GREGORY L. DAYTON RPH – NPI #1194828590
Pharmacist
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.
GREGORY DAYTON is a pharmacist located in SALEM, OR. NPPES has assigned the NPI number 1194828590 to GREGORY DAYTON on September 07, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 1835P1300X from the Health Care Provider Taxonomy code set, which is classified as Pharmacist, specializing in Psychiatric
The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for GREGORY DAYTON below.
NPI Profile for
GREGORY L. DAYTON
(about 20 years ago)
OREGON STATE HOSPITAL
SALEM, OR 97301 Phone: (503) 945-2800 Fax: (503) 947-1085
STATE OF OREGON OREGON STATE HOSPITAL IRS UNIT
SALEM, OR 97309-5016 Phone: (503) 945-2800 Fax:
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 1835P1300X - Pharmacist / Psychiatric (Primary) |
OR | 6371 |
| 183500000X - Pharmacist |
OR | 6371 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.