DR. SARAH CATHLEEN PETERSON M.D.
NPI 1114174828
Allergy & Immunology in Buffalo Grove, IL
About Dr. Sarah Cathleen Peterson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH CATHLEEN PETERSON M.D. (NPI 1114174828) is an individual allergy & immunology provider in Buffalo Grove, Illinois, licensed in Illinois (036125565) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2007).
NPPES Registry Identity
Specialties & Licenses 2
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sarah Cathleen Peterson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUFFALO GROVE, IL 60089
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sarah Peterson's NPI number?
The NPI number for Sarah Peterson is 1114174828. It was assigned to this individual provider in the NPPES registry on August 25, 2008.
Where is Sarah Peterson located?
Sarah Peterson practices at 15 S Mchenry Rd, Buffalo Grove, IL 60089. The listed phone number is (847) 618-0326.
What is Sarah Peterson's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Sarah Peterson enrolled in Medicare?
Yes. Sarah Peterson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Sarah Peterson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Sarah Peterson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sarah Peterson affiliated with any hospitals?
According to CMS data, Sarah Peterson is affiliated with Northwest Community Hospital 1.
When was this NPI record last updated?
The NPPES record for Sarah Peterson was last updated on April 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.