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

Dr. Diane C. Hennessy, DC, CDN

Individual provider Chiropractor · NPI 1922170729

Dr. Diane C. Hennessy, DC, CDN is a Chiropractic in Nanuet, New York. Graduated from Palmer College Chiropractic - Davenport in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
39
Trained at
Palmer College Chiropractic - Davenport
Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

5 Grandview Ave
Nanuet, NY 10954-2510
Phone: (845) 623-3939
Fax: (845) 624-5808
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X · Licence 004088 (NY)
Chiropractor Taxonomy 111N00000X · Licence X005349-1 (NY)

Record details

NPI number1922170729
Entity typeIndividual (Type 1)
GenderFemale
Credentials DC , CDN
Sole proprietorYes
NPI enumeratedNovember 15, 2006
Last updated in NPPESSeptember 11, 2025
Certification dateFebruary 6, 2025

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolPALMER COLLEGE CHIROPRACTIC - DAVENPORT
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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