Doctor profile · Federal record

Dr. Karen O'Neil, CNP

Adult Health Nurse Practitioner · Scituate, MA

  • NPI 1659776144
  • 12 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5 Studley Royal RD
Scituate, MA 020662042
(781) 545-7368

Credentials & registration

NPPES · NUCC
NPI registered
October 2014 — 12 yrs on file
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Massachusetts #RN150071

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659776144. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,511
Distinct HCPCS
8
Medicare allowed
$65,767
HCPCS Description Services Patients Avg allowed
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 640 11 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 365 222 $119
36415 Insertion of needle into vein for collection of blood sample 335 198 $8
96372 Injection of drug or substance under skin or into muscle 47 12 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 44 37 $85
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $151
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 25 13 $64
99215 Established patient office or other outpatient visit, 40-54 minutes 25 25 $167

In context: peer comparison

Among 1 peers in Scituate Adult Health Nurse Practitioner, average services per provider: 188. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
705
Patients
261
Total drug cost
$109,454
Drug Type Claims Patients Total cost
Calcitriol Generic 142 54 $3,261
Torsemide Generic 85 37 $2,944
Furosemide Generic 71 35 $723
Amlodipine Besylate Generic 65 28 $710
Losartan Potassium Generic 49 16 $662
Lisinopril Generic 42 17 $490
Metoprolol Succinate Generic 42 15 $1,615
Famotidine Generic 40 19 $403
Allopurinol Generic 39 13 $598
Lokelma (Sodium Zirconium Cyclosilicate) Brand 37 13 $42,240

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen O'Neil's medical specialty?
Dr. Karen O'Neil practices Adult Health Nurse Practitioner in Scituate, MA.
Where does Dr. Karen O'Neil practice?
Dr. Karen O'Neil practices at 5 Studley Royal RD, Scituate, MA 020662042. Office phone: 7815457368.
What is Dr. Karen O'Neil's NPI?
Dr. Karen O'Neil's National Provider Identifier (NPI) is 1659776144, issued by NPPES.
What procedures does Dr. Karen O'Neil commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.