DR. MARK ALLEN SLOAN D.C.
NPI 1033168307
Chiropractor in Loves Park, IL

Active since May 06, 2006
1820 WINDSOR RD, LOVES PARK, IL 61111(779) 423-1700 Get Directions Write a Review

NPPES record last updated: August 25, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 25, 2022, Apr 27, 2017 (2 updates tracked since 2017).

About Dr. Mark Allen Sloan D.c. NPPES

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

DR. MARK ALLEN SLOAN D.C. (NPI 1033168307) is an individual chiropractor in Loves Park, Illinois, licensed in Illinois (038008006) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1033168307
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. MARK ALLEN SLOANCredential: D.C.
Location Address1820 WINDSOR RDLoves Park, IL 61111-4271
Mailing Address1820 Windsor RdLoves Park, IL 61111-4271 · (779) 423-1700 · Fax (708) 895-1057
Sole ProprietorNo
Enumeration DateMay 6, 2006
Last NPPES UpdateAugust 25, 20222 updates tracked since enumeration
NPPES CertifiedAugust 25, 2022
✔ NPI 1033168307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in IL · 038008006✔ Licensed in NC · 2682
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.
1820 WINDSOR RD, Loves Park, IL 61111

Other Identifiers 2

Medicaid890838ANC
Medicaid890938AIL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Allen Sloan D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Chiropractor
100 W 84TH DR
Merrillville, IN 46410
  • Reassigned Medicare billing, Indiana enrollment
  • 5 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.

Other Providers at the Same Location NPPES 16

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

Chiropractor
1820 WINDSOR RD
LOVES PARK, IL 61111
Chiropractor
1820 WINDSOR RD
LOVES PARK, IL 61111
Chiropractor
1820 WINDSOR RD
LOVES PARK, IL 61111
Chiropractor
1820 WINDSOR RD, SUITE A
LOVES PARK, IL 61111
Chiropractor
1820 WINDSOR RD
LOVES PARK, IL 61111
General Practice
1820 WINDSOR RD, STE.A
LOVES PARK, IL 61111
Chiropractor
1820 WINDSOR RD
LOVES PARK, IL 61111
Chiropractor
1820 WINDSOR RD, SUITE A
LOVES PARK, IL 61111

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 Mark Sloan's NPI number?

The NPI number for Mark Sloan is 1033168307. It was assigned to this individual provider in the NPPES registry on May 6, 2006.

Where is Mark Sloan located?

Mark Sloan practices at 1820 Windsor Rd, Loves Park, IL 61111. The listed phone number is (779) 423-1700.

What is Mark Sloan's specialty?

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

Is Mark Sloan enrolled in Medicare?

Yes. Mark Sloan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Sloan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sloan reassigns Medicare benefits to West 84th Drive Chiropractic PC (Merrillville, IN). 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 Mark Sloan'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 Mark Sloan was last updated on August 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.