NPPES file of Aug 9, 2026

Courtney Renae Summerskill, A.R.N.P.

Family Nurse Practitioner · Lake Oswego, OR

Courtney Renae Summerskill, A.R.N.P. is a family nurse practitioner with a practice address in Lake Oswego, Oregon, and NPI 1528439916, issued on Oct 12, 2015. Check the license (Oregon 201604868, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528439916
Name
Courtney Renae Summerskill
Credential
A.R.N.P.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
201604868 OR
60605387 WA
Self-reported in NPPES; status is on the state search
Practice location
4550 Kruse Way Ste 125, Lake Oswego, OR 97035
Phone
(503) 509-6750
Enumerated
Oct 12, 2015
Record last updated
Nov 26, 2024
Fax
(855) 893-2446
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4550 Kruse Way Ste 125

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marilyn Dunning, FNPNurse Practitioner1518609122
  2. Jennifer Gault, FNP-C, MSN, RNNurse Practitioner1831654995
  3. Christopher Manuel, DNPFamily Nurse Practitioner1700401320
  4. Jared Martin, NPFamily Nurse Practitioner1336485259
  5. Tanya NeelyFamily Nurse Practitioner1760008908

Verify Courtney Renae Summerskill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 201604868
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

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3.6 times the Medicare Part D claims of the average family nurse practitioner in 2024

4,649 Medicare Part D claims for 180 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 84 claims were for opioids.

  1. Courtney Summerskill4,649
  2. Specialty average1,305

Most prescribed

  1. Quetiapine Fumarate185 claims
  2. Metoprolol Succinate165 claims
  3. Sertraline Hcl165 claims
  4. Levothyroxine Sodium160 claims
  5. Atorvastatin Calcium157 claims
  6. Omeprazole134 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Courtney Renae Summerskill among 2,384 family nurse practitioner records in Oregon

Courtney Renae Summerskill, A.R.N.P. is one of 2,384 family nurse practitioner records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 50% of them.

  • NPI issued2015 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 family nurse practitioner records list a practice address in Lake Oswego

They are 35 of the 1,377 NPPES records with a practice address in Lake Oswego, and 2,384 family nurse practitioner records in Oregon.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jamie Barbara, FNP-BC, RN, BSNLake Oswego, OR 970351134535180
  2. Susan Battle, FNPLake Oswego, OR 970351003064304
  3. Pamela Bosa, NPLake Oswego, OR 970351528130713
  4. Mary Brown, FNPLake Oswego, OR 970351285832360
  5. Natalie ChvirovLake Oswego, OR 970351134542913
  6. Janet DichterLake Oswego, OR 970351417384082
  7. Krista EspenshipLake Oswego, OR 970351083141196
  8. Manami Furuya, NPLake Oswego, OR 970351396935870

Common questions

What is Courtney Renae Summerskill, A.R.N.P.'s NPI number?

Courtney Renae Summerskill, A.R.N.P.'s National Provider Identifier (NPI) is 1528439916, issued on Oct 12, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Renae Summerskill, A.R.N.P. located?

The NPPES record lists a practice address at 4550 Kruse Way Ste 125, Lake Oswego, OR, 97035. Phone: (503) 509-6750. Providers update this record themselves, so call before visiting.

How can I verify Courtney Renae Summerskill, A.R.N.P.'s license?

NPPES lists Oregon license number 201604868, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Courtney Renae Summerskill, A.R.N.P. prescribe under Medicare Part D?

In 2024, Courtney Renae Summerskill, A.R.N.P. had 4,649 Medicare Part D claims for 180 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.