Katrina Stringer, MSN, FNP-C
Nurse Practitioner · Olympia, WA
Katrina Stringer, MSN, FNP-C is a nurse practitioner with a practice address in Olympia, Washington, and NPI 1124409198, issued on Jun 15, 2015. Check the license (Washington AP60571036, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrina Stringer
- Credential
- MSN, FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP60571036 WA
RN60559315 WA
Self-reported in NPPES; status is on the state search - Practice location
- 141 Lilly RD NE, Olympia, WA 98506
- Phone
- (360) 413-8880
- Enumerated
- Jun 15, 2015
- Record last updated
- Sep 24, 2024
- Fax
- (360) 810-3697
- Medicare enrollment
- Enrolled (PECOS I20150811004868); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,308 in Washington → Look up another NPI →
Also registered at 141 Lilly RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katrina Stringer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60571036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nurse practitioner in 2024
155 Medicare Part D claims for 63 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Hydroxyurea11 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.
Industry payments in 2024: $1,669.98
67 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Olympic Valley Clinic, PLLCElma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katrina Stringer among 2,308 nurse practitioner records in Washington
Katrina Stringer, MSN, FNP-C is one of 2,308 nurse practitioner records with a practice address in Washington. 72% 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 44% of them.
- NPI issued2015 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2018 among the 1,301 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 nurse practitioner records list a practice address in Olympia
They are 66 of the 5,034 NPPES records with a practice address in Olympia, and 2,308 nurse practitioner records in Washington.
All 2,308 in Washington → Every provider in Olympia → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Teresa Anders, A.R.N.P.Olympia, WA 985061508920505
- Jeannette Davis, ARNPOlympia, WA 985061043211915
- Lynne Dearing, ARNPOlympia, WA 985061538121157
- Joung Evans, ARNPOlympia, WA 985061689726317
- Ruby Franklin, A.R.N.P.Olympia, WA 985061851437263
- Mary Haw, ARNPOlympia, WA 985061083704621
- Martha Henderson, ARNPOlympia, WA 985061407907157
- Sandra Kalla, A.R.N.P.Olympia, WA 985061144371089
Common questions
What is Katrina Stringer, MSN, FNP-C's NPI number?
Katrina Stringer, MSN, FNP-C's National Provider Identifier (NPI) is 1124409198, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Stringer, MSN, FNP-C located?
The NPPES record lists a practice address at 141 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 413-8880. Providers update this record themselves, so call before visiting.
How can I verify Katrina Stringer, MSN, FNP-C's license?
NPPES lists Washington license number AP60571036, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Katrina Stringer, MSN, FNP-C prescribe under Medicare Part D?
In 2024, Katrina Stringer, MSN, FNP-C had 155 Medicare Part D claims for 63 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.