Active NPI
Grace Muricken Thundiyil, M.D
- Psychiatry Physician
- Rockford, IL
National Provider Identifier
1184614026
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- Practice address
- 4402 N Main St
Rockford, IL 61103-1278 - Phone
- (815) 987-7032
- Fax
- (815) 987-7670
- NPI assigned
- Oct 23, 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | IL | Primary |
Addresses
Primary practice location
4402 N Main St
Rockford, IL 61103-1278
Mailing address
3619 Stubai TRL
Rockford, IL 61114-7336
Phone (815) 987-7032
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 |
|---|---|---|---|
| 036056595 | IL | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130025600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1184614026",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3619 STUBAI TRL",
"city": "ROCKFORD",
"state": "IL",
"postal_code": "611147336",
"telephone_number": "815-987-7032",
"fax_number": "815-987-7670"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4402 N MAIN ST",
"city": "ROCKFORD",
"state": "IL",
"postal_code": "611031278",
"telephone_number": "815-987-7032",
"fax_number": "815-987-7670"
}
],
"practiceLocations": [],
"basic": {
"last_name": "THUNDIYIL",
"first_name": "GRACE",
"middle_name": "MURICKEN",
"name_prefix": "Dr.",
"credential": "M.D",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-10-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "IL",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Rockford, 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.