Karen Jane Ayers, ACNP
Acute Care Nurse Practitioner · Eureka, CA
Karen Jane Ayers, ACNP is an acute care nurse practitioner with a practice address in Eureka, California, and NPI 1730284332, issued on Sep 14, 2006. Check the license (California NP14212, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Jane Ayers
- Credential
- ACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- NP14212 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2316 Harrison Ave, Eureka, CA 95501
- Phone
- (707) 442-0478
- Enumerated
- Sep 14, 2006
- Record last updated
- Jul 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (707) 443-2725
- Medicaid ID
- RN442852 CA
- Medicare enrollment
- Enrolled (PECOS I20040127000831); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Also registered at 2316 Harrison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachel Zizza, RNFamily Nurse Practitioner1609251909
Verify Karen Jane Ayers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP14212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
324 Medicare Part D claims for 77 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 107 claims were for opioids.
Most prescribed
- Oxycodone Hcl39 claims
- Methadone Hcl38 claims
- Gabapentin33 claims
- Morphine Sulfate Er13 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: $11.59
1 payment: education; the largest payer was Gilead Sciences, Inc. The 10,984 providers of this specialty with any payment received $647.94 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
- Hospice OF Humboldt, Inc.Eureka, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Jane Ayers among 1,810 acute care nurse practitioner records in California
Karen Jane Ayers, ACNP is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2003 · median 2018 among the 993 with a school on file
- Record last updated2021 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in Eureka → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Oswald Jauwena, N.P.Eureka, CA 955011538349477
- Ann Robinson, ACNPWillits, CA 954901295073237
- Richard Schneider, NURSE PRACTITIONERWillits, CA 954901932748860
- Nhu Tran, ACNPWillits, CA 954901073899878
- Valerie Takes, RN ACNPSebastopol, CA 954721831443878
- Jessie Bugbee, NPGarberville, CA 955421710608336
- Seohee ChoSanta Rosa, CA 954051134411820
- Mark CovecSanta Rosa, CA 954051316162662
Common questions
What is Karen Jane Ayers, ACNP's NPI number?
Karen Jane Ayers, ACNP's National Provider Identifier (NPI) is 1730284332, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Jane Ayers, ACNP located?
The NPPES record lists a practice address at 2316 Harrison Ave, Eureka, CA, 95501. Phone: (707) 442-0478. Providers update this record themselves, so call before visiting.
How can I verify Karen Jane Ayers, ACNP's license?
NPPES lists California license number NP14212, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Jane Ayers, ACNP prescribe under Medicare Part D?
In 2024, Karen Jane Ayers, ACNP had 324 Medicare Part D claims for 77 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.