Karsi J. Grego, ARNP, RN
Nurse Practitioner · Port Angeles, WA
Karsi J. Grego, ARNP, RN is a nurse practitioner with a practice address in Port Angeles, Washington, and NPI 1699428326, issued on Feb 2, 2022. Check the license (Washington AP61225701, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karsi J. Grego
- Credential
- ARNP, RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- AP61225701 WA
Self-reported in NPPES; status is on the state search - Practice location
- 907 Georgiana St, Port Angeles, WA 98362
- Phone
- (360) 565-0999
- Enumerated
- Feb 2, 2022
- Record last updated
- Feb 2, 2022
- Fax
- (360) 565-0901
- Medicare enrollment
- Enrolled (PECOS I20220303001706); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 907 Georgiana St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rex Averill, MDUrology Physician1124054697
- Rachel Banach, MDFamily Medicine Physician1114544020
- Robert Barnes, PA-CPhysician Assistant1326555939
- David Bayne, M.D.Gastroenterology Physician1285082628
- Anthony BecherSurgical Physician Assistant1730798901
- Carleen Bensen, MDUrology Physician1164463204
Verify Karsi J. Grego in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61225701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average nurse practitioner in 2024
4,228 Medicare Part D claims for 332 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 219 claims were for opioids.
Most prescribed
- Atorvastatin Calcium290 claims
- Amlodipine Besylate194 claims
- Levothyroxine Sodium136 claims
- Losartan Potassium128 claims
- Lisinopril123 claims
- Omeprazole110 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Olympic Medical PhysiciansPort Angeles, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 nurse practitioner records list a practice address in Port Angeles
They are 21 of the 1,273 NPPES records with a practice address in Port Angeles, and 2,308 nurse practitioner records in Washington.
All 21 in Port Angeles → All 2,308 in Washington → Every provider in Port Angeles →
Other nurse practitioner records in Washington
- Arthuro AbbidoChelan Falls, WA1396412888
- Saada AbdelaSeattle, WA1881474716
- Glenda Abercrombie, ARNP, FNP-CYakima, WA1114001369
- Hemlal Acharya, ARNP PHMNP-BC, MSAuburn, WA1659146231
- Marja Adair, ARNPRichland, WA1659818318
- Nancy Adam, A.R.N.P.Poulsbo, WA1790835684
- James Adams, NPSpokane, WA1245828227
- Jessica Adams, ARNPBattle Ground, WA1316332463
- Pramoj Adhikari, DNP, RN, FNP - ( C).Everett, WA1396315446
- Girma AdmasuSpokane Valley, WA1568023547
Common questions
What is Karsi J. Grego, ARNP, RN's NPI number?
Karsi J. Grego, ARNP, RN's National Provider Identifier (NPI) is 1699428326, issued on Feb 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Karsi J. Grego, ARNP, RN located?
The NPPES record lists a practice address at 907 Georgiana St, Port Angeles, WA, 98362. Phone: (360) 565-0999. Providers update this record themselves, so call before visiting.
How can I verify Karsi J. Grego, ARNP, RN's license?
NPPES lists Washington license number AP61225701, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Karsi J. Grego, ARNP, RN prescribe under Medicare Part D?
In 2024, Karsi J. Grego, ARNP, RN had 4,228 Medicare Part D claims for 332 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Karsi J. Grego, ARNP, RN's MIPS final score?
The 2023 MIPS final score is 81 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.