St, Suite 990W
Los Angeles, CA 900486101
(310) 423-5900
fax (310) 423-7058

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
December 12, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207XS0106X — NUCC code
State licenses (2)
California #A142027 · Massachusetts #261886

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437474475. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,709
Distinct HCPCS
10
Medicare allowed
$185,042
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 683 215 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 483 282 $100
20550 Injection into tendon or ligament 258 157 $58
99203 New patient office or other outpatient visit, 30-44 minutes 244 244 $123
73130 X-ray of hand, minimum of 3 views 213 141 $44
73110 X-ray of wrist, minimum of 3 views 184 108 $48
73140 X-ray of finger, minimum of 2 views 132 107 $45
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass 88 24 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 69 66 $139
20605 Aspiration and/or injection of fluid from medium joint 68 56 $62

In context: peer comparison

Among 7 peers in Los Angeles Orthopaedic Hand Surgery Physician, average services per provider: 72. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,430
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Musculoskeletal Transplant Foundation INC. 1 $516.96
PolyNovo North America LLC 4 $425.72
Skeletal Dynamics INC 3 $208.57
Endo USA, INC. 1 $137.33
Globus Medical, INC. 1 $72.48
Stryker Corporation 3 $69.13

By nature of payment

Food and Beverage
$913
Travel and Lodging
$517

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eugene Tsai's medical specialty?
Dr. Eugene Tsai practices Orthopaedic Hand Surgery Physician in Los Angeles, CA.
Where does Dr. Eugene Tsai practice?
Dr. Eugene Tsai practices at 8635 W 3Rd St, Los Angeles, CA 900486101. Office phone: 3104235900.
What is Dr. Eugene Tsai's NPI?
Dr. Eugene Tsai's National Provider Identifier (NPI) is 1437474475, issued by NPPES.
Does Dr. Eugene Tsai accept Medicare assignment?
Yes. Dr. Eugene Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eugene Tsai commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Injection into tendon or ligament (HCPCS 20550). Source: CMS Medicare Physician & Other Practitioners file.