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Provider Profile

Catherine A. Gruenfelder

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At a glance

About Catherine Gruenfelder

Listed in the NPI registry as a registered dietitian / nutritionist, Catherine A. Gruenfelder practices in Denville, NJ. NPI 1003765363 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 2014

Credentials & Licensing

NJ licenceAs reported to the NPI registry
No. 1057367As reported
NPINational Provider Identifier
1003765363Issued 2026

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentSometimes (reported per claim)
Medicare opt-outNo

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Catherine A. Gruenfelder specialize in?

Catherine A. Gruenfelder is a registered dietitian / nutritionist in Denville, NJ. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Catherine A. Gruenfelder located?

Catherine A. Gruenfelder is listed at 25 Pocono Rd, Denville, NJ 07834. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Catherine A. Gruenfelder's phone number?

The number on file is (973) 625-7009. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Catherine A. Gruenfelder?

Catherine A. Gruenfelder's National Provider Identifier is 1003765363. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Catherine A. Gruenfelder train?

Catherine A. Gruenfelder attended Other, graduating in 2014. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Catherine A. Gruenfelder have?

Catherine A. Gruenfelder has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.

CMS public data

Is Catherine A. Gruenfelder's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Catherine A. Gruenfelder. If this is you, claiming it is free.

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Guide.md listings do not constitute medical advice or an endorsement.

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