Doctor profile · Federal record

Dr. Eugene Tsai, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Artesia, CA

  • NPI 1053301200
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12225 South St, #102
Artesia, CA 907017053
(562) 865-2402
fax (562) 865-6621

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
December 7, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
California #A70444

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053301200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
957
Distinct HCPCS
5
Medicare allowed
$25,175
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 433 27 $17
95117 Professional service for multiple injections of allergen 432 32 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 54 39 $121
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $159
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $83

In context: peer comparison

Among 1 peers in Artesia Allergy & Immunology Physician, average services per provider: 191. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$364
Transactions
17
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 7 $194.09
Regeneron Healthcare Solutions, INC. 3 $51.76
Genzyme Corporation 3 $46.86
GlaxoSmithKline, LLC. 2 $29.74
Sanofi-Aventis U.S. LLC 1 $21.92
Pfizer INC. 1 $19.16

By nature of payment

Food and Beverage
$364

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
76
Patients
0
Total drug cost
$44,599
Drug Type Claims Patients Total cost
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 19 0 $3,960
Fluticasone Propionate Generic 16 0 $271
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 15 0 $801
Montelukast Sodium Generic 15 0 $475
Dupixent Syringe (Dupilumab) Brand 11 0 $39,092

Frequently asked questions

Auto-generated from federal data
What is Dr. Eugene Tsai's medical specialty?
Dr. Eugene Tsai practices Allergy & Immunology Physician in Artesia, CA.
Where does Dr. Eugene Tsai practice?
Dr. Eugene Tsai practices at 12225 South St, Artesia, CA 907017053. Office phone: 5628652402.
What is Dr. Eugene Tsai's NPI?
Dr. Eugene Tsai's National Provider Identifier (NPI) is 1053301200, 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: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.