Individual provider Active NPI

Karim Hajjar

  • Emergency Medicine Physician
  • Baltimore, MD
National Provider Identifier
1700371812
Registry record updated Aug 8, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
D0093519 Issued in MD
Practice address
2000 W Baltimore St
Baltimore, MD 21223-1558
Phone
(410) 362-3000
NPI assigned
Jun 30, 2018
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 8, 2022

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X D0093519 MD Primary

Addresses

Primary practice location

2000 W Baltimore St
Baltimore, MD 21223-1558

Mailing address

2000 W Baltimore St
Baltimore, MD 21223-1558
Phone (410) 362-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220709000054 MD Practitioner - Emergency Medicine 4880942820 Reassigns benefits to 2 organizations
I20251119001703 DC Practitioner - Emergency Medicine 4880942820 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2017
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1249 Walter St SE
Washington, DC 20003-1449

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0093519MDMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Associates PA Emergency Medicine CurrentSince Sep 1, 2025 Accepting new patients
Mep Health, LLC Emergency Medicine CurrentSince Jun 30, 2022 Accepting new patients
Mep Observation Services LLC Emergency Medicine CurrentSince Jun 1, 2025 Accepting new patients
Emergency Medicine Associates P.a., P.C. Emergency Medicine Current Accepting new patients
Mep Observation Services LLC CurrentSince Jun 1, 2025 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Sep 1, 2025 Accepting new patients

Locations

2000 W Baltimore St
Baltimore, MD 21223
Phone (410) 362-3075

12500 Willowbrook Rd
Cumberland, MD 21502
Phone (240) 964-1255

5401 Old Court Rd
Randallstown, MD 21133
Phone (301) 337-2727

1701 N George Mason Dr
Arlington, VA 22205
Phone (703) 558-5000

Interoperability endpoints

  • Direct secure messaging: khajjar650141@direct.umm.edu

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1530316800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1659916800000",
    "number": "1700371812",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2000 W BALTIMORE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212231558",
            "telephone_number": "410-362-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2000 W BALTIMORE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212231558",
            "telephone_number": "410-362-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAJJAR",
        "first_name": "KARIM",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-06-30",
        "last_updated": "2022-08-08",
        "certification_date": "2022-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D0093519",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.