Active NPI
Sunil D'Cunha, MD
- Internal Medicine Physician
- Waterbury, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 0033666
- Practice address
- 232 N Elm St
Waterbury, CT 06702-1516 - Phone
- (203) 756-8021
- NPI assigned
- Aug 3, 2005
- Last updated
- Jul 13, 2026
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 0033666 | CT | Primary |
Addresses
Primary practice location
232 N Elm St
Waterbury, CT 06702-1516
Mailing address
80 Phoenix Ave 201
Waterbury, CT 06702-1418
Phone (203) 756-8021
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 001336660 | Medicaid | CT |
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 CompareMerit-based Incentive Payment System (MIPS)
- Final score
- 94 of 100
- Quality
- 83.66
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 66.78
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0033666 | CT | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Charter Oak Health Center, Inc. | Current | Accepting new patients | |
| Charter Oak Health Center, Inc. | Current | Accepting new patients |
Locations
21 Grand St
Hartford, CT 06106
401 Flatbush Ave
Hartford, CT 06106
Interoperability endpoints
- sunil.d'cunha@xdr.hhchealthdirect.org
Ownership & related parties
All facility ownership & control disclosures 2
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Charter Oak Health Center, Inc | Federally qualified health center | Corporate Officer | Apr 1, 2018 |
| Staywell Health Center | Federally qualified health center | Corporate Director | Jul 1, 2004 |
Owned or controlled facilities with NPI records 3
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- Federally Qualified Health Center (FQHC)
- Hartford, CT
- NPI 1992750855
Corporate Officer
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Waterbury, CT
- NPI 1083022230
Corporate Director
-
- Family Medicine Physician
- Waterbury, CT
- NPI 1033366240
Corporate Director
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Federally Qualified Health Center (FQHC)
- Hartford, CT
- NPI 1992750855
-
- Federally Qualified Health Center (FQHC)
- Hartford, CT
- NPI 1841937679
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1123027200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1396746160",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "80 PHOENIX AVE 201",
"city": "WATERBURY",
"state": "CT",
"postal_code": "067021418",
"telephone_number": "203-756-8021",
"fax_number": "203-805-4912"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "232 N ELM ST",
"city": "WATERBURY",
"state": "CT",
"postal_code": "067021516",
"telephone_number": "203-756-8021"
}
],
"practiceLocations": [],
"basic": {
"last_name": "D'CUNHA",
"first_name": "SUNIL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-08-03",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "0033666",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "001336660",
"state": "CT"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Waterbury, CT
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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.