Active NPI
Gamaral Michael Sawyer, MD
- Psychiatry Physician
- Boston, MA
National Provider Identifier
1154269389
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 3020330
- Practice address
- 801 Massachusetts Ave FL 1
Boston, MA 02118-2605 - Phone
- (617) 414-4238
- NPI assigned
- Mar 21, 2026
- 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 3020330 | MA | Primary |
Addresses
Primary practice location
801 Massachusetts Ave FL 1
Boston, MA 02118-2605
Mailing address
801 Massachusetts Ave FL 1
Boston, MA 02118-2605
Phone (617) 414-4238
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: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1774051200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782777600000",
"number": "1154269389",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "801 MASSACHUSETTS AVE FL 1",
"city": "BOSTON",
"state": "MA",
"postal_code": "021182605",
"telephone_number": "617-414-4238"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 MASSACHUSETTS AVE FL 1",
"city": "BOSTON",
"state": "MA",
"postal_code": "021182605",
"telephone_number": "617-414-4238"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SAWYER",
"first_name": "GAMARAL",
"middle_name": "MICHAEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-03-21",
"last_updated": "2026-06-30",
"certification_date": "2026-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MA",
"license": "3020330",
"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 Jun 30, 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.