Doctor profile · Federal record

Dr. Karen Ayers, ACNP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Student in an Organized Health Care Education/Training Program · Eureka, CA

  • NPI 1730284332
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2316 Harrison Ave
Eureka, CA 95501
(707) 442-0478
fax (707) 443-2725
Additional location
720 Wood St
Eureka, CA 955014413
(707) 268-2990

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 25, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
California #NP14212
Medicaid
CA #RN442852

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730284332. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198
Distinct HCPCS
4
Medicare allowed
$27,291
HCPCS Description Services Patients Avg allowed
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 79 43 $159
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 69 32 $109
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 36 36 $173
99497 Advance care planning, first 30 minutes 14 14 $71

In context: peer comparison

Among 1 peers in this city , average services per provider: 49. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$12
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 1 $11.59

By nature of payment

Education
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
187
Patients
13
Total drug cost
$2,664
Drug Type Claims Patients Total cost
Gabapentin Generic 30 13 $459
Omeprazole Generic 23 0 $179
Methadone Hcl Generic 18 0 $147
Oxycodone Hcl Generic 18 0 $363
Metformin Hcl Generic 16 0 $86
Clopidogrel (Clopidogrel Bisulfate) Brand 15 0 $84
Glimepiride Generic 12 0 $83
Amlodipine Besylate Generic 11 0 $42
Aripiprazole Generic 11 0 $644
Carbamazepine Generic 11 0 $237

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Ayers's medical specialty?
Dr. Karen Ayers practices Acute Care Nurse Practitioner in Eureka, CA.
Where does Dr. Karen Ayers practice?
Dr. Karen Ayers practices at 2316 Harrison Ave, Eureka, CA 95501. Office phone: 7074420478.
What is Dr. Karen Ayers's NPI?
Dr. Karen Ayers's National Provider Identifier (NPI) is 1730284332, issued by NPPES.
Does Dr. Karen Ayers accept Medicare assignment?
Yes. Dr. Karen Ayers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Ayers commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Residence visit for new patient with high level of medical decision making (HCPCS 99345). Source: CMS Medicare Physician & Other Practitioners file.