MOLLY MACINNES PERRI MD
NPI 1568082576
Internal Medicine - Addiction Medicine in Rockford, IL
About Molly Macinnes Perri Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOLLY MACINNES PERRI MD (NPI 1568082576) is an individual addiction medicine provider in Rockford, Illinois, licensed in Illinois (036173956) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2020).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Molly Macinnes Perri Md 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 Reassignment
Medicare enrollment records show Molly Perri reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockford, IL 61104
- Reassigned Medicare billing, Illinois enrollment
- 30 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Illinois Hospital And Clinics
Acute Care Hospitals · Chicago, ILUw Health
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61104 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.
ROCKFORD, IL 61104
ROCKFORD, IL 61104
ROCKFORD, IL 61104
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 Molly Perri's NPI number?
The NPI number for Molly Perri is 1568082576. It was assigned to this individual provider in the NPPES registry on April 20, 2020. The provider is also known as Molly Elizabeth Macinnes MD.
Where is Molly Perri located?
Molly Perri practices at 1221 E State St, Rockford, IL 61104. The listed phone number is (815) 972-1000.
What is Molly Perri's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.
Is Molly Perri enrolled in Medicare?
Yes. Molly Perri 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 organization bills Medicare for Molly Perri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Molly Perri reassigns Medicare benefits to The Board Of Trustees Of The University Of Illinois (Rockford, IL). The 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 Molly Perri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Molly Perri accept?
Health plans from Quartz list Molly Perri 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 Molly Perri affiliated with any hospitals?
According to CMS data, Molly Perri is affiliated with University Of Illinois Hospital And Clinics and Uw Health.
When was this NPI record last updated?
The NPPES record for Molly Perri was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Molly Macinnes Perri, MD · NPI 1568082576
Addiction Medicine physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since April 20, 2020.
## Identity
- **NPI:** 1568082576 (Entity type: Individual)
- **Enumerated:** April 20, 2020
- **Primary specialty:** Internal Medicine - Addiction Medicine · taxonomy 207RA0401X
- **State license:** 036173956 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 E STATE ST, Rockford, IL 61104-2231
- **Phone:** (815) 972-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Board Of Trustees Of The University Of Illinois (NPI 1306486022, Rockford, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2020
## Record status
- **NPPES last updated:** March 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1568082576) · Data from the CMS NPPES public registry.