MARY KATHRYN PETERSON D.O.
NPI 1356508675
Family Medicine in Skokie, IL
About Mary Kathryn Peterson D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATHRYN PETERSON D.O. (NPI 1356508675) is an individual family medicine provider in Skokie, Illinois, licensed in Illinois (036121820) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2006).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Kathryn Peterson D.o. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mary Peterson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Des Plaines, IL 60016
- Reassigned Medicare billing, Illinois enrollment
- 443 clinicians in this Medicare group
Chicago, IL 60602
- Reassigned Medicare billing, Illinois enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Francis Hospital
Acute Care Hospitals · Evanston, ILAmita Health Resurrection Medical Center
Acute Care Hospitals · Chicago, ILPresence Saints Mary And Elizabeth Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60077 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SKOKIE, IL 60077
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 Mary Peterson's NPI number?
The NPI number for Mary Peterson is 1356508675. It was assigned to this individual provider in the NPPES registry on May 22, 2008. The provider is also known as Mary Kathryn Doran Do.
Where is Mary Peterson located?
Mary Peterson practices at 4999 Old Orchard Shopping Center F12 & F13, Skokie, IL 60077. The listed phone number is (888) 663-6331.
What is Mary Peterson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Peterson enrolled in Medicare?
Yes. Mary 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.
Which organizations bill Medicare for Mary Peterson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Peterson reassigns Medicare benefits to 2 organizations: Prime Healthcare Illinois Medical Group LLC (Des Plaines, IL) and One Medical Group, Inc. (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Peterson accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Mary 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 Mary Peterson affiliated with any hospitals?
According to CMS data, Mary Peterson is affiliated with Presence Saint Francis Hospital, Amita Health Resurrection Medical Center, Presence Saints Mary And Elizabeth Medical Center and Advocate Lutheran General Hospital.
When was this NPI record last updated?
The NPPES record for Mary Peterson was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.