DR. HANS FREERICKS D.C.
NPI 1942326624
Chiropractor in Castro Valley, CA

Active since March 22, 2007
4035 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552(510) 247-1272(510) 881-1334 Get Directions Write a Review

NPPES record last updated: February 5, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Hans Freericks D.c. NPPES

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

DR. HANS FREERICKS D.C. (NPI 1942326624) is an individual chiropractor in Castro Valley, California, licensed in California (DC23807) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1942326624
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. HANS FREERICKSCredential: D.C.
Location Address4035 E CASTRO VALLEY BLVDCastro Valley, CA 94552-4840
Mailing Address4035 E Castro Valley BlvdCastro Valley, CA 94552-4840 · (510) 247-1272 · Fax (510) 881-1334
Fax(510) 881-1334
Sole ProprietorNo
Enumeration DateMarch 22, 2007
Last NPPES UpdateFebruary 5, 2019
✔ NPI 1942326624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC23807
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.
4035 E CASTRO VALLEY BLVD, Castro Valley, CA 94552

Other Identifiers 1

Other17546CA · Chiropractic License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hans Freericks D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Chiropractor
39284 PASEO PADRE PKWY
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment

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 4

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

Chiropractor
4035 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Chiropractor
4035 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Chiropractor
4035 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Chiropractor
4035 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552

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 Hans Freericks's NPI number?

The NPI number for Hans Freericks is 1942326624. It was assigned to this individual provider in the NPPES registry on March 22, 2007.

Where is Hans Freericks located?

Hans Freericks practices at 4035 E Castro Valley Blvd, Castro Valley, CA 94552. The listed phone number is (510) 247-1272.

What is Hans Freericks's specialty?

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

Is Hans Freericks enrolled in Medicare?

Yes. Hans Freericks is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hans Freericks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hans Freericks reassigns Medicare benefits to Hans Freericks Chiropractic Corporation (Fremont, 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 Hans Freericks'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 Hans Freericks was last updated on February 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.