Active NPI
Ecc Ancillary Services
- Anesthesiology Physician
- Hamden, CT
National Provider Identifier
1013899731
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- Legal business name
- ECC ANCILLARY SERVICES
- Practice address
- 2200 Whitney Ave Ste 380
Hamden, CT 06518-3602 - Phone
- (203) 281-3636
- Fax
- (203) 287-2934
- NPI assigned
- Jul 23, 2025
- Organization subpart
- No
Authorized official
NPPES NPI Registry- Name
- Dr. Michael Loiacono, D.O
- Title
- Medical Director
- Phone
- (203) 281-3636
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Practitioners 36
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Anesthesiology Physician
- New Britain, CT
- NPI 1043251168
Anesthesiology, CT
-
- Certified Registered Nurse Anesthetist
- Danbury, CT
- NPI 1720031313
CT
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20260223001990 | CT | Part B Supplier - Clinic/Group Practice | 5991286452 |
Receives reassigned benefits from 36 practitioners Practice locations: Guilford, CT; Hamden, CT |
National Provider Directory
National Provider DirectoryLocations
2200 Whitney Ave
Ste 380
Hamden, CT 06518
Phone (203) 281-3636
Specialties & licenses 1
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | Primary |
Addresses
NPPES NPI RegistryPrimary practice location
2200 Whitney Ave Ste 380
Hamden, CT 06518-3602
Mailing address
2200 Whitney Ave Ste 380
Hamden, CT 06518-3602
Phone (203) 281-3636
Other practice location 1
1591 Boston Post Rd Ste 206
Guilford, CT 06437-4335
Phone (203) 281-3636 ext. 5625
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Feb 9, 2026.
{
"created_epoch": "1753228800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1770595200000",
"number": "1013899731",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2200 WHITNEY AVE STE 380",
"city": "HAMDEN",
"state": "CT",
"postal_code": "065183602",
"telephone_number": "203-281-3636",
"fax_number": "203-287-2934"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2200 WHITNEY AVE STE 380",
"city": "HAMDEN",
"state": "CT",
"postal_code": "065183602",
"telephone_number": "203-281-3636",
"fax_number": "203-287-2934"
}
],
"practiceLocations": [
{
"address_1": "1591 Boston Post Rd Ste 206",
"address_purpose": "LOCATION",
"city": "Guilford",
"state": "CT",
"postal_code": "064374335",
"country_code": "US",
"telephone_number": "203-281-3636 x5625",
"fax_number": "203-287-2934",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "ECC ANCILLARY SERVICES",
"organizational_subpart": "NO",
"enumeration_date": "2025-07-23",
"last_updated": "2026-02-09",
"certification_date": "2026-02-09",
"status": "A",
"authorized_official_last_name": "LOIACONO",
"authorized_official_first_name": "MICHAEL",
"authorized_official_title_or_position": "MEDICAL DIRECTOR",
"authorized_official_telephone_number": "203-281-3636",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "D.O"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Anesthesiology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Hamden, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.