Ruth Maxwell, FNP
NPI 1558770149 · Family Nurse Practitioner · Portland, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Maxwell, FNP is a Family Nurse Practitioner provider in Portland, OR (NPI 1558770149).
Provider details
- NPI number
- 1558770149
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 201393635NP-PP (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
11 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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 201 | 60 |
| Lisinopril | 148 | 41 |
| Gabapentin | 126 | 25 |
| Amlodipine Besylate | 123 | 38 |
| Losartan Potassium | 84 | 28 |
| Fluticasone Propionate | 66 | 18 |
| Omeprazole | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-07
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Ruth Maxwell's NPI number?
- Ruth Maxwell's National Provider Identifier (NPI) is 1558770149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Maxwell's specialty?
- Ruth Maxwell is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ruth Maxwell located?
- Ruth Maxwell's practice location on file with NPPES is 3653 Se 34th Ave, Portland, OR 97202-3034.
- What is Ruth Maxwell's phone number?
- The practice phone number listed in the NPPES registry for Ruth Maxwell is (503) 988-5140.
- Does Ruth Maxwell accept Medicare?
- Ruth Maxwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Maxwell's NPI active?
- Yes — Ruth Maxwell's NPI (1558770149) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.