Active NPI
Kenneth Wayne Donovan, M.D.
- Internal Medicine Physician
- Essex, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 042916
- Practice address
- 35 Saybrook Rd
Unit 6
Essex, CT 06426-1490 - Phone
- (860) 358-3725
- Fax
- (860) 358-3726
- NPI assigned
- Feb 17, 2006
- Last updated
- Dec 11, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 042916 | CT | Primary |
| Internal Medicine Physician | 207R00000X | MD12478 | RI |
Addresses
Primary practice location
35 Saybrook Rd
Unit 6
Essex, CT 06426-1490
Mailing address
28 Crescent St
Middletown, CT 06457-3654
Phone (860) 358-6000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT, RI
- 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
- Internal Medicine
- Education
- Tufts University School of Medicine, 1997
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
25 Wells St
Westerly, RI 02891-2922
Phone (401) 348-3325
35 Saybrook Rd
Suite 6
Essex, CT 06426-1490
Phone (860) 767-1200
365 Montauk Ave
New London, CT 06320-4700
Phone (860) 442-0711
Hospital & facility affiliations
- Yale New Haven Health - Health at Home
- Home Care Plus, Inc
- Hartford Healthcare at Home
- Masonicare Home Health and Hospice Inc
- Middlesex Health Care at Home & Hospice Program
- Middlesex Hospital
- Lawrence & Memorial Hospital
- Yale-New Haven Hospital
- Pendleton Rehabilitation and Nursing Center
- Essex Meadows Health Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 042916 | CT | MD | Internal Medicine Physician |
| MD12478 | RI | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| CS Pacs 3 Northeast, LLC | Current | Accepting new patients | |
| Ma Pacs 2 PC | Current | Accepting new patients | |
| Connecticut Post Acute Medical Services 1 PC | Current | Accepting new patients | |
| MHS Primary Care Inc | Internal Medicine | Current | Accepting new patients |
| Lawrence and Memorial Hospital, Inc. | Internal Medicine | Past | Accepting new patients |
| Rehabilitation Medical Associates, P.C. | Internal Medicine | Past | Accepting new patients |
| Sound Medical Associates, PC | Internal Medicine | Past | Accepting new patients |
| Hospital Internists of New London, LLC | Past | Accepting new patients | |
| Conncare Inc | Internal Medicine | Past | Accepting new patients |
Locations
35 Saybrook Rd
Ste 6
Essex, CT 06426
35 Saybrook Rd
Unit 6
Essex, CT 06426
Phone (860) 358-3725
111 Church St
Middletown, CT 06457
Phone (860) 347-3786
28 Crescent St
Middletown, CT 06457
Phone (860) 358-6000
31 Vauxhall St
New London, CT 06320
Phone (203) 789-1650
365 Montauk Ave
New London, CT 06320
Phone (860) 271-4364
365 Montauk Ave
Rm 4
New London, CT 06320
365 Montauk Ave
Rm 4512
New London, CT 06320
88 Clark Ln
Waterford, CT 06385
Phone (860) 442-0471
1643 NW 136th Ave
Ste 100
Sunrise, FL 33323
Phone (865) 500-1325
161 Post Rd
Westerly, RI 02891
Phone (401) 322-8081
Interoperability endpoints
- kdonovan100189@middlesexhealthprd.direct-ci.com
- kdonovan325684@direct.ynhh.org
Organizations & group practices 10
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.
-
dba Middlesex Health Concierge Medicine
- Internal Medicine Physician
- Essex, CT
- NPI 1750276655
-
- Hospitalist Physician
- Derby, CT
- NPI 1558890467
-
- Internal Medicine Physician
- Colchester, CT
- NPI 1700962040
-
- Hospitalist Physician
- New London, CT
- NPI 1659393775
-
dba Lawrence and Memorial Hospital
- General Acute Care Hospital
- New London, CT
- NPI 1073530879
Internal Medicine
-
- Internal Medicine Physician
- Braintree, MA
- NPI 1235183955
Hospital & facility affiliations 11
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Community Based Hospice Care Agency
- Wallingford, CT
- NPI 1225151822
-
dba Lawrence and Memorial Hospital
- General Acute Care Hospital
- New London, CT
- NPI 1073530879
-
dba Lawrence and Memorial Hospital
- General Acute Care Hospital
- New London, CT
- NPI 1700092459
-
- General Acute Care Hospital
- Middletown, CT
- NPI 1760454334
-
dba Home Care Plus South Central Connecticut
- Home Health Agency
- New Haven, CT
- NPI 1043217482
-
dba Home Care Plus Inc
- Home Health Agency
- Milford, CT
- NPI 1407932056
-
dba Home Care Plus, Community Home Health and Hospice
- Community Based Hospice Care Agency
- Guilford, CT
- NPI 1447606116
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1336139500
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1578778726
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140134400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765411200000",
"number": "1669447207",
"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": "064573654",
"telephone_number": "860-358-6000",
"fax_number": "860-358-8661"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "35 SAYBROOK RD",
"address_2": "UNIT 6",
"city": "ESSEX",
"state": "CT",
"postal_code": "064261490",
"telephone_number": "860-358-3725",
"fax_number": "860-358-3726"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DONOVAN",
"first_name": "KENNETH",
"middle_name": "WAYNE",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-17",
"last_updated": "2025-12-11",
"certification_date": "2025-12-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "042916",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "RI",
"license": "MD12478",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Essex, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 11, 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.