Individual provider Active NPI

Katherine Grace Macmillan, MD

  • Pediatric Critical Care Medicine Physician
  • Kansas City, MO
National Provider Identifier
1104340215
Registry record updated Mar 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Critical Care Medicine PhysicianTaxonomy code 2080P0203X
License
04-47698 Issued in KS
Practice address
2401 Gillham Rd
Kansas City, MO 64108-4619
Phone
(816) 234-3000
NPI assigned
Jul 31, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Critical Care Medicine Physician 2080P0203X 2023021133 MO
Pediatric Critical Care Medicine Physician 2080P0203X 04-47698 KS Primary

Addresses

Primary practice location

2401 Gillham Rd
Kansas City, MO 64108-4619

Mailing address

2401 Gillham Rd
Provider Enrollment Dept
Kansas City, MO 64108-4619
Phone (816) 701-5200

Other practice location 1

1800 Orleans St Ste 6302
Baltimore, MD 21287-0010
Phone (803) 722-0089

Other practice location 2

14 Medical Park, Ste 400
Children's Hospital Outpatient Center
Columbia, SC 29203
Phone (803) 434-6155

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in KS
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
I20230920000970 KS Practitioner - Pediatric Medicine 2163788316 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
04-47698KSMDPediatric Critical Care Medicine Physician
2023021133MOMDPediatric Critical Care Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ascension Via Christi Hospitals Wichita Inc. Pediatrics CurrentSince Aug 24, 2023 Accepting new patients
Ascension Via Christi Hospitals Wichita Inc. CurrentSince Aug 24, 2023 Accepting new patients
The Children's Mercy Hospital Past Accepting new patients
Ascension Via Christi Hospitals Wichita Inc. Past Accepting new patients
Via Christi Hospitals Wichita, Inc. Pediatrics Past Accepting new patients
The Children's Mercy Hospital Past Accepting new patients

Locations

929 N Saint Francis Ave
Wichita, KS 67214
Phone (316) 291-4396

3600 E Harry St
Wichita, KS 67218
Phone (316) 268-5426

Interoperability endpoints

  • Direct secure messaging: kmacmillan38112@direct.kennedykrieger.org
  • FHIR API: https://api.platform.athenahealth.com/20807/brand/4/csg/1/fhir/r4

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": "1501459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773446400000",
    "number": "1104340215",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2401 GILLHAM RD",
            "address_2": "PROVIDER ENROLLMENT DEPT",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641084619",
            "telephone_number": "816-701-5200",
            "fax_number": "816-302-9939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2401 GILLHAM RD",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641084619",
            "telephone_number": "816-234-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1800 Orleans St Ste 6302",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "803-722-0089",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14 Medical Park, Ste 400",
            "address_2": "Children's Hospital Outpatient Center",
            "address_purpose": "LOCATION",
            "city": "Columbia",
            "state": "SC",
            "postal_code": "29203",
            "country_code": "US",
            "telephone_number": "803-434-6155",
            "fax_number": "803-434-6979",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MACMILLAN",
        "first_name": "KATHERINE",
        "middle_name": "GRACE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-07-31",
        "last_updated": "2026-03-14",
        "certification_date": "2026-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "MO",
            "license": "2023021133",
            "primary": false
        },
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "KS",
            "license": "04-47698",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Kansas City, MO

Sources for this page

Verify at the official NPI Registry.