Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Grootendorst, DC

Individual provider Chiropractor · NPI 1780765073

Dr. John Grootendorst, DC is a Chiropractic in Madera, California. Graduated from Life Chiropractic College in 1999, 27 years ago. Practices with Grootendorst Chiropractic Professional Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Trained at
Life Chiropractic College
Licensed in
CA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

900 W Yosemite Ave
Madera, CA 93637-4555
Phone: (559) 674-8892
Fax: (559) 674-1389
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 26630 (CA)

Record details

NPI number1780765073
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESApril 16, 2020
Certification dateApril 16, 2020
Mailing address900 W Yosemite Ave, Madera, CA 93637-4555

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolLIFE CHIROPRACTIC COLLEGE
Graduated 1999 (27 years in practice)
Group practice Grootendorst Chiropractic Professional Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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