Doctor profile · Federal record

Dr. Karen Davis, MSN

Nurse Practitioner · Nurse Practitioner · Hilo, HI

  • NPI 1275863870
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
275 Ponahawai St Ste 202
Hilo, HI 967203074
(808) 523-0445
fax (808) 356-3380
Additional location
1520 Liliha St Ste 601
Honolulu, HI 968173564
Mailing address
1520 Liliha St Ste 601
Honolulu, HI 968173564

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
April 15, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Hawaii #APRN-4417-0 · Hawaii #RN-116716-0

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275863870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
5
Medicare allowed
$15,392
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 75 37 $120
99214 Established patient office or other outpatient visit, 30-39 minutes 34 28 $80
99442 Telephone medical discussion with physician, 11-20 minutes 25 17 $53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 19 16 $67
99443 Telephone medical discussion with physician, 21-30 minutes 13 13 $81

In context: peer comparison

Among 3 peers in Hilo Nurse Practitioner, average services per provider: 55. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$254
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 4 $116.71
Ardelyx, INC. 3 $73.27
Bayer Healthcare Pharmaceuticals INC. 1 $26.92
Veloxis Pharmaceuticals, INC. 1 $23.79
Merck Sharp & Dohme LLC 1 $13.38

By nature of payment

Food and Beverage
$254

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$14,400
Drug Type Claims Patients Total cost
Valganciclovir Hcl Generic 13 0 $2,503
Atovaquone Generic 11 0 $11,897

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Davis's medical specialty?
Dr. Karen Davis practices Nurse Practitioner in Hilo, HI.
Where does Dr. Karen Davis practice?
Dr. Karen Davis practices at 275 Ponahawai St Ste 202, Hilo, HI 967203074. Office phone: 8085230445.
What is Dr. Karen Davis's NPI?
Dr. Karen Davis's National Provider Identifier (NPI) is 1275863870, issued by NPPES.
Does Dr. Karen Davis accept Medicare assignment?
Yes. Dr. Karen Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Davis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.