Active NPI
Dawit Worku Kassa
- Obstetrics & Gynecology Physician
- Boston, MA
National Provider Identifier
1144011859
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 3018685
- Practice address
- 800 Washington Street
Boston, MA 02111 - Phone
- (617) 636-2229
- NPI assigned
- May 13, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 3018685 | MA | Primary |
Addresses
Primary practice location
800 Washington Street
Boston, MA 02111
Mailing address
800 Washington Street
Boston, MA 02111
Phone (617) 636-2229
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3018685 | MA | MD | Obstetrics & Gynecology Physician |
Interoperability endpoints
- dkassa136655@tuftsmedicine.direct-ci.com
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1747094400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762214400000",
"number": "1144011859",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "800 WASHINGTON STREET",
"city": "BOSTON",
"state": "MA",
"postal_code": "02111",
"telephone_number": "617-636-2229"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "800 WASHINGTON STREET",
"city": "BOSTON",
"state": "MA",
"postal_code": "02111",
"telephone_number": "617-636-2229"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KASSA",
"first_name": "DAWIT",
"middle_name": "WORKU",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-05-13",
"last_updated": "2025-11-04",
"certification_date": "2025-11-04",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "MA",
"license": "3018685",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Boston, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.