Active NPI
Ann A Gassman, MD
- Pediatric Adolescent Medicine Physician
- Belton, MO
National Provider Identifier
1194770883
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Adolescent Medicine Physician
- License
- R8P78
- Practice address
- 503 N Scott Ave
Belton, MO 64012-1730 - Phone
- (816) 322-4769
- Fax
- (816) 318-0900
- NPI assigned
- May 23, 2006
- 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 |
|---|---|---|---|---|
| Pediatric Adolescent Medicine Physician | 2080A0000X | R8P78 | MO | Primary |
Addresses
Primary practice location
503 N Scott Ave
Belton, MO 64012-1730
Mailing address
503 N Scott Ave
Belton, MO 64012-1730
Phone (816) 322-4769
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R8P78 | MO | MD | Pediatric Adolescent Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Children'S Mercy - Cass County Pediatrics & Adolescents | Adolescent Medicine | Past | Accepting new patients |
| Cass County Pediatrics | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Pediatrics Physician
- Belton, MO
- NPI 1760502454
-
- Pediatrics Physician
- Belton, MO
- NPI 1447784152
Adolescent Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148342400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1194770883",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "503 N SCOTT AVE",
"city": "BELTON",
"state": "MO",
"postal_code": "640121730",
"telephone_number": "816-322-4769",
"fax_number": "816-318-0900"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "503 N SCOTT AVE",
"city": "BELTON",
"state": "MO",
"postal_code": "640121730",
"telephone_number": "816-322-4769",
"fax_number": "816-318-0900"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GASSMAN",
"first_name": "ANN",
"middle_name": "A",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080A0000X",
"taxonomy_group": "",
"desc": "Pediatrics, Adolescent Medicine",
"state": "MO",
"license": "R8P78",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Belton, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.