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

Rebecca A Griesemer, PA-C

Individual provider Physician Assistant · NPI 1134222425

Rebecca A Griesemer, PA-C is a Physician Assistant in Buffalo Grove, Illinois. Qualified in 2004, 22 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
22
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

15 S McHenry Rd
Buffalo Grove, IL 60089-6705
Phone: (847) 618-0351
Fax: (847) 618-0766
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085-002393 (IL)

Record details

NPI number1134222425
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 5, 2006
Last updated in NPPESMarch 16, 2022
Certification dateMarch 16, 2022

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients378
Services billed 641 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Endeavor Health Medical Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3348 clinicians in the practice; 12 are shown here.

Other providers in Buffalo Grove