Individual provider Active NPI

Madeline Nicole Kaklis, APRN

  • Nurse Practitioner
  • Washington, DC
National Provider Identifier
1821804659
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
NP500022670 Issued in DC
Practice address
106 Irving St NW Ste 4100
Washington, DC 20010-2971
Phone
(202) 726-0941
Fax
(301) 593-9036
NPI assigned
Dec 6, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X NP500022670 DC Primary
Nurse Practitioner 363L00000X APRN11036409 FL

Addresses

Primary practice location

106 Irving St NW Ste 4100
Washington, DC 20010-2971

Mailing address

PO Box 749495
Atlanta, GA 30374-9495
Phone (855) 963-2100

Other practice location 1

19520 Doctors Dr
Germantown, MD 20874-5200
Phone (301) 593-9035

Other practice location 2

4103 14th Ave W
Bradenton, FL 34205-1512
Phone (941) 932-5808

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250203002213 DC Practitioner - Nurse Practitioner 3870023062 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
American Oncology Partners PAGroup PAC ID 0042569758, 377 clinicians

Practice addresses (Care Compare)

106 Irving St NW
Suite 4100
Washington, DC 20010-2971
Phone (202) 726-0941

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
NP500022670DCMDNurse Practitioner
APRN11036409FLMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
American Oncology Partners PA Nurse Practitioner CurrentSince Feb 10, 2025 Accepting new patients

Locations

106 Irving St NW
Ste 4100
Washington, DC 20010
Phone (202) 726-0941

19520 Doctors Dr
Germantown, MD 20874
Phone (240) 912-7645

Organizations & group practices 1

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": "1733443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1821804659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 749495",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303749495",
            "telephone_number": "855-963-2100",
            "fax_number": "813-321-1296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "106 IRVING ST NW STE 4100",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200102971",
            "telephone_number": "202-726-0941",
            "fax_number": "301-593-9036"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19520 Doctors Dr",
            "address_purpose": "LOCATION",
            "city": "Germantown",
            "state": "MD",
            "postal_code": "208745200",
            "country_code": "US",
            "telephone_number": "301-593-9035",
            "fax_number": "301-593-9036",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4103 14th Ave W",
            "address_purpose": "LOCATION",
            "city": "Bradenton",
            "state": "FL",
            "postal_code": "342051512",
            "country_code": "US",
            "telephone_number": "941-932-5808",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAKLIS",
        "first_name": "MADELINE",
        "middle_name": "NICOLE",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-12-06",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "DC",
            "license": "NP500022670",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "FL",
            "license": "APRN11036409",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.