Active NPI
Mirissa Ray Weber, RDN
- Registered Dietitian
- Saint Louis, MO
National Provider Identifier
1831808203
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- Practice address
- 1465 S Grand Blvd
Saint Louis, MO 63104-1003 - Phone
- (314) 577-5387
- NPI assigned
- Nov 15, 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | Primary |
Addresses
Primary practice location
1465 S Grand Blvd
Saint Louis, MO 63104-1003
Mailing address
1465 S Grand Blvd
Saint Louis, MO 63104-1003
Other names 1
- Mirissa Ray Massey
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
Care Compare profile
Medicare Care Compare- Specialty
- Registered Dietitian Or Nutrition Professional
- Education
- Other, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
8301 B 5TH Ave NE
Seattle, WA 98115-4118
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dandelion Nutrition LLC | Dietitian, Registered | Past | Accepting new patients |
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1668470400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758844800000",
"number": "1831808203",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1465 S GRAND BLVD",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631041003"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1465 S GRAND BLVD",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631041003",
"telephone_number": "314-577-5387"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WEBER",
"first_name": "MIRISSA",
"middle_name": "RAY",
"credential": "RDN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-11-15",
"last_updated": "2025-09-26",
"certification_date": "2025-09-26",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MIRISSA",
"last_name": "MASSEY",
"middle_name": "RAY",
"credential": "RDN",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Saint Louis, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.