Active NPI
Katlyn Mayer, MD
- Pediatrics Physician
- Kansas City, MO
National Provider Identifier
1114663523
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 2025028690
- Practice address
- 2401 Gillham Rd
Kansas City, MO 64108-4619 - Phone
- (816) 234-3000
- Fax
- (816) 302-9939
- NPI assigned
- May 9, 2022
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 2025028690 | MO | 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
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2025028690 | MO | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1652054400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784505600000",
"number": "1114663523",
"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"
},
{
"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",
"fax_number": "816-302-9939"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAYER",
"first_name": "KATLYN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-05-09",
"last_updated": "2026-07-20",
"certification_date": "2026-07-20",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "MO",
"license": "2025028690",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Kansas City, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.