Active NPI
Songjun William Li, MD, PHD
- Psychiatry Physician
- New Haven, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 82197
- Practice address
- 300 George St Ste 901
New Haven, CT 06511-6662 - Phone
- (203) 785-2095
- NPI assigned
- Mar 28, 2023
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Psychiatry Physician | 2084P0800X | 82197 | CT | Primary |
Addresses
Primary practice location
300 George St Ste 901
New Haven, CT 06511-6662
Mailing address
300 George St Ste 901
New Haven, CT 06511-6662
Phone (203) 785-2095
Other practice location 1
189 Storrs Rd
Mansfield Center, CT 06250-1683
Phone (860) 456-1311
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- Boston University School of Medicine, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
1290 Silas Deane Hwy
Hartford, CT 06109
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The William W Backus Hospital | Psychiatry | Current | Accepting new patients |
| The William W Backus Hospital | Current | Accepting new patients | |
| Natchaug Hospital, Inc. | Current | Accepting new patients | |
| William W Backus Hospital | Current | Accepting new patients | |
| Windham Community Memorial Hospital, Inc. | Current | Accepting new patients |
Locations
189 Storrs Rd
Mansfield Ctr, CT 06250
Phone (860) 456-1311
326 Washington St
Norwich, CT 06360
Phone (860) 701-0140
112 Mansfield Ave
Willimantic, CT 06226
Phone (830) 423-6410
Interoperability endpoints
- sli617572@direct.ynhh.org
Organizations & group practices 5
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.
-
- Psychiatric Hospital
- Mansfield Center, CT
- NPI 1295811321
-
- General Acute Care Hospital
- Norwich, CT
- NPI 1467517235
-
- General Acute Care Hospital
- Willimantic, CT
- NPI 1023191467
-
- Psychiatric Hospital Unit
- Norwich, CT
- NPI 1730243536
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1679961600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759276800000",
"number": "1326742040",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 GEORGE ST STE 901",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065116662",
"telephone_number": "203-785-2095"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 GEORGE ST STE 901",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065116662",
"telephone_number": "203-785-2095"
}
],
"practiceLocations": [
{
"address_1": "189 Storrs Rd",
"address_purpose": "LOCATION",
"city": "Mansfield Center",
"state": "CT",
"postal_code": "062501683",
"country_code": "US",
"telephone_number": "860-456-1311",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LI",
"first_name": "SONGJUN",
"middle_name": "WILLIAM",
"credential": "MD, PHD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2023-03-28",
"last_updated": "2025-10-01",
"certification_date": "2025-10-01",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CT",
"license": "82197",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in New Haven, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 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.
- 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.