Active NPI
Marilyn Marks Frey, PHD
- Forensic Psychologist
- Paris, IL
National Provider Identifier
1093853855
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Forensic Psychologist
- Practice address
- 723 E Court St
Paris, IL 61944 - Phone
- (217) 463-2002
- Fax
- (217) 463-7202
- NPI assigned
- Feb 2, 2007
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Neuropsychologist | 103G00000X | IL | ||
| Clinical Psychologist | 103TC0700X | IL | ||
| Forensic Psychologist | 103TF0200X | IL | Primary |
Addresses
Primary practice location
723 E Court St
Paris, IL 61944
Mailing address
723 E Court St
Paris, IL 61944
Phone (217) 463-2002
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)
- Enrolled
- Credentials
- Doctor of Philosophy
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1170374400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1093853855",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "723 E COURT ST",
"city": "PARIS",
"state": "IL",
"postal_code": "61944",
"telephone_number": "217-463-2002",
"fax_number": "217-463-7202"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "723 E COURT ST",
"city": "PARIS",
"state": "IL",
"postal_code": "61944",
"telephone_number": "217-463-2002",
"fax_number": "217-463-7202"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARKS FREY",
"first_name": "MARILYN",
"name_prefix": "Dr.",
"credential": "PHD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-02-02",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103G00000X",
"taxonomy_group": "",
"desc": "Clinical Neuropsychologist",
"state": "IL",
"license": null,
"primary": false
},
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "IL",
"license": null,
"primary": false
},
{
"code": "103TF0200X",
"taxonomy_group": "",
"desc": "Psychologist, Forensic",
"state": "IL",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Paris, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.