Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARC LEFFER M.D.
NPI 1184610545
Emergency Medicine in Clinton, MD

Active since September 21, 2005
7503 SURRATTS RD, CLINTON, MD 20735(301) 870-7001(301) 870-6697 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marc Leffer M.d. NPPES

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

DR. MARC LEFFER M.D. (NPI 1184610545) is an individual emergency medicine provider in Clinton, Maryland, licensed in Maryland (D0036538) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1184610545
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARC LEFFERCredential: M.D.
Location Address7503 SURRATTS RDClinton, MD 20735-3358
Mailing Address7503 Surratts RdClinton, MD 20735-3358 · (301) 870-7001 · Fax (301) 870-6697
Fax(301) 870-6697
Sole ProprietorNo
Enumeration DateSeptember 21, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1184610545 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 · D0036538
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.
7503 SURRATTS RD, Clinton, MD 20735

Other Providers at the Same Location NPPES 20

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

Pediatrics (Neonatal-Perinatal Medicine)
7503 SURRATTS RD
CLINTON, MD 20735
Speech-Language Pathologist
7503 SURRATTS RD
CLINTON, MD 20735
Pediatrics
7503 SURRATTS RD
CLINTON, MD 20735
Obstetrics & Gynecology
7503 SURRATTS RD
CLINTON, MD 20735
Physician Assistant
7503 SURRATTS RD, EMERGENCY DEPT, MEDSTAR SOUTHERN MARYLAND HOSPITAL
CLINTON, MD 20735
Nurse Anesthetist, Certified Registered
7503 SURRATTS RD
CLINTON, MD 20735
Nurse Practitioner (Critical Care Medicine)
7503 SURRATTS RD
CLINTON, MD 20735
Hospitalist
7503 SURRATTS RD
CLINTON, MD 20735

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 Marc Leffer's NPI number?

The NPI number for Marc Leffer is 1184610545. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is Marc Leffer located?

Marc Leffer practices at 7503 Surratts Rd, Clinton, MD 20735. The listed phone number is (301) 870-7001.

What is Marc Leffer's specialty?

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

When was this NPI record last updated?

The NPPES record for Marc Leffer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.