Doctor profile · Federal record

Dr. David Mahony, PHD

Clinical Psychologist · Brooklyn, NY

  • NPI 1649226069
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
331 Leonard St, Ste 1F
Brooklyn, NY 112112309
(718) 668-1919

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 25, 2018
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
New York #013606

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649226069. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
4
Medicare allowed
$27,862
HCPCS Description Services Patients Avg allowed
96131 Evaluation of psychological test, each additional hour 138 46 $93
96130 Evaluation of psychological test, first hour 46 46 $131
96136 Administration of psychological or neuropsychological test, first 30 minutes 46 46 $48
90791 Psychiatric diagnostic evaluation 40 40 $169

In context: peer comparison

Among 33 peers in this city , average services per provider: 208. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. David Mahony's medical specialty?
Dr. David Mahony practices Clinical Psychologist in Brooklyn, NY.
Where does Dr. David Mahony practice?
Dr. David Mahony practices at 331 Leonard St, Brooklyn, NY 112112309. Office phone: 7186681919.
What is Dr. David Mahony's NPI?
Dr. David Mahony's National Provider Identifier (NPI) is 1649226069, issued by NPPES.
Does Dr. David Mahony accept Medicare assignment?
Yes. Dr. David Mahony accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Mahony commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of psychological test, each additional hour (HCPCS 96131); Evaluation of psychological test, first hour (HCPCS 96130); Administration of psychological or neuropsychological test (HCPCS 96136). Source: CMS Medicare Physician & Other Practitioners file.