Active NPI
George Tolis Jr., M.D.
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Boston, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- License
- 224934
- Practice address
- 732 Harrison Ave, FL 3 West
Preston BLDG.
Boston, MA 02118 - Phone
- (617) 638-7350
- Fax
- (617) 638-7228
- NPI assigned
- Nov 18, 2005
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | 208G00000X | 224934 | NY | Primary |
| Surgery Physician | 208600000X | 230131 | MA |
Addresses
Primary practice location
732 Harrison Ave, FL 3 West
Preston BLDG.
Boston, MA 02118
Mailing address
960 Massachusetts Avenue
FL 2
Boston, MA 02118-2690
Other practice location 1
830 Oak Street
Suite 205W
Brockton, MA 02301
Phone (508) 583-4440
Other practice location 2
235 N. Pearl St.
Brockton, MA 02301
Phone (508) 427-3180
Other practice location 3
1 Pearl St.
Suite 2000
Brockton, MA 02301
Phone (508) 584-4104
Other practice location 4
60 East St.
Suite 1400
Methuen, MA 01844
Phone (617) 202-6001
Other practice location 5
11 Nevins St.
Suite 306
Brighton, MA 02135
Phone (617) 789-2045
Other practice location 6
55 Fruit St
Cox 6 Suite 630
Boston, MA 02114-2621
Phone (617) 643-9280
Other practice location 7
736 Cambridge St.
Brighton, MA 02135
Phone (617) 789-2268
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110075160A | Medicaid | MA | |
| 3101505 | Medicaid | NH |
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
- Thoracic Surgery
- Education
- Harvard Medical School, 1995
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Boston Medical Ctr PL
Boston, MA 02118-2908
Phone (617) 638-8605
235 N Pearl St
Brockton, MA 02301-1794
Phone (508) 427-3000
732 Harrison Ave
Boston, MA 02118-2309
732 Harrison Ave FL 3
Preston BLDG
Boston, MA 02118-2309
Phone (617) 638-7350
736 Cambridge St
Brighton, MA 02135-2907
Phone (617) 789-3000
75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500
Hospital & facility affiliations
- Mass General Brigham Home Care, Inc
- Brigham and Women'S Hospital
- Boston Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary artery bypass graft (CABG) | 41 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 230131 | MA | MD | Surgery Physician |
| 224934 | NY | MD | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cape Cod Hospital Inc | Current | Accepting new patients | |
| Brigham & Womens Physicians Organization Inc | Current | Accepting new patients | |
| The General Hospital Corporation | Current | Accepting new patients | |
| General Hospital Corp | Current | Accepting new patients | |
| Massachusetts General Physicians Organization Inc | Surgery | Current | Accepting new patients |
| Brigham and Womens Physicians Organization Inc | Past | Accepting new patients | |
| Advanced Heart Physicians&Surgeons Network PC | Thoracic Surgery (Cardiothoracic Vascular Surgery) | Past | Accepting new patients |
| Brigham & Womens Hospital, Inc. | Past | 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
55 Fruit St
Ste 630
Boston, MA 02114
Phone (617) 643-9280
736 Cambridge St
Brighton, MA 02135
Phone (617) 789-2762
235 N Pearl St
Brockton, MA 02301
Phone (508) 427-2525
Interoperability endpoints
- gtolis46461@direct.capecodhealthcare.masshiway.net
- tolis.george.bwh@direct.partners.masshiway.net
Organizations & group practices 10
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
-
- Internal Medicine Physician
- Boston, MA
- NPI 1245320910
-
- Surgery Physician
- Boston, MA
- NPI 1104865567
-
- Dermatology Physician
- Boston, MA
- NPI 1801874573
Surgery
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
-
- General Acute Care Hospital
- Hyannis, MA
- NPI 1114984671
-
- General Acute Care Hospital
- Boston, MA
- NPI 1508390014
-
- General Acute Care Hospital
- Boston, MA
- NPI 1790717650
-
- Diagnostic Radiology Physician
- Boston, MA
- NPI 1265464598
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- New York, NY
- NPI 1952463309
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Newton, MA
- NPI 1083644017
-
- General Acute Care Hospital
- Boston, MA
- NPI 1164177028
-
- Community Health Clinic/Center
- South Boston, MA
- NPI 1225228679
Hospital
-
- General Acute Care Hospital
- Boston, MA
- NPI 1346218294
-
- Community Health Clinic/Center
- Roslindale, MA
- NPI 1386718823
Hospital
-
- Community Health Clinic/Center
- Dorchester, MA
- NPI 1780874677
Hospital
-
- Community Health Clinic/Center
- East Boston, MA
- NPI 1861683518
Hospital
-
- General Acute Care Hospital
- Boston, MA
- NPI 1790717650
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1132272000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779148800000",
"number": "1841272283",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "960 MASSACHUSETTS AVENUE",
"address_2": "FL 2",
"city": "BOSTON",
"state": "MA",
"postal_code": "021182690"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "732 HARRISON AVE, FL 3 WEST",
"address_2": "PRESTON BLDG.",
"city": "BOSTON",
"state": "MA",
"postal_code": "02118",
"telephone_number": "617-638-7350",
"fax_number": "617-638-7228"
}
],
"practiceLocations": [
{
"address_1": "830 Oak Street",
"address_2": "Suite 205W",
"address_purpose": "LOCATION",
"city": "Brockton",
"state": "MA",
"postal_code": "02301",
"country_code": "US",
"telephone_number": "508-583-4440",
"fax_number": "508-583-7401",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "235 N. Pearl St.",
"address_purpose": "LOCATION",
"city": "Brockton",
"state": "MA",
"postal_code": "02301",
"country_code": "US",
"telephone_number": "508-427-3180",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Pearl St.",
"address_2": "Suite 2000",
"address_purpose": "LOCATION",
"city": "Brockton",
"state": "MA",
"postal_code": "02301",
"country_code": "US",
"telephone_number": "508-584-4104",
"fax_number": "508-584-2053",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "60 East St.",
"address_2": "Suite 1400",
"address_purpose": "LOCATION",
"city": "Methuen",
"state": "MA",
"postal_code": "01844",
"country_code": "US",
"telephone_number": "617-202-6001",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "11 Nevins St.",
"address_2": "Suite 306",
"address_purpose": "LOCATION",
"city": "Brighton",
"state": "MA",
"postal_code": "02135",
"country_code": "US",
"telephone_number": "617-789-2045",
"fax_number": "617-779-6760",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "55 Fruit St",
"address_2": "Cox 6 Suite 630",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021142621",
"country_code": "US",
"telephone_number": "617-643-9280",
"fax_number": "617-726-5804",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "736 Cambridge St.",
"address_purpose": "LOCATION",
"city": "Brighton",
"state": "MA",
"postal_code": "02135",
"country_code": "US",
"telephone_number": "617-789-2268",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TOLIS",
"first_name": "GEORGE",
"name_prefix": "Dr.",
"name_suffix": "Jr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-18",
"last_updated": "2026-05-19",
"certification_date": "2026-05-19",
"status": "A"
},
"taxonomies": [
{
"code": "208G00000X",
"taxonomy_group": "",
"desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
"state": "NY",
"license": "224934",
"primary": true
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MA",
"license": "230131",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "110075160A",
"state": "MA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3101505",
"state": "NH"
}
],
"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 May 19, 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.