TAMMY LYNN BROWN APN
NPI 1972769073
Nurse Practitioner - Adult Health in North Chicago, IL
About Tammy Lynn Brown Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY LYNN BROWN APN (NPI 1972769073) is an individual adult health provider in North Chicago, Illinois, licensed in Illinois (209.007013) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Evanston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Tammy Lynn Brown Apn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tammy Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waukegan, IL 60085
- Reassigned Medicare billing, Illinois enrollment
- 166 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60064 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.
NORTH CHICAGO, IL 60064
NORTH CHICAGO, IL 60064
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 Tammy Brown's NPI number?
The NPI number for Tammy Brown is 1972769073. It was assigned to this individual provider in the NPPES registry on July 29, 2008.
Where is Tammy Brown located?
Tammy Brown practices at 3001 Green Bay Rd, North Chicago, IL 60064. The listed phone number is (224) 610-4736.
What is Tammy Brown's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Tammy Brown enrolled in Medicare?
Yes. Tammy Brown is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tammy Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Brown reassigns Medicare benefits to Waukegan Clinic Corp (Waukegan, 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 Tammy Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Brown accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Tammy Brown 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.
When was this NPI record last updated?
The NPPES record for Tammy Brown was last updated on March 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Tammy Lynn Brown, APN · NPI 1972769073
Adult Health physician in North Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 29, 2008.
## Identity
- **NPI:** 1972769073 (Entity type: Individual)
- **Enumerated:** July 29, 2008
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 209.007013 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3001 GREEN BAY RD, North Chicago, IL 60064-3048
- **Phone:** (224) 610-4736
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Waukegan Clinic Corp (NPI 1306937289, Waukegan, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1972769073) · Data from the CMS NPPES public registry.