Individual provider Active NPI

Melissa Siedschlag, M.D.

  • Internal Medicine Physician
  • Washington, DC
National Provider Identifier
1093976516
Registry record updated Sep 22, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0095556 Issued in MD
Practice address
111 Michigan Ave NW
Washington, DC 20010
Phone
(202) 476-6151
NPI assigned
Jun 18, 2008
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 22, 2022

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 45989 AZ
Pediatrics Physician 208000000X MD041306 DC
Pediatric Infectious Diseases Physician 2080P0208X MD041306 DC
Internal Medicine Physician 207R00000X D0095556 MD Primary

Addresses

Primary practice location

111 Michigan Ave NW
Washington, DC 20010

Mailing address

11440 Commerce Park Dr Ste 602
Reston, VA 20191-1555
Phone (571) 375-8366

Other names 1

  • Dr. Melissa Del Castillo Former name

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
I20150423000769 DC Practitioner - Pediatric Medicine 5890937254 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0095556MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Children'S Hospital CurrentSince Mar 30, 2015 Accepting new patients
Children'S Hospital Pediatrics CurrentSince Mar 30, 2015 Accepting new patients
Children'S Hospital Current Accepting new patients

Locations

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

Organizations & group practices 3

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": "1213747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1663804800000",
    "number": "1093976516",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11440 COMMERCE PARK DR STE 602",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201911555",
            "telephone_number": "571-375-8366"
        },
        {
            "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": "20010",
            "telephone_number": "202-476-6151"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEDSCHLAG",
        "first_name": "MELISSA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-06-18",
        "last_updated": "2022-09-22",
        "certification_date": "2022-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "45989",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "DC",
            "license": "MD041306",
            "primary": false
        },
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "DC",
            "license": "MD041306",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0095556",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MELISSA",
            "last_name": "DEL CASTILLO",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.