Active NPI
Elise Kathleen Gates, MD
- Surgical Oncology Physician
- Middletown, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Oncology Physician
- License
- 052083
- Practice address
- 540 Saybrook Rd
Middletown, CT 06457-4711 - Phone
- (860) 358-2850
- Fax
- (860) 358-8698
- NPI assigned
- May 21, 2007
- Last updated
- Aug 8, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 052083 | CT | |
| Surgery Physician | 208600000X | 19124 | NH | |
| Surgical Oncology Physician | 2086X0206X | 052083 | CT | Primary |
Addresses
Primary practice location
540 Saybrook Rd
Middletown, CT 06457-4711
Mailing address
28 Crescent St
Middletown, CT 06457-3650
Phone (860) 358-6000
Other practice location 1
185 Queen City Ave
Manchester, NH 03101
Phone (603) 668-3067
Other practice location 2
399 Farmington Ave
Suite 200
Farmington, CT 06032-1936
Phone (860) 246-2071
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT, NH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Other, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
540 Saybrook Rd
Middletown, CT 06457-4711
Phone (860) 358-5120
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Mastectomy | 16 |
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 052083 | CT | MD | Surgery Physician |
| 19124 | NH | MD | Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| MHS Primary Care, Inc | Current | Accepting new patients | |
| MHS Primary Care Inc. | Surgery | Current | Accepting new patients |
| MHS Primary Care Inc | Current | Accepting new patients |
Locations
14 Jones Hollow Rd
Ste 2
Marlborough, CT 06447
28 Crescent St
Middletown, CT 06457
Phone (860) 358-6000
540 Saybrook Rd
Middletown, CT 06457
Phone (860) 347-7491
250 Flat Rock Pl
Westbrook, CT 06498
Phone (860) 358-3640
Interoperability endpoints
- egates99804@middlesexhealthprd.direct-ci.com
Organizations & group practices 3
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.
-
- Family Medicine Physician
- Middletown, CT
- NPI 1336279058
-
dba Middlesex Health Concierge Medicine
- Internal Medicine Physician
- Essex, CT
- NPI 1750276655
-
dba Middlesex Hospital Surgical Alliance
- Surgery Physician
- Middletown, CT
- NPI 1740666312
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Middletown, CT
- NPI 1760454334
-
- General Acute Care Hospital
- Manchester, NH
- NPI 1902996028
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1179705600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754611200000",
"number": "1518176387",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "28 CRESCENT ST",
"city": "MIDDLETOWN",
"state": "CT",
"postal_code": "064573650",
"telephone_number": "860-358-6000",
"fax_number": "603-668-0164"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "540 SAYBROOK RD",
"city": "MIDDLETOWN",
"state": "CT",
"postal_code": "064574711",
"telephone_number": "860-358-2850",
"fax_number": "860-358-8698"
}
],
"practiceLocations": [
{
"address_1": "185 Queen City Ave",
"address_purpose": "LOCATION",
"city": "Manchester",
"state": "NH",
"postal_code": "03101",
"country_code": "US",
"telephone_number": "603-668-3067",
"fax_number": "603-668-0164",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "399 Farmington Ave",
"address_2": "Suite 200",
"address_purpose": "LOCATION",
"city": "Farmington",
"state": "CT",
"postal_code": "060321936",
"country_code": "US",
"telephone_number": "860-246-2071",
"fax_number": "860-674-4260",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GATES",
"first_name": "ELISE",
"middle_name": "KATHLEEN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-05-21",
"last_updated": "2025-08-08",
"certification_date": "2025-08-08",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "CT",
"license": "052083",
"primary": false
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "NH",
"license": "19124",
"primary": false
},
{
"code": "2086X0206X",
"taxonomy_group": "",
"desc": "Surgery, Surgical Oncology",
"state": "CT",
"license": "052083",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Middletown, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 8, 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.