Active NPI
Maria Gunaratnam, M.D.
- Psychiatry Physician
- Chicago, IL
National Provider Identifier
1871783936
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 036124330
- Practice address
- 820 S Damen Ave
Chicago, IL 60612-3728 - Phone
- (312) 569-8387
- NPI assigned
- Jul 25, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 036124330 | IL | Primary |
Addresses
Primary practice location
820 S Damen Ave
Chicago, IL 60612-3728
Mailing address
820 S Damen Ave
Chicago, IL 60612-3728
Phone (312) 569-8387
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036124330 | IL | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1185321600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754352000000",
"number": "1871783936",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "820 S DAMEN AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606123728",
"telephone_number": "312-569-8387"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "820 S DAMEN AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606123728",
"telephone_number": "312-569-8387"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUNARATNAM",
"first_name": "MARIA",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-07-25",
"last_updated": "2025-08-05",
"certification_date": "2025-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "IL",
"license": "036124330",
"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 Aug 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.