Active NPI
Emma Patterson
- Obstetrics Physician
- Boston, MA
National Provider Identifier
1275425365
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics Physician
- License
- 3021032
- Practice address
- 800 Washington St
Boston, MA 02111-1552 - Phone
- (617) 636-2229
- NPI assigned
- Jul 15, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics Physician | 207VX0000X | 3021032 | MA | Primary |
Addresses
Primary practice location
800 Washington St
Boston, MA 02111-1552
Mailing address
40 Free St Unit 308
Portland, ME 04101-5924
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260610001208 | MA | Order and Referring Only - Obstetrics/Gynecology | 2365913316 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3021032 | MA | MD | Obstetrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1752537600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775606400000",
"number": "1275425365",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "40 FREE ST UNIT 308",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041015924"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "800 WASHINGTON ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021111552",
"telephone_number": "617-636-2229"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PATTERSON",
"first_name": "EMMA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-07-15",
"last_updated": "2026-04-08",
"certification_date": "2026-04-08",
"status": "A"
},
"taxonomies": [
{
"code": "207VX0000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Obstetrics",
"state": "MA",
"license": "3021032",
"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 Apr 8, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.