NPIMap

Individual provider Active NPI

Stefan G Tullius, MD PHD

  • Transplant Surgery Physician
  • Boston, MA
National Provider Identifier
1659321156
Registry record updated Sep 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Transplant Surgery PhysicianTaxonomy code 204F00000X
License
223508 Issued in MA
Practice address
75 Francis Street
Brigham and Women's Hospital Division of Transplant Sur
Boston, MA 02115
Phone
(617) 732-5500
NPI assigned
May 12, 2006
Last updated
Sep 22, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Transplant Surgery Physician 204F00000X 223508 MA Primary

Addresses

Primary practice location

75 Francis Street
Brigham and Women's Hospital Division of Transplant Sur
Boston, MA 02115

Mailing address

111 Cypress St
Brookline, MA 02445-6002
Phone (857) 307-0896

Other practice location 1

55 Fruit St
Boston, MA 02114-2696
Phone (617) 726-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050301000763 MA Practitioner - General Surgery 8628021714 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Boston University General Surgical Associates, Inc.Group PAC ID 9830183763, 86 clinicians

Practice addresses (Care Compare)

1 Boston Medical Ctr PL
Boston, MA 02118-2908
Phone (617) 638-8605

732 Harrison Ave
Boston, MA 02118-2309

732 Harrison Ave FL 3
Preston BLDG
Boston, MA 02118-2309
Phone (617) 638-7350

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, Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham and Women's Hospital Current Accepting new patients
Boston University General Surgical Associates, Inc. CurrentSince Aug 30, 2017 Accepting new patients
Boston Medical Center Corporation Current Accepting new patients
Boston University General Surgical Associates, Inc.-QMC CurrentSince Aug 30, 2017 Accepting new patients
Pratt Surgical Associates Inc CurrentSince Apr 19, 2021 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients
Brigham & Womens Hospital, Inc. Past Accepting new patients
Massachusetts General Physicians Organization Inc PastSince Jul 1, 2026 Accepting new patients

Locations

732 Harrison Ave
Fl 5
Boston, MA 02118
Phone (617) 414-6840

75 Francis St
Boston, MA 02115

800 Washington St
#1013
Boston, MA 02111
Phone (617) 636-0491

Interoperability endpoints

  • Direct secure messaging: stullius99465@direct.bmc.masshiway.net
  • Direct secure messaging: tullius.stefan.bwh@direct.partners.masshiway.net

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1659321156",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 CYPRESS ST",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024456002",
            "telephone_number": "857-307-0896"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS STREET",
            "address_2": "BRIGHAM AND WOMEN'S HOSPITAL DIVISION OF TRANSPLANT SUR",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02115",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142696",
            "country_code": "US",
            "telephone_number": "617-726-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TULLIUS",
        "first_name": "STEFAN",
        "middle_name": "G",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-12",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "MA",
            "license": "223508",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.