DR. FRED KRELLENSTEIN, PSYCHOLOGIST, P.C.
NPI 1215293709
Psychologist - Clinical in Syosset, NY

Q: What is Dr. Fred Krellenstein, Psychologist, P.C.'s specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Active since April 09, 2012

8 HOLLY DR, SYOSSET, NY 11791(516) 921-3943(516) 682-8210 Get Directions Write a Review

NPPES record last updated: July 17, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Fred Krellenstein, Psychologist, P.c. NPPES

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

DR. FRED KRELLENSTEIN, PSYCHOLOGIST, P.C. (NPI 1215293709) is a healthcare organization registered as a clinical in Syosset, New York and active in the NPI registry since April 2012. The organization lists Fred Krellenstein, President, as its authorized official.

NPPES Registry Identity

NPI1215293709

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameDR. FRED KRELLENSTEIN, PSYCHOLOGIST, P.C.

Location Address8 HOLLY DRSyosset, NY 11791-5718

Mailing Address8 Holly DrSyosset, NY 11791-5718 · (516) 921-3943 · Fax (516) 682-8210

Phone(516) 921-3943

Fax(516) 682-8210

Organization SubpartNo

Authorized OfficialFred KrellensteinPresident · (516) 921-3943

Enumeration DateApril 9, 2012

Last NPPES UpdateJuly 17, 2013

✔ NPI 1215293709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

8 HOLLY DR, Syosset, NY 11791

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Other Identifiers 2

Medicare UPINV64501NY

Medicaid00872835NY

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

DR. FRED BARRY KRELLENSTEIN PSY.D.

Psychologist

8 HOLLY DR
SYOSSET, NY 11791

Nassau County (516) 921-3943

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 Dr. Fred Krellenstein, Psychologist, P.C.'s NPI number?

The NPI number for Dr. Fred Krellenstein, Psychologist, P.C. is 1215293709. It was assigned to this organization in the NPPES registry on April 9, 2012.

Where is Dr. Fred Krellenstein, Psychologist, P.C. located?

Dr. Fred Krellenstein, Psychologist, P.C. is located at 8 Holly Dr, Syosset, NY 11791. The listed phone number is (516) 921-3943.

What is Dr. Fred Krellenstein, Psychologist, P.C.'s specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Dr. Fred Krellenstein, Psychologist, P.C. was last updated on July 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.