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DR. ANDREW OTIS WILLIAMS D.C.
NPI 1104853175
Chiropractor in Elk Grove, CA

Active since June 27, 2006
9381 E STOCKTON BLVD, SUITE # 130, ELK GROVE, CA 95624(916) 686-6062(916) 686-6144 Get Directions Write a Review

NPPES record last updated: March 6, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Andrew Otis Williams D.c. NPPES

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

DR. ANDREW OTIS WILLIAMS D.C. (NPI 1104853175) is an individual chiropractor in Elk Grove, California, licensed in California (30180) and active in the NPI registry since June 2006. He is a graduate of Palmer College Chiropractic - West Sunnyvale (2006).

NPPES Registry Identity

NPI1104853175
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. ANDREW OTIS WILLIAMSCredential: D.C.
Location Address9381 E STOCKTON BLVD, SUITE # 130Elk Grove, CA 95624-5068
Mailing Address9381 E Stockton Blvd, Suite # 130Elk Grove, CA 95624-5068 · (916) 686-6062 · Fax (916) 686-6144
Phone(916) 686-6062
Fax(916) 686-6144
Sole ProprietorYes
Medical School CMSPalmer College Chiropractic - West SunnyvaleGraduated 2006
Enumeration DateJune 27, 2006
Last NPPES UpdateMarch 6, 2008
✔ NPI 1104853175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · 30180
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.
9381 E STOCKTON BLVD, Elk Grove, CA 95624
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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)

Dr. Andrew Otis Williams D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173626280
PECOS Enrollment IDI20070309000538

Medicare Billing Reassignment

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

Backs In Motion Chirospa Inc
Same address
Chiropractor
9381 E STOCKTON BLVD, STE130
Elk Grove, CA 95624
  • Reassigned Medicare billing, California enrollment
NPI 1417350786 (916) 686-6062

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 12

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

SPEED DENTAL PRACTICE CORPORATION
Dentist
9381 E STOCKTON BLVD, SUITE 120
ELK GROVE, CA 95624
Sacramento County (916) 686-4212
CHRISTINE N LEE DMD A PROFESSIONAL DENTAL CORPORATION
Dentist (General Practice)
9381 E STOCKTON BLVD, SUITE 120
ELK GROVE, CA 95624
Sacramento County (916) 686-4212
MS. FIRDOS S SHEIKH MD
Psychiatry & Neurology (Neurology)
9381 E STOCKTON BLVD, SUITE #124
ELK GROVE, CA 95624
Sacramento County (916) 681-2226
DUC-VINH VO DDS
Dentist
9381 E STOCKTON BLVD, #228
ELK GROVE, CA 95624
Sacramento County (916) 691-1188
DR. CHRISTINE NAM LEE D.M.D.
Dentist
9381 E STOCKTON BLVD, SUITE 120
ELK GROVE, CA 95624
Sacramento County (916) 686-4212
BACKS IN MOTION CHIROSPA INC
Chiropractor
9381 E STOCKTON BLVD, STE130
ELK GROVE, CA 95624
Sacramento County (916) 686-6062
DR. JOSHUA AARON DAVIDSON D.C.
Chiropractor
9381 E STOCKTON BLVD, LIBERTY CENTER II SUITE 219
ELK GROVE, CA 95624
Sacramento County (916) 670-1883
ZENJA WATKINS MD INC
Obstetrics & Gynecology
9381 E STOCKTON BLVD, SUITE 216
ELK GROVE, CA 95624
Sacramento County (916) 683-6555

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 Andrew Williams's NPI number?

The NPI number for Andrew Williams is 1104853175. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Where is Andrew Williams located?

Andrew Williams practices at 9381 E Stockton Blvd Suite # 130, Elk Grove, CA 95624. The listed phone number is (916) 686-6062.

What is Andrew Williams's specialty?

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

Is Andrew Williams enrolled in Medicare?

Yes. Andrew Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Williams reassigns Medicare benefits to Backs In Motion Chirospa Inc (Elk Grove, 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 Andrew Williams'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 Andrew Williams was last updated on March 6, 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.