Courtney Summerskill, A.R.N.P.
NPI 1528439916 · Family Nurse Practitioner · Lake Oswego, OR
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Summerskill, A.R.N.P. is a Family Nurse Practitioner provider in Lake Oswego, OR (NPI 1528439916).
Provider details
- NPI number
- 1528439916
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- A.R.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 201604868 (OR)
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 185 | 29 |
| Sertraline Hcl | 165 | 26 |
| Metoprolol Succinate | 165 | 21 |
| Levothyroxine Sodium | 160 | 26 |
| Atorvastatin Calcium | 157 | 23 |
| Omeprazole | 134 | 23 |
| Trazodone Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 1111 3rd Ave Ste 1100Seattle, WA 98101-3207Phone: (503) 509-6750Fax: (855) 893-2446
Registry dates
- Enumerated
- 2015-10-12
- Last updated
- 2024-11-26
- Certified
- 2024-11-26
Frequently asked questions
- What is Courtney Summerskill's NPI number?
- Courtney Summerskill's National Provider Identifier (NPI) is 1528439916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Summerskill's specialty?
- Courtney Summerskill is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Courtney Summerskill located?
- Courtney Summerskill's practice location on file with NPPES is 4550 Kruse Way Ste 125, Lake Oswego, OR 97035-3533.
- What is Courtney Summerskill's phone number?
- The practice phone number listed in the NPPES registry for Courtney Summerskill is (503) 509-6750.
- Does Courtney Summerskill accept Medicare?
- Courtney Summerskill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Summerskill's NPI active?
- Yes — Courtney Summerskill's NPI (1528439916) is active in the NPPES registry as of the last update on 2024-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.