Katharine Mitchell, FNP
NPI 1871800615 · Family Nurse Practitioner · Portland, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Mitchell, FNP is a Family Nurse Practitioner provider in Portland, OR (NPI 1871800615).
Provider details
- NPI number
- 1871800615
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP60268388 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 82 | 14 |
| Sertraline Hcl | 72 | 16 |
| Quetiapine Fumarate | 66 | 17 |
| Levothyroxine Sodium | 58 | 12 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 53 | 11 |
| Lisinopril | 51 | 12 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (2)
- 101 Nw 12th Ave Ste 107Battle Ground, WA 98604-9141Phone: (360) 687-6650Fax: (360) 687-6669
- 1905 Se 164th AveVancouver, WA 98683-8937Phone: (360) 836-3396Fax: (360) 216-4422
Registry dates
- Enumerated
- 2010-08-31
- Last updated
- 2021-06-18
- Certified
- 2021-06-18
Frequently asked questions
- What is Katharine Mitchell's NPI number?
- Katharine Mitchell's National Provider Identifier (NPI) is 1871800615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Mitchell's specialty?
- Katharine Mitchell is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katharine Mitchell located?
- Katharine Mitchell's practice location on file with NPPES is 9155 Sw Barnes Rd, Portland, OR 97225-6625.
- What is Katharine Mitchell's phone number?
- The practice phone number listed in the NPPES registry for Katharine Mitchell is (503) 297-6334.
- Does Katharine Mitchell accept Medicare?
- Katharine Mitchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Mitchell's NPI active?
- Yes — Katharine Mitchell's NPI (1871800615) is active in the NPPES registry as of the last update on 2021-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.