Doctor profile · Federal record

Dr. Kathryn O'Brien

Family Nurse Practitioner (CMS: Nurse Practitioner) · Salem, MA

  • NPI 1811472426
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Highland Ave Ste 1
Salem, MA 019701783
(978) 741-9500

Credentials & registration

NPPES · NUCC
NPI registered
September 2018 — 8 yrs on file
Profile last updated
September 13, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN2318509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811472426. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
862
Distinct HCPCS
10
Medicare allowed
$79,397
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 508 386 $111
99213 Established patient office or other outpatient visit, 20-29 minutes 60 53 $78
81003 Automated urinalysis test 44 37 $2
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 43 43 $112
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 35 35 $13
U0002 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc 33 33 $50
99443 Telephone medical discussion with physician, 21-30 minutes 32 30 $111
G0008 Administration of influenza virus vaccine 22 22 $34
90662 Influenza vaccine split virus, preservative free 21 21 $72
87502 Detection test by nucleic acid for multiple types influenza virus 18 18 $94

In context: peer comparison

Among 7 peers in Salem Family Nurse Practitioner, average services per provider: 91. This provider delivers 9.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,792
Patients
817
Total drug cost
$79,450
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 280 129 $5,131
Lisinopril Generic 182 78 $2,032
Amlodipine Besylate Generic 173 73 $1,427
Omeprazole Generic 170 73 $3,729
Levothyroxine Sodium Generic 151 63 $2,061
Metoprolol Succinate Generic 136 63 $4,467
Simvastatin Generic 98 44 $1,306
Losartan Potassium Generic 94 45 $1,378
Fluticasone Propionate Generic 93 64 $1,813
Hydrochlorothiazide Generic 89 41 $659

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn O'Brien's medical specialty?
Dr. Kathryn O'Brien practices Family Nurse Practitioner in Salem, MA.
Where does Dr. Kathryn O'Brien practice?
Dr. Kathryn O'Brien practices at 400 Highland Ave Ste 1, Salem, MA 019701783. Office phone: 9787419500.
What is Dr. Kathryn O'Brien's NPI?
Dr. Kathryn O'Brien's National Provider Identifier (NPI) is 1811472426, issued by NPPES.
Does Dr. Kathryn O'Brien accept Medicare assignment?
Yes. Dr. Kathryn O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.