Katherine Powell, RN, NP
NPI 1518165976 · Psychiatric/Mental Health Nurse Practitioner · Portland, OR
Katherine Powell, RN, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Portland, OR (NPI 1518165976).
Provider details
- NPI number
- 1518165976
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, NP
- Sex
- Female
- Sole proprietor
- No
- License
- 20125001 (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Zolpidem Tartrate | 31 |
| Risperidone | 27 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 26 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 25 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 19 |
| Mirtazapine | 17 |
| Chlorpromazine Hcl | 13 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-06
- Last updated
- 2016-04-11
Frequently asked questions
- What is Katherine Powell's NPI number?
- Katherine Powell's National Provider Identifier (NPI) is 1518165976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Powell's specialty?
- Katherine Powell is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Powell located?
- Katherine Powell's practice location on file with NPPES is 101 Sw Main St, Portland, OR 97204-3228.
- What is Katherine Powell's phone number?
- The practice phone number listed in the NPPES registry for Katherine Powell is (503) 278-5665.
- Is Katherine Powell's NPI active?
- Yes — Katherine Powell's NPI (1518165976) is active in the NPPES registry as of the last update on 2016-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.