Doctor profile · Federal record

Dr. Robert Zwiener, MD

Pediatric Gastroenterology Physician · Austin, TX

  • NPI 1598717936
  • MIPS 66.2 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1301 Barbara Jordan Blvd Ste 200
Austin, TX 787233078
(512) 628-1810
fax (512) 628-1811

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 8, 2013
Specialty taxonomy
2080P0206X — NUCC code
State license (1)
Texas #G5808
Medicaid
TX #129357303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598717936. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$249
Transactions
11
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 3 $62.00
Abbvie INC. 2 $49.19
Regeneron Healthcare Solutions, INC. 1 $32.06
Genzyme Corporation 1 $27.42
Alcresta Therapeutics, INC. 1 $23.34
Kyowa Kirin, INC. 1 $22.89
Tolmar, INC. 1 $18.11
Rhythm Pharmaceuticals, INC. 1 $13.57

By nature of payment

Food and Beverage
$249

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Zwiener's medical specialty?
Dr. Robert Zwiener practices Pediatric Gastroenterology Physician in Austin, TX.
Where does Dr. Robert Zwiener practice?
Dr. Robert Zwiener practices at 1301 Barbara Jordan Blvd Ste 200, Austin, TX 787233078. Office phone: 5126281810.
What is Dr. Robert Zwiener's NPI?
Dr. Robert Zwiener's National Provider Identifier (NPI) is 1598717936, issued by NPPES.