DR. DIANE C. HENNESSY D.C. CDN
NPI 1922170729
Nutritionist in Nanuet, NY

Active since November 15, 2006Accepts Medicare Assignment
5 GRANDVIEW AVE, NANUET, NY 10954(845) 623-3939(845) 624-5808 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Feb 6, 2025 (2 updates tracked since 2025).

About Dr. Diane C. Hennessy D.c. Cdn NPPES

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

DR. DIANE C. HENNESSY D.C. CDN (NPI 1922170729) is an individual nutritionist in Nanuet, New York, licensed in New York (004088) and active in the NPI registry since November 2006. She is a graduate of Palmer College Chiropractic - Davenport (1987).

NPPES Registry Identity

NPI1922170729
Entity TypeIndividualFemale
Primary Taxonomy133N00000X
Provider Legal NameDR. DIANE C. HENNESSYCredential: D.C. CDN
Location Address5 GRANDVIEW AVENanuet, NY 10954-2510
Mailing Address5 Grandview AveNanuet, NY 10954-2510 · (845) 623-3939 · Fax (845) 624-5808
Fax(845) 624-5808
Sole ProprietorYes
Medical School CMSPalmer College Chiropractic - DavenportGraduated 1987
Enumeration DateNovember 15, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2025
NPI 1922170729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNutritionistDietary & Nutritional Service Providers
Taxonomy Code133N00000X
License Licensed in NY · 004088
Definition

A specialist in adapting and applying food and nutrient knowledge to the solution of food and nutritional problems, the control of disease, and the promotion of health. Nutritionists perform research, instruct groups and individuals about nutritional requirements, and assist people in developing meal patterns that meet their nutritional needs; (2) A nutritionist is someone who has completed undergraduate and/or graduate training in the discipline of nutrition without necessarily meeting the academic and experience requirements to qualify for the Registered Dietitian designation.

Also ListedChiropractorTaxonomy 111N00000X · License X005349-1 (NY)

Other Identifiers 3

Other5967328NY · Aetna Ppo
OtherC0-5449-8NY · Workers Compensation
Other1014308NY · American Specialty Health

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Diane C. Hennessy D.c. Cdn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214064252
PECOS Enrollment IDI20100422000394

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, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
1,339 services128 patients

Other Providers at the Same Location NPPES 3

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

Chiropractor
5 GRANDVIEW AVE
NANUET, NY 10954
Chiropractor
5 GRANDVIEW AVE
NANUET, NY 10954
Chiropractor
5 GRANDVIEW AVE
NANUET, NY 10954

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 Diane Hennessy's NPI number?

The NPI number for Diane Hennessy is 1922170729. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Diane Hennessy located?

Diane Hennessy practices at 5 Grandview Ave, Nanuet, NY 10954. The listed phone number is (845) 623-3939.

What is Diane Hennessy's specialty?

The primary specialty registered for this NPI is Nutritionist with taxonomy code 133N00000X.

Is Diane Hennessy enrolled in Medicare?

Yes. Diane Hennessy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diane Hennessy accept?

Health plans from Providence Health Plan list Diane Hennessy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diane Hennessy was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.