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VALLEY CHIROPRACTIC OFFICE OF RACHEL FROZENFAR DC PC
NPI 1891934022
Chiropractor in Los Altos, CA

Active since February 11, 2009
811 ALTOS OAKS DR, SUITE #3, LOS ALTOS, CA 94024(650) 941-4475(650) 941-4446 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 20, 2026, Jul 7, 2025 (2 updates tracked since 2025).

About Valley Chiropractic Office Of Rachel Frozenfar Dc Pc NPPES

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

VALLEY CHIROPRACTIC OFFICE OF RACHEL FROZENFAR DC PC (NPI 1891934022) is a healthcare organization registered as a chiropractor in Los Altos, California and active in the NPI registry since February 2009. The organization lists Rachel Frozenfar, President/secretary, as its authorized official.

NPPES Registry Identity

NPI1891934022
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameVALLEY CHIROPRACTIC OFFICE OF RACHEL FROZENFAR DC PC
Location Address811 ALTOS OAKS DR, SUITE #3Los Altos, CA 94024-5426
Mailing Address811 Altos Oaks Dr Ste 3Los Altos, CA 94024-5427 · (650) 941-4475 · Fax (650) 941-4446
Phone(650) 941-4475
Fax(650) 941-4446
Organization SubpartNo
Authorized OfficialRachel FrozenfarPresident/secretary · (650) 941-4475
Enumeration DateFebruary 11, 2009
Last NPPES UpdateMay 20, 20262 updates tracked since enumeration
NPPES CertifiedMay 20, 2026
✔ NPI 1891934022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC 24679
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.
811 ALTOS OAKS DR, Los Altos, CA 94024
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Valley Chiropractic Office Of Rachel Frozenfar Dc Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Valley Chiropractic Office Of Rachel Frozenfar Dc PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Francesca Eszes
Chiropractic
NPI 1306656228
811 ALTOS OAKS DR STE 3
Los Altos, CA 94024
(805) 260-2060
Same address
Rachel Frozenfar, DC
Chiropractic
NPI 1003908997
811 ALTOS OAKS DR SUITE#3
Los Altos, CA 94024
(650) 941-4475
✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Valley Chiropractic Office Of Rachel Frozenfar Dc PC's NPI number?

The NPI number for Valley Chiropractic Office Of Rachel Frozenfar Dc PC is 1891934022. It was assigned to this organization in the NPPES registry on February 11, 2009.

Where is Valley Chiropractic Office Of Rachel Frozenfar Dc PC located?

Valley Chiropractic Office Of Rachel Frozenfar Dc PC is located at 811 Altos Oaks Dr Suite #3, Los Altos, CA 94024. The listed phone number is (650) 941-4475.

What is Valley Chiropractic Office Of Rachel Frozenfar Dc PC's specialty?

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

Is Valley Chiropractic Office Of Rachel Frozenfar Dc PC enrolled in Medicare?

Yes. Valley Chiropractic Office Of Rachel Frozenfar Dc PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Valley Chiropractic Office Of Rachel Frozenfar Dc PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Chiropractic, reassign their Medicare billing to Valley Chiropractic Office Of Rachel Frozenfar Dc PC. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Valley Chiropractic Office Of Rachel Frozenfar Dc PC was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.