CATHERINE A GRUENFELDER
NPI 1003765363
Dietitian, Registered in Denville, NJ

Q: What is Catherine Gruenfelder's NPI number?

The NPI number for Catherine Gruenfelder is 1003765363. It was assigned to this individual provider in the NPPES registry on January 28, 2026.

Q: What is Catherine Gruenfelder's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Active since January 28, 2026

25 POCONO RD, DENVILLE, NJ 07834(973) 625-7009 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Catherine A Gruenfelder NPPES

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

CATHERINE A GRUENFELDER (NPI 1003765363) is an individual dietitian, registered in Denville, New Jersey, licensed in New Jersey (1057367) and active in the NPI registry since January 2026. She is a graduate of Other (2014).

NPPES Registry Identity

NPI1003765363

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameCATHERINE A GRUENFELDER

Location Address25 POCONO RDDenville, NJ 07834-2954

Mailing Address66 Ford RdDenville, NJ 07834-1379 · (973) 983-1509

Phone(973) 625-7009

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJanuary 28, 2026

NPPES CertifiedJanuary 28, 2026

✔ NPI 1003765363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in NJ · 1057367

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

25 POCONO RD, Denville, NJ 07834

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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)

Catherine A Gruenfelder is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244706471

PECOS Enrollment IDI20260415003352

Other Providers at the Same Location NPPES 20

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

KRISTINA TOOHEY

Hospitalist

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 989-3085

JILL S YOUNG D.O

Specialist

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 625-6000

DR. SERAPHIM RIMARENKO MD

Pathology (Anatomic Pathology & Clinical Pathology)

25 POCONO RD, PATHOLOGY DEPARTMENT
DENVILLE, NJ 07834

Morris County (973) 625-6716

ARSHIYA SHABNAM

Student in an Organized Health Care Education/Training Program

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 365-4661

RINITA REDDI M.D.

Student in an Organized Health Care Education/Training Program

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 983-5583

DR. KINJAL MULUBHAI SOLANKI MD

Student in an Organized Health Care Education/Training Program

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 625-6000

DR. EVAN WALSH

Student in an Organized Health Care Education/Training Program

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 983-5583

EDWARD MARTIN SOLOMON M.D.

Radiology (Diagnostic Radiology)

25 POCONO RD
DENVILLE, NJ 07834

Morris County (973) 625-6650

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 Catherine Gruenfelder's NPI number?

The NPI number for Catherine Gruenfelder is 1003765363. It was assigned to this individual provider in the NPPES registry on January 28, 2026.

Where is Catherine Gruenfelder located?

Catherine Gruenfelder practices at 25 Pocono Rd, Denville, NJ 07834. The listed phone number is (973) 625-7009.

What is Catherine Gruenfelder's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Catherine Gruenfelder enrolled in Medicare?

Yes. Catherine Gruenfelder is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Catherine Gruenfelder was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.