Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tania Messmer, PA-C

Individual provider Medical Physician Assistant · NPI 1528000114

Tania Messmer, PA-C is a Physician Assistant in Oakbrook Terrace, Illinois. Qualified in 2005, 21 years ago. Practices with Gi Partners of Illinois PLLC, a 38-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Licensed in
IL
In the registry since
2006
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

17W755 Butterfield Rd Ste 101
Oakbrook Terrace, IL 60181-4253
Phone: (630) 827-0100
Fax: (630) 827-0103
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 085002586 (IL)

Record details

NPI number1528000114
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJune 11, 2006
Last updated in NPPESOctober 12, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Gi Partners Of Illinois Pllc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare