Active NPI
Mary Therese Maslanka, R.D., L.D.N.
- Registered Dietitian
- Chicago, IL
National Provider Identifier
1285616326
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- Practice address
- 7447 W Talcott Ave
Chicago, IL 60631-3745 - Phone
- (773) 631-9520
- Fax
- (773) 631-9532
- NPI assigned
- Nov 15, 2005
- 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 | IL | Primary |
Addresses
Primary practice location
7447 W Talcott Ave
Chicago, IL 60631-3745
Mailing address
1621 N Oneida CT
Mount Prospect, IL 60056-1686
Phone (847) 297-8372
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 164000122 | IL | MD | Registered Dietitian |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1132012800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1285616326",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1621 N ONEIDA CT",
"city": "MOUNT PROSPECT",
"state": "IL",
"postal_code": "600561686",
"telephone_number": "847-297-8372",
"fax_number": "847-813-6082"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7447 W TALCOTT AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606313745",
"telephone_number": "773-631-9520",
"fax_number": "773-631-9532"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASLANKA",
"first_name": "MARY",
"middle_name": "THERESE",
"name_prefix": "Mrs.",
"credential": "R.D., L.D.N.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-15",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "IL",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chicago, IL
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.