Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John R. Gehnrich, DC

Individual provider Chiropractor · NPI 1710191093

Dr. John R. Gehnrich, DC is registered under Chiropractic in Rockville Centre, New York. Graduated from Logan College of Chiropractic in 1997, 29 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
29
Trained at
Logan College of Chiropractic
Licensed in
NY
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

25 S Park Ave
Rockville Centre, NY 11570-5214 Not confirmed with CMS for 19 years — call before visiting
Phone: (516) 536-6000
Fax: (516) 536-6100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 008857 (NY)

Record details

NPI number1710191093
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedMay 9, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLOGAN COLLEGE OF CHIROPRACTIC
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Rockville Centre