Individual provider Active NPI

Haley Elizabeth Bliss, MD

  • Pediatrics Physician
  • Washington, DC
National Provider Identifier
1639829914
Registry record updated Apr 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
D0103626 Issued in MD
Practice address
111 Michigan Ave NW
Washington, DC 20010-2916
Phone
(202) 476-3670
Fax
(202) 476-4741
NPI assigned
Mar 28, 2022
Last updated
Apr 30, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Pediatrics Physician 208000000X D0103626 MD Primary

Addresses

Primary practice location

111 Michigan Ave NW
Washington, DC 20010-2916

Mailing address

111 Michigan Ave NW
Washington, DC 20010-2916
Phone (202) 476-3670

Other practice location 1

19801 Observation Dr
Germantown, MD 20876-4070
Phone (301) 557-6000

Other practice location 2

1500 Forest Glen Rd
Silver Spring, MD 20910-1460
Phone (301) 754-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
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 1

Enrollment IDStateProvider typePAC IDDetails
I20250624000886 DC Practitioner - Pediatric Medicine 8729590971 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0103626MDMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Professional Services of Holy Cross Pediatrics CurrentSince Jul 1, 2025 Accepting new patients
Professional Services of Holy Cross CurrentSince Jul 1, 2025 Accepting new patients
Holy Cross Health, Inc Past Accepting new patients
Children's Hospital Past Accepting new patients

Locations

19801 Observation Dr
Germantown, MD 20876
Phone (301) 557-5928

1500 Forest Glen Rd
Silver Spring, MD 20910
Phone (301) 754-7230

Organizations & group practices 4

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

NPI Registry JSON

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

{
    "created_epoch": "1648425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745971200000",
    "number": "1639829914",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 MICHIGAN AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200102916",
            "telephone_number": "202-476-3670",
            "fax_number": "202-476-4741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 MICHIGAN AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200102916",
            "telephone_number": "202-476-3670",
            "fax_number": "202-476-4741"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19801 Observation Dr",
            "address_purpose": "LOCATION",
            "city": "Germantown",
            "state": "MD",
            "postal_code": "208764070",
            "country_code": "US",
            "telephone_number": "301-557-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1500 Forest Glen Rd",
            "address_purpose": "LOCATION",
            "city": "Silver Spring",
            "state": "MD",
            "postal_code": "209101460",
            "country_code": "US",
            "telephone_number": "301-754-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BLISS",
        "first_name": "HALEY",
        "middle_name": "ELIZABETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-28",
        "last_updated": "2025-04-30",
        "certification_date": "2025-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MD",
            "license": "D0103626",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.