MICHAEL WILLIS D.C.
NPI 1598835910
Chiropractor in Westlake Village, CA

Q: What is Michael Willis's NPI number?

The NPI number for Michael Willis is 1598835910. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Q: What is Michael Willis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Willis was last updated on November 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since November 09, 2006

910 HAMPSHIRE RD STE U, WESTLAKE VILLAGE, CA 91361(805) 527-4767(858) 901-1346 Get Directions Write a Review

NPPES record last updated: November 13, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Michael Willis D.c. NPPES

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

MICHAEL WILLIS D.C. (NPI 1598835910) is an individual chiropractor in Westlake Village, California, licensed in California (DC20037) and active in the NPI registry since November 2006. He is a graduate of Cleveland Chiropractic College - Los Angeles (1988).

NPPES Registry Identity

NPI1598835910

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameMICHAEL WILLISCredential: D.C.

Location Address910 HAMPSHIRE RD STE UWestlake Village, CA 91361-2896

Mailing AddressPo Box 1176Cardiff, CA 92007-7176 · (760) 436-7999 · Fax (760) 436-3993

Phone(805) 527-4767

Fax(858) 901-1346

Sole ProprietorNo

Medical School CMSCleveland Chiropractic College - Los AngelesGraduated 1988

Enumeration DateNovember 9, 2006

Last NPPES UpdateNovember 13, 2019

✔ NPI 1598835910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · DC20037

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.

910 HAMPSHIRE RD STE U, Westlake Village, CA 91361

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Willis D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274507207

PECOS Enrollment IDI20091231000268

Medicare Billing Reassignment

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

Mlw,inc

Same address

Chiropractor

910 HAMPSHIRE RD STE U
Westlake Village, CA 91361

Reassigned Medicare billing, California enrollment

NPI 1225363476 (805) 527-4767

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.

486 services22 patients

Other Providers at the Same Location NPPES

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

MLW,INC

Chiropractor

910 HAMPSHIRE RD STE U
WESTLAKE VILLAGE, CA 91361

Los Angeles County (805) 527-4767

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 Michael Willis's NPI number?

The NPI number for Michael Willis is 1598835910. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Where is Michael Willis located?

Michael Willis practices at 910 Hampshire Rd Ste U, Westlake Village, CA 91361. The listed phone number is (805) 527-4767.

What is Michael Willis's specialty?

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

Is Michael Willis enrolled in Medicare?

Yes. Michael Willis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Willis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Willis reassigns Medicare benefits to Mlw,inc (Westlake Village, CA). 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 Michael Willis'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 Michael Willis was last updated on November 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.