Active NPI
Conrad Mascarenhas
- Addiction Psychiatry Physician
- New Haven, CT
National Provider Identifier
1720722101
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Psychiatry Physician
- License
- 83894
- Practice address
- 34 Park St
New Haven, CT 06519-1109 - Phone
- (301) 793-7753
- NPI assigned
- Apr 22, 2022
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Addiction Psychiatry Physician | 2084P0802X | 83894 | CT | Primary |
Addresses
Primary practice location
34 Park St
New Haven, CT 06519-1109
Mailing address
34 Park St
New Haven, CT 06519-1109
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260617000711 | CT | Practitioner - Psychiatry | 5193109692 |
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- University of Maryland School of Medicine, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
34 Park St
New Haven, CT 06519-1187
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1650585600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782086400000",
"number": "1720722101",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "34 PARK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065191109"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "34 PARK ST",
"city": "NEW HAVEN",
"state": "CT",
"postal_code": "065191109",
"telephone_number": "301-793-7753"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASCARENHAS",
"first_name": "CONRAD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-04-22",
"last_updated": "2026-06-22",
"certification_date": "2026-06-22",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0802X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Addiction Psychiatry",
"state": "CT",
"license": "83894",
"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 Jun 22, 2026; 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.