Active NPI
Sebastiano Didato, M.D.
- Vascular Surgery Physician
- Leominster, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Vascular Surgery Physician
- License
- 17558
- Practice address
- 114 Merriam Ave Ste 101
Leominster, MA 01453-3175 - Phone
- (978) 534-3399
- NPI assigned
- Jan 16, 2007
- Last updated
- Dec 4, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 241680 | MA | |
| Surgery Physician | 208600000X | 17558 | NH | |
| Vascular Surgery Physician | 2086S0129X | 17558 | NH | Primary |
Addresses
Primary practice location
114 Merriam Ave Ste 101
Leominster, MA 01453-3175
Mailing address
114 Merriam Ave Ste 101
Leominster, MA 01453-3175
Phone (978) 534-3399
Other practice location 1
246 Pleasant St
Suite 205
Concord, NH 03301-2548
Phone (603) 224-0584
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- 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 Compare- Specialty
- Vascular Surgery
- Education
- Other, 2006
- Medicare assignment
- May accept Medicare assignment
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
114 Merriam Ave
Suite 101
Leominster, MA 01453-3175
Phone (978) 534-3399
Hospital & facility affiliations
- Umass Memorial Healthalliance Hospitals
- Emerson Hospital -
- Heywood Hospital -
- Athol Memorial Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Varicose vein removal | 90 |
| Leg revascularization (restoring blood flow) | 19 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emerson Hospital | Current | Accepting new patients | |
| Vascular Care Group LLC | Vascular Surgery | Current | Accepting new patients |
| Stephen J. Hoenig, MD, PC | Vascular Surgery | Current | Accepting new patients |
Locations
86 Baker Avenue Ext
Ste 307
Concord, MA 01742
Phone (508) 366-7707
85 Lincoln St
Ste T4002
Framingham, MA 01702
Phone (508) 250-0087
50 Memorial Dr
Ste 112
Leominster, MA 01453
Phone (978) 534-3179
214 Charlton Rd
Sturbridge, MA 01566
Phone (508) 556-0959
21 Eastern Ave
Ste 3
Worcester, MA 01605
Phone (508) 556-0223
Interoperability endpoints
- didato.sebastiano.epho@direct.partners.masshiway.net
- sebastiano.didato.1@2915.direct.athenahealth.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.
-
- Vascular Surgery Physician
- Hyannis, MA
- NPI 1538775481
-
- Vascular Surgery Physician
- Leominster, MA
- NPI 1578561569
-
- General Acute Care Hospital
- Concord, MA
- NPI 1467587881
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Athol, MA
- NPI 1336120047
-
- General Acute Care Hospital
- Concord, MA
- NPI 1922103357
-
dba Heywood Hospital
- General Acute Care Hospital
- Gardner, MA
- NPI 1205823879
-
- General Acute Care Hospital
- Leominster, MA
- NPI 1013995133
-
- Psychiatric Hospital Unit
- Clinton, MA
- NPI 1285171934
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1168905600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764806400000",
"number": "1356492474",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "114 MERRIAM AVE STE 101",
"city": "LEOMINSTER",
"state": "MA",
"postal_code": "014533175",
"telephone_number": "978-534-3399"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "114 MERRIAM AVE STE 101",
"city": "LEOMINSTER",
"state": "MA",
"postal_code": "014533175",
"telephone_number": "978-534-3399"
}
],
"practiceLocations": [
{
"address_1": "246 Pleasant St",
"address_2": "Suite 205",
"address_purpose": "LOCATION",
"city": "Concord",
"state": "NH",
"postal_code": "033012548",
"country_code": "US",
"telephone_number": "603-224-0584",
"fax_number": "603-225-5769",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DIDATO",
"first_name": "SEBASTIANO",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-01-16",
"last_updated": "2025-12-04",
"certification_date": "2025-12-04",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MA",
"license": "241680",
"primary": false
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "NH",
"license": "17558",
"primary": false
},
{
"code": "2086S0129X",
"taxonomy_group": "",
"desc": "Surgery, Vascular Surgery",
"state": "NH",
"license": "17558",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Leominster, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 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.