MARY C HEWITT APN
NPI 1952653438
Nurse Practitioner - Adult Health in Palos Park, IL
About Mary C Hewitt Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY C HEWITT APN (NPI 1952653438) is an individual adult health provider in Palos Park, Illinois, licensed in Illinois (209.009808) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary C Hewitt Apn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mary Hewitt reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago Heights, IL 60411
- Reassigned Medicare billing, Illinois enrollment
- 173 clinicians in this Medicare group
Lanham, MD 20706
- Reassigned Medicare billing, Illinois enrollment
- 176 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Illinois enrollment
- 712 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60464 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PALOS PARK, IL 60464
PALOS PARK, IL 60464
PALOS PARK, IL 60464
PALOS PARK, IL 60464
PALOS PARK, IL 60464
PALOS PARK, IL 60464
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 Hewitt's NPI number?
The NPI number for Mary Hewitt is 1952653438. It was assigned to this individual provider in the NPPES registry on October 9, 2012.
Where is Mary Hewitt located?
Mary Hewitt practices at 13011 S 104th Ave Ste 100, Palos Park, IL 60464. The listed phone number is (708) 274-3278.
What is Mary Hewitt's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Mary Hewitt enrolled in Medicare?
Yes. Mary Hewitt is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Hewitt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Hewitt reassigns Medicare benefits to 3 organizations: Altea Medical Illinois PLLC (Chicago Heights, IL), Post Acute Medical PLLC (Lanham, MD) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Hewitt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Hewitt was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.