Doctor profile · Federal record

Dr. Patrick Mahon, ACNPC-Ag, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Critical Care Medicine Registered Nurse · Acute Care Nurse Practitioner · Reisterstown, MD

  • NPI 1124610928
  • MIPS 73.9 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
202 Main St Ste 4
Reisterstown, MD 211361214
(410) 449-0182
fax (410) 297-0728
Additional location
2401 W Belvedere Ave
Baltimore, MD 212155270
(410) 601-9000

Credentials & registration

NPPES · NUCC
NPI registered
February 2021 — 5 yrs on file
Profile last updated
February 24, 2026
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Maryland #R224708

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124610928. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
120
Distinct HCPCS
2
Medicare allowed
$16,960
HCPCS Description Services Patients Avg allowed
99292 Critical care, each additional 30 minutes 61 39 $95
99291 Critical care, first 30-74 minutes 59 43 $189

In context: peer comparison

Among 3 peers in this city , average services per provider: 90. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Mahon's medical specialty?
Dr. Patrick Mahon practices Psychiatric/Mental Health Nurse Practitioner in Reisterstown, MD.
Where does Dr. Patrick Mahon practice?
Dr. Patrick Mahon practices at 202 Main St Ste 4, Reisterstown, MD 211361214. Office phone: 4104490182.
What is Dr. Patrick Mahon's NPI?
Dr. Patrick Mahon's National Provider Identifier (NPI) is 1124610928, issued by NPPES.
Does Dr. Patrick Mahon accept Medicare assignment?
Dr. Patrick Mahon does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Patrick Mahon commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99292); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.