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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM GLEN JANESHAK D.C.
NPI 1962454058
Chiropractor in Yorba Linda, CA

Active since May 17, 2006
19762 YORBA LINDA BLVD, SUITE B, YORBA LINDA, CA 92886(714) 777-2500(714) 777-1829 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Glen Janeshak D.c. NPPES

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

DR. WILLIAM GLEN JANESHAK D.C. (NPI 1962454058) is an individual chiropractor in Yorba Linda, California, licensed in California (DC24426) and active in the NPI registry since May 2006. He is a graduate of Los Angeles College Of Chiropractic (1996).

NPPES Registry Identity

NPI1962454058
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. WILLIAM GLEN JANESHAKCredential: D.C.
Location Address19762 YORBA LINDA BLVD, SUITE BYorba Linda, CA 92886-2801
Mailing Address19762 Yorba Linda Blvd, Suite BYorba Linda, CA 92886-2801 · (714) 777-2500 · Fax (714) 777-1829
Phone(714) 777-2500
Fax(714) 777-1829
Sole ProprietorNo
Medical School CMSLos Angeles College Of ChiropracticGraduated 1996
Enumeration DateMay 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1962454058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC24426
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.
19762 YORBA LINDA BLVD, Yorba Linda, CA 92886
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Glen Janeshak D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9234321068
PECOS Enrollment IDI20101012000131

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.
454 services40 patients

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 William Janeshak's NPI number?

The NPI number for William Janeshak is 1962454058. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is William Janeshak located?

William Janeshak practices at 19762 Yorba Linda Blvd Suite B, Yorba Linda, CA 92886. The listed phone number is (714) 777-2500.

What is William Janeshak's specialty?

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

Is William Janeshak enrolled in Medicare?

Yes. William Janeshak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Janeshak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.