Active NPI
Emily Min Coan, OD
- Optometrist
- Boston, MA
National Provider Identifier
1679460240
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 8414
- Practice address
- 243 Charles St
Boston, MA 02114-3096 - Phone
- (310) 351-7482
- NPI assigned
- Jun 18, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 36171 | CA | |
| Optometrist | 152W00000X | 8414 | MA | Primary |
Addresses
Primary practice location
243 Charles St
Boston, MA 02114-3096
Mailing address
243 Charles St
Boston, MA 02114-3096
Phone (310) 351-7482
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 36171 | CA | MD | Orthodontics and Dentofacial Orthopedic Dentist |
| 3081 | MD | MD | Optometrist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750204800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785715200000",
"number": "1679460240",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "243 CHARLES ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021143096",
"telephone_number": "310-351-7482"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "243 CHARLES ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021143096",
"telephone_number": "310-351-7482"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COAN",
"first_name": "EMILY",
"middle_name": "MIN",
"credential": "OD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-06-18",
"last_updated": "2026-08-03",
"certification_date": "2026-08-03",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "36171",
"primary": false
},
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "MA",
"license": "8414",
"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 Aug 3, 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.