Individual provider Active NPI

Karin Hamilton, M.D.

  • Pediatrics Physician
  • Wauwatosa, WI
National Provider Identifier
1477766848
Registry record updated Apr 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
62367-20 Issued in WI
Practice address
800 N Mayfair Rd # 200
Wauwatosa, WI 53226-4241
Phone
(414) 262-8835
NPI assigned
May 8, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 62367-20 WI Primary

Addresses

Primary practice location

800 N Mayfair Rd # 200
Wauwatosa, WI 53226-4241

Mailing address

800 N Mayfair Rd Ste 200
Wauwatosa, WI 53226-6300
Phone (414) 262-8835

Other identifiers 1

IdentifierTypeStateIssuer
100038782MedicaidWI

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address karin.hamilton.1@33161.direct.athenahealth.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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
I20140619001822 WI Practitioner - Pediatric Medicine 9638393317

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
62367-20WIMDPediatrics Physician

Interoperability endpoints

  • Direct secure messaging: karin.hamilton.1@33161.direct.athenahealth.com

NPI Registry JSON

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

{
    "created_epoch": "1178582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776988800000",
    "number": "1477766848",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 N MAYFAIR RD STE 200",
            "city": "WAUWATOSA",
            "state": "WI",
            "postal_code": "532266300",
            "telephone_number": "414-262-8835"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 N MAYFAIR RD # 200",
            "city": "WAUWATOSA",
            "state": "WI",
            "postal_code": "532264241",
            "telephone_number": "414-262-8835"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMILTON",
        "first_name": "KARIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-08",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "62367-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100038782",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "karin.hamilton.1@33161.direct.athenahealth.com",
            "affiliation": "N",
            "endpointDescription": "Athena Direct Messaging Email Address",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Athena Direct Messaging Email Address",
            "address_1": "800 N Mayfair Rd # 200",
            "city": "Wauwatosa",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532264241",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Wauwatosa, WI

Sources for this page

Verify at the official NPI Registry.