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GREGORY L DAYTON RPH
NPI 1194828590
Pharmacist - Psychiatric in Salem, OR

Active since September 07, 2006
2600 CENTER ST NE, OREGON STATE HOSPITAL, SALEM, OR 97301(503) 945-2800(503) 947-1085 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Gregory L Dayton Rph NPPES

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

GREGORY L DAYTON RPH (NPI 1194828590) is an individual psychiatric provider in Salem, Oregon, licensed in Oregon (6371) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1194828590
Entity TypeIndividualMale
Primary Taxonomy1835P1300X
Provider Legal NameGREGORY L DAYTONCredential: RPH
Location Address2600 CENTER ST NE, OREGON STATE HOSPITALSalem, OR 97301
Mailing AddressPo Box 14900, State Of Oregon Oregon State Hospital Irs UnitSalem, OR 97309-5016 · (503) 945-2800
Phone(503) 945-2800
Fax(503) 947-1085
Sole ProprietorNo
Enumeration DateSeptember 7, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1194828590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPharmacist · PsychiatricPharmacy Service Providers
Taxonomy Code1835P1300X
License✔ Licensed in OR · 6371
Definition
A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing care of patients with psychiatric illness by assessing and monitoring patients, recognizing drug-induced problems, and recommending appropriate treatment plans.
Also ListedPharmacistTaxonomy 183500000X · License 6371 (OR)
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 Gregory Dayton's NPI number?

The NPI number for Gregory Dayton is 1194828590. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Gregory Dayton located?

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

What is Gregory Dayton's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Psychiatric, with taxonomy code 1835P1300X.

When was this NPI record last updated?

The NPPES record for Gregory Dayton was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.