Karen Chase, FNP RN
Registered Nurse · Fortuna, CA
Karen Chase, FNP RN is a registered nurse 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.
- Name
- Karen Chase
- Credential
- FNP RN
- Primary taxonomy
- Registered Nurse 163W00000X
- 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
- Entity
- Type 1 · individual
Also registered at 3304 Renner Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elaine Bettiga, FNPFamily Nurse Practitioner1902810252
- Joan Butler, MSN, FNP-C, PA-CNurse Practitioner1407866080
- Lori Cutler, FNPFamily Nurse Practitioner1336393776
- Brent Dawson, P.A.Surgical Physician Assistant1548566276
- Ronald Jones, M.D.Specialist1740370238
- Mark Mowrey, RNRegistered Nurse1134586407
Verify Karen Chase in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license FNP22744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.3 times the Medicare Part D claims of the average registered nurse in 2024
3,553 Medicare Part D claims for 215 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 127 claims were for opioids.
Most prescribed
- Levothyroxine Sodium147 claims
- Lisinopril141 claims
- Atorvastatin Calcium131 claims
- Amlodipine Besylate129 claims
- Omeprazole118 claims
- 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 Medicare quality score for 2023: 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Sutter Coast HospitalCrescent City, CA · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
19 registered nurse records list a Fortuna practice address
They are 19 of the 173 NPPES records with a Fortuna practice address, and 16,593 registered nurse records in California.
All 19 in Fortuna → All 16,593 in California → Every provider in Fortuna →
Other registered nurse records in California
- Patricia A Onyango, RNModesto, CA1780424473
- Adelaida A Zavala, RNOntario, CA1235702804
- Anu Aaltonen-Bond, RNRancho Cordova, CA1972895696
- Victoria AardappelChico, CA1396148698
- Denise Aaron, RNSan Diego, CA1497345268
- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Bernadette Marie Abadilla, RNMillbrae, CA1154970697
- Brenda Abalos, RNNational City, CA1497064737
- Carla Abalos, RNUnion City, CA1669158523
- Caron Faustino Marti AbalosCerritos, CA1811603327
Common questions
What is Karen Chase, FNP RN's NPI number?
Karen 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 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 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 Chase, FNP RN prescribe under Medicare Part D?
In 2024, Karen Chase, FNP RN had 3,553 Medicare Part D claims for 215 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
What is Karen Chase, FNP RN's Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.