Doctor profile · Federal record

Dr. Lynn Shaughnessy, PSY.D.

Clinical Psychologist · Tewksbury, MA

  • NPI 1790126449
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
365 East St, Tewksbury Hospital - Dmh Psychology
Tewksbury, MA 018761950
(978) 851-7321
fax (978) 851-1027

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Massachusetts #9687

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790126449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
596
Distinct HCPCS
5
Medicare allowed
$47,450
HCPCS Description Services Patients Avg allowed
96133 Evaluation of neuropsychological test, each additional hour 231 74 $80
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 175 39 $42
96132 Evaluation of neuropsychological test, first hour 77 75 $111
90791 Psychiatric diagnostic evaluation 74 73 $157
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 39 39 $40

In context: peer comparison

Among 1 peers in Tewksbury Clinical Psychologist, average services per provider: 119. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Lynn Shaughnessy's medical specialty?
Dr. Lynn Shaughnessy practices Clinical Psychologist in Tewksbury, MA.
Where does Dr. Lynn Shaughnessy practice?
Dr. Lynn Shaughnessy practices at 365 East St, Tewksbury, MA 018761950. Office phone: 9788517321.
What is Dr. Lynn Shaughnessy's NPI?
Dr. Lynn Shaughnessy's National Provider Identifier (NPI) is 1790126449, issued by NPPES.
Does Dr. Lynn Shaughnessy accept Medicare assignment?
Yes. Dr. Lynn Shaughnessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lynn Shaughnessy commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Administration of psychological or neuropsychological test by technician (HCPCS 96139); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.