DR. JAMES MCQUISTON M.D.
NPI 1326071994
Emergency Medicine in Leonardtown, MD

Active since July 08, 2006PECOS Enrolled
25500 POINT LOOKOUT ROAD, LEONARDTOWN, MD 20650(301) 279-6550 Get Directions Write a Review

NPPES record last updated: August 16, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. James Mcquiston M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES MCQUISTON M.D. (NPI 1326071994) is an individual emergency medicine provider in Leonardtown, Maryland, licensed in Maryland (D62796) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326071994
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES MCQUISTONCredential: M.D.
Location Address25500 POINT LOOKOUT ROADLeonardtown, MD 20650
Mailing AddressPo Box 17564Baltimore, MD 21297-1564
Sole ProprietorNo
Enumeration DateJuly 8, 2006
Last NPPES UpdateAugust 16, 2007
✔ NPI 1326071994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D62796
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
25500 POINT LOOKOUT ROAD, Leonardtown, MD 20650

Other Identifiers 1

Medicare UPINH92592MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Mcquiston M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show James Mcquiston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
9901 MEDICAL CENTER DR
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 251 clinicians in this Medicare group
Internal Medicine
106 BOW ST
Elkton, MD 21921
  • Reassigned Medicare billing, District of Columbia enrollment
  • 347 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
61 services61 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
51 services50 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
14 services14 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20650 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Emergency Medicine
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Pharmacist
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Emergency Medicine
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Hospitalist
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Internal Medicine (Hematology & Oncology)
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Emergency Medicine
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650
Advanced Practice Midwife
25500 POINT LOOKOUT ROAD
LEONARDTOWN, MD 20650

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Mcquiston's NPI number?

The NPI number for James Mcquiston is 1326071994. It was assigned to this individual provider in the NPPES registry on July 8, 2006.

Where is James Mcquiston located?

James Mcquiston practices at 25500 Point Lookout Road, Leonardtown, MD 20650. The listed phone number is (301) 279-6550.

What is James Mcquiston's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is James Mcquiston enrolled in Medicare?

Yes. James Mcquiston is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Mcquiston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Mcquiston reassigns Medicare benefits to 2 organizations: Mep Health, LLC (Rockville, MD) and Usacs Integrated Acute Care Services Of Maryland, LLC (Elkton, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Mcquiston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Mcquiston was last updated on August 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.