DR. DEAN RYAN LONGFELLOW PSY.D.
NPI 1609918853
Psychologist - Clinical in Sherwood, OR

Q: What is Dean Longfellow's NPI number?

The NPI number for Dean Longfellow is 1609918853. It was assigned to this individual provider in the NPPES registry on February 13, 2007.

Q: What is Dean Longfellow's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dean Longfellow was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since February 13, 2007

16850 SW GLENEAGLE DR, SUITE 16B, SHERWOOD, OR 97140(503) 703-1222 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Dean Ryan Longfellow Psy.d. NPPES

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

DR. DEAN RYAN LONGFELLOW PSY.D. (NPI 1609918853) is an individual clinical provider in Sherwood, Oregon, licensed in Oregon (988) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1609918853

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. DEAN RYAN LONGFELLOWCredential: PSY.D.

Location Address16850 SW GLENEAGLE DR, SUITE 16BSherwood, OR 97140-9639

Mailing Address16850 Sw Gleneagle Dr, Suite 16bSherwood, OR 97140-9639 · (503) 703-1222

Phone(503) 703-1222

Sole ProprietorYes

Enumeration DateFebruary 13, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1609918853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in OR · 988

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.

16850 SW GLENEAGLE DR, Sherwood, OR 97140

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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 Dean Longfellow's NPI number?

The NPI number for Dean Longfellow is 1609918853. It was assigned to this individual provider in the NPPES registry on February 13, 2007.

Where is Dean Longfellow located?

Dean Longfellow practices at 16850 SW Gleneagle Dr Suite 16B, Sherwood, OR 97140. The listed phone number is (503) 703-1222.

What is Dean Longfellow'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 Dean Longfellow was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.