Individual provider Active NPI

Colleen Michelle Wallace McKay, M.D.

  • Pediatrics Physician
  • Washington, DC
National Provider Identifier
1255627469
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
MD500003331 Issued in DC
Practice address
2041 Georgia Ave NW
Washington, DC 20060-0002
Phone
(202) 865-6100
NPI assigned
Jun 26, 2011
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 7, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208000000X MD500003331 DC Primary
Pediatrics Physician 208000000X 0116023955 VA
Pediatrics PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208000000X D78050 MD
Hospitalist PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208M00000X D78050 MD

Addresses

Primary practice location

2041 Georgia Ave NW
Washington, DC 20060-0002

Mailing address

2041 Georgia Ave NW
Washington, DC 20060-0002
Phone (504) 284-8837

Other names 1

  • Dr. Colleen Wallace Professional name

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
I20160411000194 MD Practitioner - Pediatric MedicinePractitioner - Hospitalist 3971801895 Reassigns benefits to 3 organizations
I20260530000514 DC Practitioner - Pediatric Medicine 3971801895 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
Howard University College of Medicine, 2011
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2041 Georgia Ave NW
Suite 3400
Washington, DC 20060-0448

PO Box
Boston, MA 02241

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD500003331DCMDPediatrics Physician
0116023955VAMDPediatrics Physician
D78050MDMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Community Medical Group, Inc. Multi-Specialty CurrentSince Jul 1, 2018 Accepting new patients
Baltimore Washington Emergency Physicians, Inc. Multi-Specialty CurrentSince Feb 27, 2016 Accepting new patients
Baltimore Medical System, Inc. Multi-Specialty CurrentSince Nov 9, 2023 Accepting new patients
University of Maryland Community Medical Group, Inc. Multi-Specialty CurrentSince Jul 1, 2018 Accepting new patients
Empower Pediatrics Pediatrics Current Accepting new patients

Locations

2540 Centreville Rd
Centreville, MD 21617
Phone (410) 758-4432

301 Hospital Dr
Glen Burnie, MD 21061
Phone (410) 787-4565

1000 Stewart Ave
Glen Burnie, MD 21061

14113 Baltimore Ave
#B
Laurel, MD 20707
Phone (301) 347-4737

14113 Baltimore Ave
Laurel, MD 20707

Interoperability endpoints

  • Direct secure messaging: colleen.wallace.p1@direct.bmsi.nextgenshare.com

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.

NPI Registry JSON

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

{
    "created_epoch": "1309046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1255627469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2041 GEORGIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200600002",
            "telephone_number": "504-284-8837"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2041 GEORGIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200600002",
            "telephone_number": "202-865-6100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALLACE MCKAY",
        "first_name": "COLLEEN",
        "middle_name": "MICHELLE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-06-26",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": "DC",
            "license": "MD500003331",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "VA",
            "license": "0116023955",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": "MD",
            "license": "D78050",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D78050",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "COLLEEN",
            "last_name": "WALLACE",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.