Doctor profile · Federal record

Dr. Katharine Larsson, PHD, RN, Cs

Psychiatric/Mental Health Clinical Nurse Specialist (CMS: Certified Clinical Nurse Specialist (CNS)) · Brookline, MA

  • NPI 1790817732
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 Beacon St Ste 2
Brookline, MA 024465587
(617) 608-0061
fax (617) 608-0061

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
364SP0808X — NUCC code
State license (1)
Massachusetts #181401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790817732. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
155
Distinct HCPCS
1
Medicare allowed
$11,170
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 155 15 $72

In context: peer comparison

Among 1 peers in this city , average services per provider: 155. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
0
Total drug cost
$1,573
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 22 0 $370
Gabapentin Generic 20 0 $146
Methylphenidate Hcl Generic 14 0 $305
Bupropion Xl (Bupropion Hcl) Brand 13 0 $597
Escitalopram Oxalate Generic 12 0 $155

Frequently asked questions

Auto-generated from federal data
What is Dr. Katharine Larsson's medical specialty?
Dr. Katharine Larsson practices Psychiatric/Mental Health Clinical Nurse Specialist in Brookline, MA.
Where does Dr. Katharine Larsson practice?
Dr. Katharine Larsson practices at 1101 Beacon St Ste 2, Brookline, MA 024465587. Office phone: 6176080061.
What is Dr. Katharine Larsson's NPI?
Dr. Katharine Larsson's National Provider Identifier (NPI) is 1790817732, issued by NPPES.
Does Dr. Katharine Larsson accept Medicare assignment?
Yes. Dr. Katharine Larsson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katharine Larsson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.