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

Dr. Sarah Cathleen Peterson, MD

Individual provider Internal Medicine Physician · NPI 1114174828

Dr. Sarah Cathleen Peterson, MD is an Allergy/Immunology in Buffalo Grove, Illinois. Graduated from University of Rochester School of Medicine and Dentistry in 2007, 19 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
19
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
IL
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

15 S McHenry Rd
Buffalo Grove, IL 60089-6705
Phone: (847) 618-0326
Fax: (847) 618-0762
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 036125565 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036125565 (IL)

Record details

NPI number1114174828
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2008
Last updated in NPPESApril 28, 2026
Certification dateApril 28, 2026

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 2007 (19 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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