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DR. JEFFREY P GEHLSEN D.C.
NPI 1750397667
Chiropractor in Freeport, IL

Active since July 31, 2006
630 TERRA WEST DR, FREEPORT, IL 61032(815) 235-7858(815) 235-7913 Get Directions Write a Review

NPPES record last updated: July 30, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Jeffrey P Gehlsen D.c. NPPES

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

DR. JEFFREY P GEHLSEN D.C. (NPI 1750397667) is an individual chiropractor in Freeport, Illinois, licensed in Illinois (038-005597) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1750397667
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. JEFFREY P GEHLSENCredential: D.C.
Location Address630 TERRA WEST DRFreeport, IL 61032-4536
Mailing Address630 Terra West DrFreeport, IL 61032-4536 · (815) 235-7858 · Fax (815) 235-7913
Phone(815) 235-7858
Fax(815) 235-7913
Sole ProprietorNo
Enumeration DateJuly 31, 2006
Last NPPES UpdateJuly 30, 2008
✔ NPI 1750397667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IL · 038-005597
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.
630 TERRA WEST DR, Freeport, IL 61032
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified755470
Medicare PINR01879
Medicare UPINT38572

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey P Gehlsen D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Hulsebus And Gehlsen Chiropractic
0.1 mi
Chiropractor
630 TERRA WEST DR
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 3 clinicians in this Medicare group
NPI 1043433162 (815) 235-7858

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

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
574 services44 patients

Other Providers at the Same Location NPPES 7

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

HULSEBUS AND GEHLSEN CHIROPRACTIC
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858
JACOB DALE WOOKEY D.C.
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858
DR. JORDAN WILLIAM PONTIUS DC, ATC
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858
DR. DEBRA A WELSER D.C.
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858
DR. JOHN THOMAS REYNOLDS D.C.
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858
GREGORY L OVERLANDER D.C.
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858
DR. ROGER D HULSEBUS D.C.
Chiropractor
630 TERRA WEST DR
FREEPORT, IL 61032
Stephenson County (815) 235-7858

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 Jeffrey Gehlsen's NPI number?

The NPI number for Jeffrey Gehlsen is 1750397667. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Jeffrey Gehlsen located?

Jeffrey Gehlsen practices at 630 Terra West Dr, Freeport, IL 61032. The listed phone number is (815) 235-7858.

What is Jeffrey Gehlsen's specialty?

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

Is Jeffrey Gehlsen enrolled in Medicare?

Yes. Jeffrey Gehlsen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Gehlsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Gehlsen reassigns Medicare benefits to Hulsebus And Gehlsen Chiropractic (Freeport, 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 Jeffrey Gehlsen'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 Jeffrey Gehlsen was last updated on July 30, 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.