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DR. GARY D TENNANT D.C.
NPI 1780653071
Chiropractor in Park Forest, IL

Active since March 17, 2006
386 FOREST BLVD, PARK FOREST, IL 60466(708) 481-1715(708) 481-8915 Get Directions Write a Review

NPPES record last updated: January 15, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Gary D Tennant D.c. NPPES

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

DR. GARY D TENNANT D.C. (NPI 1780653071) is an individual chiropractor in Park Forest, Illinois, licensed in Illinois (038-005464) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1780653071
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. GARY D TENNANTCredential: D.C.
Location Address386 FOREST BLVDPark Forest, IL 60466-2005
Mailing Address386 Forest BlvdPark Forest, IL 60466-2005 · (708) 481-1715 · Fax (708) 481-8915
Phone(708) 481-1715
Fax(708) 481-8915
Sole ProprietorYes
Enumeration DateMarch 17, 2006
Last NPPES UpdateJanuary 15, 2008
✔ NPI 1780653071 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IL · 038-005464
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
386 FOREST BLVD, Park Forest, IL 60466
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINT38426
Other1622660IL · Bcbsil
Medicare PINK47705IL
Other350056091IL · Rr Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gary D Tennant D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Gary Tennant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Park Forest Chiropractic, Ltd.
Same address
Chiropractor
386 FOREST BLVD
Park Forest, IL 60466
  • Reassigned Medicare billing, Illinois enrollment
  • 2 clinicians in this Medicare group
NPI 1598734295 (708) 481-1715

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

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PARK FOREST CHIROPRACTIC, LTD.
Chiropractor
386 FOREST BLVD
PARK FOREST, IL 60466
Cook County (708) 481-1715
DR. DAVID TYSSEN D.C.
Chiropractor
386 FOREST BLVD
PARK FOREST, IL 60466
Cook County (708) 481-1715

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 Gary Tennant's NPI number?

The NPI number for Gary Tennant is 1780653071. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Where is Gary Tennant located?

Gary Tennant practices at 386 Forest Blvd, Park Forest, IL 60466. The listed phone number is (708) 481-1715.

What is Gary Tennant's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Gary Tennant enrolled in Medicare?

Yes. Gary Tennant is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gary Tennant's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Tennant reassigns Medicare benefits to Park Forest Chiropractic, Ltd. (Park Forest, 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 Gary Tennant'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 Gary Tennant was last updated on January 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.