Doctor profile · Federal record

Dr. Katharine Berthiaume, CNP

Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Westwood, MA

  • NPI 1518694355
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Brigham Way
Westwood, MA 020902445
(781) 471-2200
Mailing address
55 Bradford Commons Ln
Braintree, MA 021848256

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LP2300X — NUCC code
State license (1)
Massachusetts #RN2278918

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518694355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
289
Distinct HCPCS
6
Medicare allowed
$25,980
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 145 125 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 61 61 $121
99214 Established patient office or other outpatient visit, 30-39 minutes 40 38 $119
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 15 15 $7
90662 Influenza vaccine split virus, preservative free 14 14 $72
G0008 Administration of influenza virus vaccine 14 14 $34

In context: peer comparison

Among 1 peers in this city , average services per provider: 48. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
12
Total drug cost
$811
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 18 12 $170
Hydrochlorothiazide Generic 15 0 $83
Losartan Potassium Generic 14 0 $217
Atorvastatin Calcium Generic 13 0 $207
Levothyroxine Sodium Generic 11 0 $133

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katharine Berthiaume's medical specialty?
Dr. Katharine Berthiaume practices Primary Care Nurse Practitioner in Westwood, MA.
Where does Dr. Katharine Berthiaume practice?
Dr. Katharine Berthiaume practices at 100 Brigham Way, Westwood, MA 020902445. Office phone: 7814712200.
What is Dr. Katharine Berthiaume's NPI?
Dr. Katharine Berthiaume's National Provider Identifier (NPI) is 1518694355, issued by NPPES.
Does Dr. Katharine Berthiaume accept Medicare assignment?
Yes. Dr. Katharine Berthiaume accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katharine Berthiaume commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.