Doctor profile · Federal record

Dr. James McQuiston, M.D.

Emergency Medicine Physician · Leonardtown, MD

  • NPI 1326071994
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25500 Point Lookout Road
Leonardtown, MD 20650
(301) 279-6550
Mailing address
Po Box 17564
Baltimore, MD 212971564

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 16, 2007
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #D62796

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326071994. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
4
Medicare allowed
$36,670
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 97 95 $189
99284 Emergency department visit with moderate level of medical decision making 71 69 $133
99291 Critical care, first 30-74 minutes 32 32 $230
99283 Emergency department visit with low level of medical decision making 20 20 $79

In context: peer comparison

Among 5 peers in this city , average services per provider: 86. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
35
Patients
34
Total drug cost
$187
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 20 19 $86
Ondansetron Odt (Ondansetron) Brand 15 15 $101

Frequently asked questions

Auto-generated from federal data
What is Dr. James McQuiston's medical specialty?
Dr. James McQuiston practices Emergency Medicine Physician in Leonardtown, MD.
Where does Dr. James McQuiston practice?
Dr. James McQuiston practices at 25500 Point Lookout Road, Leonardtown, MD 20650. Office phone: 3012796550.
What is Dr. James McQuiston's NPI?
Dr. James McQuiston's National Provider Identifier (NPI) is 1326071994, issued by NPPES.
What procedures does Dr. James McQuiston commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.