Active NPI
Alexander Bennett Stone, MD
- Anesthesiology Physician
- Boston, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 281609
- Practice address
- 75 Francis St
Boston, MA 02115-6110 - Phone
- (617) 732-5500
- NPI assigned
- Jan 26, 2015
- 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 281609 | MA | Primary |
Addresses
Primary practice location
75 Francis St
Boston, MA 02115-6110
Mailing address
75 Francis St
Boston, MA 02115-6106
Phone (617) 732-5500
Other practice location 1
600 North Wolfe Street
The Johns Hopkins Hospital
Baltimore, MD 21287-2109
Phone (410) 955-5000
Other practice location 2
55 Fruit St
Boston, MA 02114-2696
Phone (617) 726-3030
Other practice location 3
535 E 70th St
New York, NY 10021-4823
Phone (212) 606-1000
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | stonea@hss.edu | Direct | |
| FHIR URL | https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/DSTU2 | Direct | |
| FHIR URL | https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/R4/ | Direct |
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
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Johns Hopkins University School of Medicine, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287
75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 281609 | MA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Brigham & Womens Physicians Organization Inc | Anesthesiology | Current | Accepting new patients |
| The General Hospital Corporation | Current | Accepting new patients | |
| Massachusetts General Physicians Organization Inc | Current | Accepting new patients | |
| Brigham and Women'S Hospital | Current | Accepting new patients |
Locations
75 Francis St
Boston, MA 02115
55 Fruit St
Boston, MA 02114
55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967
1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000
254 2nd Ave
Needham Heights, MA 02494
Phone (781) 416-8414
Interoperability endpoints
- stone.alexander.bwh@direct.partners.masshiway.net
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Boston, MA
- NPI 1033535497
Anesthesiology
-
- Dermatology Physician
- Boston, MA
- NPI 1801874573
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
-
- General Acute Care Hospital
- Boston, MA
- NPI 1093885816
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1790717650
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1422230400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769558400000",
"number": "1013307248",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "75 FRANCIS ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021156106",
"telephone_number": "617-732-5500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "75 FRANCIS ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021156110",
"telephone_number": "617-732-5500"
}
],
"practiceLocations": [
{
"address_1": "600 North Wolfe Street",
"address_2": "The Johns Hopkins Hospital",
"address_purpose": "LOCATION",
"city": "Baltimore",
"state": "MD",
"postal_code": "212872109",
"country_code": "US",
"telephone_number": "410-955-5000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "55 Fruit St",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021142696",
"country_code": "US",
"telephone_number": "617-726-3030",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "535 E 70th St",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100214823",
"country_code": "US",
"telephone_number": "212-606-1000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "STONE",
"first_name": "ALEXANDER",
"middle_name": "BENNETT",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2015-01-26",
"last_updated": "2026-01-28",
"certification_date": "2026-01-28",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MA",
"license": "281609",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "stonea@hss.edu",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "535 E 70th St",
"city": "New York",
"state": "NY",
"country_code": "US",
"postal_code": "100214823",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/DSTU2",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "535 E 70th St",
"city": "New York",
"state": "NY",
"country_code": "US",
"postal_code": "100214823",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0927.epichosted.com/FHIRProxy/api/FHIR/R4/",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "535 E 70th St",
"city": "New York",
"state": "NY",
"country_code": "US",
"postal_code": "100214823",
"country_name": "United States",
"address_type": "DOM"
}
],
"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 Jan 28, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.