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JEFFREY JAMES KNOWLES MD
NPI 1376618694
Psychiatry & Neurology - Psychiatry in Salem, OR

Active since November 21, 2006
2600 CENTER ST NE, OREGON STATE HOSPITAL SALEM, SALEM, OR 97301(503) 945-2800 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Jeffrey James Knowles Md NPPES

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

JEFFREY JAMES KNOWLES MD (NPI 1376618694) is an individual psychiatry provider in Salem, Oregon, licensed in Oregon (MD22536) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1376618694
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJEFFREY JAMES KNOWLESCredential: MD
Location Address2600 CENTER ST NE, OREGON STATE HOSPITAL SALEMSalem, OR 97301
Mailing AddressPo Box 14900, State Of Oregon Irs InitSalem, OR 97309-5016 · (503) 945-9840
Phone(503) 945-2800
Sole ProprietorNo
Enumeration DateNovember 21, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1376618694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in OR · MD22536
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2600 CENTER ST NE, Salem, OR 97301
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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.

RACHAEL L DE LA TORRE PHD
Psychologist (Clinical)
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 945-2800
ROSAMUND M IRWIN MD
Family Medicine
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 945-2800
CORRIE LYNN GORDON LCSW
Social Worker (Clinical)
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 358-3611
DR. STEPHANIE VAN ORDEN PSYD
Psychologist
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 945-2800
KYLE BOWERS MD
Psychiatry & Neurology (Psychiatry)
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 945-2800
VICKI LYNN DUESTERHOEFT MS, RDN, LD
Dietitian, Registered
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 945-9826
CARLENE KALIHER SHULTZ PSYD
Psychologist
2600 CENTER ST NE, OREGON STATE HOSPITAL
SALEM, OR 97301
Marion County (503) 945-2800
MS. SHARLO D LAUKKANEN PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
2600 CENTER ST NE
SALEM, OR 97301
Marion County (503) 522-0836

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 Jeffrey Knowles's NPI number?

The NPI number for Jeffrey Knowles is 1376618694. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Jeffrey Knowles located?

Jeffrey Knowles practices at 2600 Center St NE Oregon State Hospital Salem, Salem, OR 97301. The listed phone number is (503) 945-2800.

What is Jeffrey Knowles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Jeffrey Knowles 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.