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OLGA OSTATNIGROSH WILLIAMS DC
NPI 1083324362
Chiropractor in Nipomo, CA

Active since November 28, 2022PECOS EnrolledAccepts Medicare Assignment
487 S OAK GLEN AVE, NIPOMO, CA 93444(559) 801-7393 Get Directions Write a Review

NPPES record last updated: May 29, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Olga Ostatnigrosh Williams Dc NPPES

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

OLGA OSTATNIGROSH WILLIAMS DC (NPI 1083324362) is an individual chiropractor in Nipomo, California, licensed in California (36487) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Arroyo Grande, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1083324362
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameOLGA OSTATNIGROSH WILLIAMSCredential: DC
Location Address487 S OAK GLEN AVENipomo, CA 93444-9010
Mailing Address487 S Oak Glen AveNipomo, CA 93444-9010 · (559) 801-7393
Phone(559) 801-7393
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 28, 2022
Last NPPES UpdateMay 29, 2024
NPPES CertifiedMay 29, 2024
✔ NPI 1083324362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · 36487
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.
487 S OAK GLEN AVE, Nipomo, CA 93444
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Secondary Practice Location 1

Location 11205 E Grand AveArroyo Grande, CA 93420-2419 · Phone (805) 994-2300 · Fax (805) 994-2395

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Olga Ostatnigrosh Williams Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325410137
PECOS Enrollment IDI20230203001635
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Olga Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ostatnigrosh Williams Chiropractic Professional Corporation
Same address
Sports Physician
487 S OAK GLEN AVE
Nipomo, CA 93444
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1104685353 (559) 801-7393
Community Health Centers Of The Central Coast Inc
1.4 mi
Federally Qualified Health Center (FQHC)
150 TEJAS PL
Nipomo, CA 93444
  • Reassigned Medicare billing, California enrollment
  • 213 clinicians in this Medicare group
NPI 1841217866 (805) 929-3211

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

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

OSTATNIGROSH WILLIAMS CHIROPRACTIC PROFESSIONAL CORPORATION
Chiropractor (Sports Physician)
487 S OAK GLEN AVE
NIPOMO, CA 93444
San Luis Obispo County (559) 801-7393

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 Olga Williams's NPI number?

The NPI number for Olga Williams is 1083324362. It was assigned to this individual provider in the NPPES registry on November 28, 2022.

Where is Olga Williams located?

Olga Williams practices at 487 S Oak Glen Ave, Nipomo, CA 93444. The listed phone number is (559) 801-7393.

What is Olga Williams's specialty?

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

Is Olga Williams enrolled in Medicare?

Yes. Olga Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Olga Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olga Williams reassigns Medicare benefits to 2 organizations: Ostatnigrosh Williams Chiropractic Professional Corporation (Nipomo, CA) and Community Health Centers Of The Central Coast Inc (Nipomo, CA). Each 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 Olga 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 Olga Williams was last updated on May 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.