Doctor profile · Federal record

Dr. John Maloney, MD

Psychiatry Physician (CMS: Psychiatry) · Washington, DC

  • NPI 1265459754
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2141 K St Nw, Ste 304
Washington, DC 200371810
(202) 496-9700
fax (202) 496-9777
Mailing address
Po Box 157
Ashton, MD 208610157

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 15, 2017
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
District of Columbia #8041
Medicaid
VA #0071-7327-0

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265459754. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
73
Distinct HCPCS
1
Medicare allowed
$4,425
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 73 11 $61

In context: peer comparison

Among 31 peers in Washington Psychiatry Physician, average services per provider: 89. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
119
Patients
0
Total drug cost
$8,307
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 61 0 $7,170
Clonazepam Generic 27 0 $211
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 19 0 $746
Gabapentin Generic 12 0 $181

Frequently asked questions

Auto-generated from federal data
What is Dr. John Maloney's medical specialty?
Dr. John Maloney practices Psychiatry Physician in Washington, DC.
Where does Dr. John Maloney practice?
Dr. John Maloney practices at 2141 K St Nw, Washington, DC 200371810. Office phone: 2024969700.
What is Dr. John Maloney's NPI?
Dr. John Maloney's National Provider Identifier (NPI) is 1265459754, issued by NPPES.
Does Dr. John Maloney accept Medicare assignment?
Yes. Dr. John Maloney accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Maloney commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.