Active NPI
Ronan J Walsh, MBBCH
- Neurology Physician
- Boston, MA
National Provider Identifier
1700843497
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology Physician
- License
- 223321
- Practice address
- 75 Francis St
Brigham and Womens Hospital Department of Neurology
Boston, MA 02115 - Phone
- (617) 732-5771
- NPI assigned
- Apr 27, 2006
- 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 |
|---|---|---|---|---|
| Neurology Physician | 2084N0400X | 223321 | MA | Primary |
Addresses
Primary practice location
75 Francis St
Brigham and Womens Hospital Department of Neurology
Boston, MA 02115
Mailing address
75 Francis St
Brigham and Womens Hospital Department of Neurology
Boston, MA 02115
Phone (617) 732-5771
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 223321 | MA | MD | Neurology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146096000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1700843497",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "75 FRANCIS ST",
"address_2": "BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF NEUROLOGY",
"city": "BOSTON",
"state": "MA",
"postal_code": "02115",
"telephone_number": "617-732-5771"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "75 FRANCIS ST",
"address_2": "BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF NEUROLOGY",
"city": "BOSTON",
"state": "MA",
"postal_code": "02115",
"telephone_number": "617-732-5771"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALSH",
"first_name": "RONAN",
"middle_name": "J",
"credential": "MBBCH",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-27",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "MA",
"license": "223321",
"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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.