Doctor profile · Federal record

Dr. Tania Messmer, P.A.-C

Medical Physician Assistant (CMS: Physician Assistant) · Oakbrook Terrace, IL

  • NPI 1528000114
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17W755 Butterfield RD, Suite 101
Oakbrook Terrace, IL 601814253
(630) 827-0100
fax (630) 827-0103

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 12, 2016
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Illinois #085002586

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528000114. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$499
Transactions
24
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 6 $109.43
Janssen Biotech, Inc. 3 $79.68
Takeda Pharmaceuticals U.S.A., Inc. 4 $69.89
AIMMUNE THERAPEUTICS, INC. 3 $55.29
QOL Medical, LLC 2 $53.50
Ardelyx, Inc. 1 $30.00
GENZYME CORPORATION 1 $25.74
Daiichi Sankyo Inc. 1 $22.74
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $20.83
Phathom Pharmaceuticals, Inc. 1 $16.91
Gilead Sciences, Inc. 1 $14.97

By nature of payment

Food and Beverage
$499

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tania Messmer's medical specialty?
Dr. Tania Messmer practices Medical Physician Assistant in Oakbrook Terrace, IL.
Where does Dr. Tania Messmer practice?
Dr. Tania Messmer practices at 17W755 Butterfield RD, Oakbrook Terrace, IL 601814253. Office phone: 6308270100.
What is Dr. Tania Messmer's NPI?
Dr. Tania Messmer's National Provider Identifier (NPI) is 1528000114, issued by NPPES.
Does Dr. Tania Messmer accept Medicare assignment?
Yes. Dr. Tania Messmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.