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DR. KENNETH J KERWIN D.C.
NPI 1972671097
Chiropractor in Greenfield, WI

Active since November 30, 2006
8081 W LAYTON AVE, GREENFIELD, WI 53220(414) 282-9001(414) 282-4140 Get Directions Write a Review

NPPES record last updated: April 1, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kenneth J Kerwin D.c. NPPES

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

DR. KENNETH J KERWIN D.C. (NPI 1972671097) is an individual chiropractor in Greenfield, Wisconsin, licensed in Wisconsin (3271) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1972671097
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. KENNETH J KERWINCredential: D.C.
Location Address8081 W LAYTON AVEGreenfield, WI 53220-3712
Mailing Address8081 W Layton AveGreenfield, WI 53220-3712 · (414) 282-9001 · Fax (414) 282-4140
Phone(414) 282-9001
Fax(414) 282-4140
Sole ProprietorNo
Enumeration DateNovember 30, 2006
Last NPPES UpdateApril 1, 2010
✔ NPI 1972671097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WI · 3271
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.
8081 W LAYTON AVE, Greenfield, WI 53220
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Other Identifiers 2

Medicare UPINU56885
Medicare ID-Type Unspecified000075860

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kenneth J Kerwin D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Kerwin Chiropractic, Sc
Same address
Chiropractor
8081 W LAYTON AVE
Greenfield, WI 53220
  • Reassigned Medicare billing, Wisconsin enrollment
NPI 1851511653 (414) 282-9001

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.

ASSOCIATES IN SPINAL RELIEF, S.C.
Physical Medicine & Rehabilitation
8081 W LAYTON AVE
GREENFIELD, WI 53220
Milwaukee County (414) 282-9001
KERWIN CHIROPRACTIC, SC
Chiropractor
8081 W LAYTON AVE
GREENFIELD, WI 53220
Milwaukee County (414) 282-9001

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 Kenneth Kerwin's NPI number?

The NPI number for Kenneth Kerwin is 1972671097. It was assigned to this individual provider in the NPPES registry on November 30, 2006.

Where is Kenneth Kerwin located?

Kenneth Kerwin practices at 8081 W Layton Ave, Greenfield, WI 53220. The listed phone number is (414) 282-9001.

What is Kenneth Kerwin's specialty?

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

Is Kenneth Kerwin enrolled in Medicare?

Yes. Kenneth Kerwin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kenneth Kerwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Kerwin reassigns Medicare benefits to Kerwin Chiropractic, Sc (Greenfield, WI). 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 Kenneth Kerwin'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 Kenneth Kerwin was last updated on April 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.