NPPES file of Aug 9, 2026

Karen G. Chase, FNP RN

Nurse Practitioner · Fortuna, CA

Karen G. Chase, FNP RN is a nurse practitioner with a practice address in Fortuna, California, and NPI 1891729406, issued on Jul 10, 2006. Check the license (California FNP22744, as entered in NPPES) with the California 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891729406
Name
Karen G. Chase
Credential
FNP RN
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
FNP22744 CA
4066P KY
0024165295 VA
1101505 VA
Self-reported in NPPES; status is on the state search
Practice location
3304 Renner Dr, Fortuna, CA 95540
Phone
(707) 725-4477
Enumerated
Jul 10, 2006
Record last updated
Aug 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(707) 725-9209
Medicaid IDs
1510227 TN
1891729406 VA
Medicare enrollment
Enrolled (PECOS I20181116000431); may accept Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3304 Renner Dr

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

  1. Elaine Bettiga, FNPFamily Nurse Practitioner1902810252
  2. Joan Butler, MSN, FNP-C, PA-CNurse Practitioner1407866080
  3. Lori Cutler, FNPFamily Nurse Practitioner1336393776
  4. Brent Dawson, P.A.Physician Assistant1548566276
  5. Ronald Jones, M.D.Orthopaedic Surgery Physician1740370238
  6. Mark Mowrey, RNRegistered Nurse1134586407

Verify Karen G. Chase in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license FNP22744
    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 California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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

3,553 Medicare Part D claims for 215 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 127 claims were for opioids.

  1. Karen Chase3,553
  2. Specialty average1,109

Most prescribed

  1. Levothyroxine Sodium147 claims
  2. Lisinopril141 claims
  3. Atorvastatin Calcium131 claims
  4. Amlodipine Besylate129 claims
  5. Omeprazole118 claims
  6. Albuterol Sulfate Hfa110 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): 83.2 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.

  1. Qualityout of 100 · 30% of the final score63.4
  2. Costout of 100 · 30%71.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Sutter Coast HospitalCrescent City, CA · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Karen G. Chase among 8,223 nurse practitioner records in California

Karen G. Chase, FNP RN is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2002 · median 2017 among the 3,425 with a school on file
  • Record last updated2014 · 45% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 nurse practitioner records list a practice address in Fortuna

They are 4 of the 173 NPPES records with a practice address in Fortuna, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Joan Butler, MSN, FNP-C, PA-CFortuna, CA 955401407866080
  2. Maureen Frank, FNPFortuna, CA 955401023183969
  3. Lexis GilletteFortuna, CA 955401821984311
  4. Judith Nash, RN FNPGarberville, CA 955421215001920
  5. Melody Pope, FNPCrescent City, CA 955311427503796
  6. Amber Vos, FNPCrescent City, CA 955311770841249
  7. Laura Black, F.N.P.Arcata, CA 955211851451579
  8. Haley DaviesArcata, CA 955211942858790

Common questions

What is Karen G. Chase, FNP RN's NPI number?

Karen G. Chase, FNP RN's National Provider Identifier (NPI) is 1891729406, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen G. Chase, FNP RN located?

The NPPES record lists a practice address at 3304 Renner Dr, Fortuna, CA, 95540. Phone: (707) 725-4477. Providers update this record themselves, so call before visiting.

How can I verify Karen G. Chase, FNP RN's license?

NPPES lists California license number FNP22744, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen G. Chase, FNP RN prescribe under Medicare Part D?

In 2024, Karen G. Chase, FNP RN had 3,553 Medicare Part D claims for 215 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Karen G. Chase, FNP RN's MIPS final score?

The 2023 MIPS final score is 83.2 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.