Doctor profile · Federal record

Dr. Eugenia Tsai, M.D.

Hepatology Physician (CMS: Gastroenterology) · Gastroenterology Physician · San Antonio, TX

  • NPI 1598028870
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
607 Camden St Ste 108
San Antonio, TX 782152100
(210) 253-3426
fax (210) 227-6951
Mailing address
549 E 234Th St, Apt 2H
Bronx, NY 104702454

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
June 8, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RI0008X — NUCC code
State license (1)
Texas #S2921

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598028870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
652
Distinct HCPCS
9
Medicare allowed
$68,907
HCPCS Description Services Patients Avg allowed
76700 Complete ultrasound scan of abdomen 147 119 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 123 37 $109
99215 Established patient office or other outpatient visit, 40-54 minutes 81 65 $129
99214 Established patient office or other outpatient visit, 30-39 minutes 73 65 $121
91200 Measurement of liver stiffness 62 62 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 61 53 $87
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $160
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 31 $163
99291 Critical care, first 30-74 minutes 30 12 $205

In context: peer comparison

Among 2 peers in San Antonio Hepatology Physician, average services per provider: 63. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$394
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Mallinckrodt Hospital Products INC. 2 $149.00
Novo Nordisk INC 1 $124.93
Gilead Sciences, INC. 4 $65.03
Ipsen Biopharmaceuticals, INC 2 $39.65
Mirum Pharmaceuticals, INC. 1 $15.75

By nature of payment

Food and Beverage
$394

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
576
Patients
214
Total drug cost
$159,510
Drug Type Claims Patients Total cost
Constulose (Lactulose) Brand 81 35 $2,965
Ursodiol Generic 77 24 $18,247
Spironolactone Generic 60 31 $1,605
Carvedilol Generic 56 25 $739
Lactulose Generic 51 33 $4,142
Furosemide Generic 48 28 $357
Tacrolimus Generic 48 20 $13,604
Prednisone Generic 44 18 $369
Xifaxan (Rifaximin) Brand 26 0 $85,224
Pantoprazole Sodium Generic 23 0 $351

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eugenia Tsai's medical specialty?
Dr. Eugenia Tsai practices Hepatology Physician in San Antonio, TX.
Where does Dr. Eugenia Tsai practice?
Dr. Eugenia Tsai practices at 607 Camden St Ste 108, San Antonio, TX 782152100. Office phone: 2102533426.
What is Dr. Eugenia Tsai's NPI?
Dr. Eugenia Tsai's National Provider Identifier (NPI) is 1598028870, issued by NPPES.
Does Dr. Eugenia Tsai accept Medicare assignment?
Yes. Dr. Eugenia Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eugenia Tsai commonly perform?
Top Medicare-reported procedures in 2023: Complete ultrasound scan of abdomen (HCPCS 76700); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.