NPI age
13 years
Enumerated 2012-06-21
● Active
Type 1 · Individual
Eugenia Tsai, M.D.
Tsai is 1 of 5 internal medicine providers in San Antonio and 1 of 29 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-06-08
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 29 active internal medicine providers in Texas.
NPI age
13 years
↓ 6 yr below median (19 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
1
In the 62% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-06Enumerated in NPPES
2012
2026
Where they practice
Practice location
607 Camden St Ste 108
San Antonio, TX 782152100
Mailing address
549 E 234th St, Apt 2h
Bronx, NY 104702454
Specialties
-
Internal Medicine PrimaryThe discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who...
-
Internal MedicineAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
Practice context
Part of a multi-provider practice. 6 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in San Antonio in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.