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TERESA MCKENZIE, M.D., LLC
NPI 1871754168
Internal Medicine in River Forest, IL

Active since June 19, 2008
7605 1/2 NORTH AVE, RIVER FOREST, IL 60305(708) 366-4888 Get Directions Write a Review

NPPES record last updated: January 15, 2013. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Teresa Mckenzie, M.d., Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TERESA MCKENZIE, M.D., LLC (NPI 1871754168) is a healthcare organization registered as an internal medicine in River Forest, Illinois and active in the NPI registry since June 2008. The organization lists Teresa Mckenzie, Owner, as its authorized official.

NPPES Registry Identity

NPI1871754168
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTERESA MCKENZIE, M.D., LLC
Location Address7605 1/2 NORTH AVERiver Forest, IL 60305-1133
Mailing Address7605 1/2 North AveRiver Forest, IL 60305-1133 · (708) 366-4888
Phone(708) 366-4888
Organization SubpartNo
Authorized OfficialTeresa MckenzieOwner · (708) 366-4888
Enumeration DateJune 19, 2008
Last NPPES UpdateJanuary 15, 2013
✔ NPI 1871754168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036076673
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
7605 1/2 NORTH AVE, River Forest, IL 60305
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Other Identifiers 4

Other208524IL · Medicare
Other1639941IL · Bcbs
Medicare UPINE71083IL
Medicaid036076673IL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Teresa Mckenzie, M.d., Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Teresa Mckenzie, M.D., LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Teresa Mckenzie, MD
Internal Medicine
NPI 1366488033
7605 1/2 NORTH AVE
River Forest, IL 60305
(708) 366-4888
✔ PECOS✔ Accepts Medicare0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Teresa Mckenzie, M.D., LLC's NPI number?

The NPI number for Teresa Mckenzie, M.D., LLC is 1871754168. It was assigned to this organization in the NPPES registry on June 19, 2008.

Where is Teresa Mckenzie, M.D., LLC located?

Teresa Mckenzie, M.D., LLC is located at 7605 1/2 North Ave, River Forest, IL 60305. The listed phone number is (708) 366-4888.

What is Teresa Mckenzie, M.D., LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Teresa Mckenzie, M.D., LLC enrolled in Medicare?

Yes. Teresa Mckenzie, M.D., LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Teresa Mckenzie, M.D., LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Teresa Mckenzie, M.D., LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Teresa Mckenzie, M.D., LLC was last updated on January 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.