Active NPI
John Anthony Fallon, M.D.
- Internal Medicine Physician
- Boston, MA
National Provider Identifier
1609816883
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 36815
- Practice address
- Blue Cross Blue Shield of Ma,
401 Park Dr.
Boston, MA 02215-3326 - Phone
- (617) 246-3392
- Fax
- (617) 246-3817
- NPI assigned
- Jun 7, 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 36815 | MA | Primary |
Addresses
Primary practice location
Blue Cross Blue Shield of Ma,
401 Park Dr.
Boston, MA 02215-3326
Mailing address
36 Wildwood Dr
Lynnfield, MA 01940-1333
Phone (781) 334-6121
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
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 36815 | MA | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149638400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1609816883",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "36 WILDWOOD DR",
"city": "LYNNFIELD",
"state": "MA",
"postal_code": "019401333",
"telephone_number": "781-334-6121"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "BLUE CROSS BLUE SHIELD OF MA,",
"address_2": "401 PARK DR.",
"city": "BOSTON",
"state": "MA",
"postal_code": "022153326",
"telephone_number": "617-246-3392",
"fax_number": "617-246-3817"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FALLON",
"first_name": "JOHN",
"middle_name": "ANTHONY",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-07",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "36815",
"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.