Doctor profile · Federal record

Dr. Zhouwen Tang, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Austin, TX

  • NPI 1619297223
  • Accepts Medicare
  • MIPS 72.5 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1601 Trinity St Stop Z0900
Austin, TX 787121765
(512) 495-5139
Additional location
5339 N Ih 35 Ste 100
Austin, TX 787232558
(512) 978-8130
Mailing address
1601 Trinity St
Austin, TX 787121765

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
June 25, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #P3461
Medicaid
TX #358938401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619297223. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,907
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $173

In context: peer comparison

Among 21 peers in Austin Gastroenterology Physician, average services per provider: 53. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,082
Transactions
19
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Olympus Corporation of the Americas 17 $1,846.22
Erbe USA INC 1 $134.88
Janssen Scientific Affairs, LLC 1 $100.92

By nature of payment

Travel and Lodging
$1,745
Food and Beverage
$337

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zhouwen Tang's medical specialty?
Dr. Zhouwen Tang practices Gastroenterology Physician in Austin, TX.
Where does Dr. Zhouwen Tang practice?
Dr. Zhouwen Tang practices at 1601 Trinity St Stop Z0900, Austin, TX 787121765. Office phone: 5124955139.
What is Dr. Zhouwen Tang's NPI?
Dr. Zhouwen Tang's National Provider Identifier (NPI) is 1619297223, issued by NPPES.
Does Dr. Zhouwen Tang accept Medicare assignment?
Yes. Dr. Zhouwen Tang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zhouwen Tang commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.