Doctor profile · Federal record

Dr. John Nichols, PSY.D.

Clinical Psychologist · Psychologist · Belmont, MA

  • NPI 1952473647
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
113 Belmont St
Belmont, MA 024783603
(617) 484-1042
Mailing address
4 Rumford RD
Lexington, MA 024202209

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
March 30, 2010
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Massachusetts #4101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952473647. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
472
Distinct HCPCS
1
Medicare allowed
$43,584
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 472 15 $92

In context: peer comparison

Among 9 peers in this city , average services per provider: 187. This provider delivers 2.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nichols's medical specialty?
Dr. John Nichols practices Clinical Psychologist in Belmont, MA.
Where does Dr. John Nichols practice?
Dr. John Nichols practices at 113 Belmont St, Belmont, MA 024783603. Office phone: 6174841042.
What is Dr. John Nichols's NPI?
Dr. John Nichols's National Provider Identifier (NPI) is 1952473647, issued by NPPES.
What procedures does Dr. John Nichols commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.