Doctor profile · Federal record

Dr. Mary Lyons-Hunter, PSYD

Psychologist (CMS: Clinical Psychologist) · Chelsea, MA

  • NPI 1538140363
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
151 Everett Ave, MGH Chelsea Healthcare Ctr
Chelsea, MA 021501812
(617) 889-8515
fax (617) 889-8509
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Massachusetts #7904

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538140363. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
168
Distinct HCPCS
2
Medicare allowed
$12,896
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 112 14 $69
90834 Psychotherapy, 45 minutes 56 11 $92

In context: peer comparison

Among 1 peers in this city , average services per provider: 84. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Lyons-Hunter's medical specialty?
Dr. Mary Lyons-Hunter practices Psychologist in Chelsea, MA.
Where does Dr. Mary Lyons-Hunter practice?
Dr. Mary Lyons-Hunter practices at 151 Everett Ave, Chelsea, MA 021501812. Office phone: 6178898515.
What is Dr. Mary Lyons-Hunter's NPI?
Dr. Mary Lyons-Hunter's National Provider Identifier (NPI) is 1538140363, issued by NPPES.
Does Dr. Mary Lyons-Hunter accept Medicare assignment?
Yes. Dr. Mary Lyons-Hunter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Lyons-Hunter commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.