Individual provider Active NPI

Lawrence C Tsen, MD

  • Anesthesiology Physician
  • Boston, MA
National Provider Identifier
1427068527
Registry record updated May 17, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
80813 Issued in MA
Practice address
75 Francis St
CWN L1 Brigham and Womens Hospital Dept of Anesthesiolo
Boston, MA 02115
Phone
(617) 732-8210
NPI assigned
Aug 9, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 17, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 80813 MA Primary

Addresses

Primary practice location

75 Francis St
CWN L1 Brigham and Womens Hospital Dept of Anesthesiolo
Boston, MA 02115

Mailing address

75 Francis St
CWN L1 Brigham and Womens Hospital Dept of Anesthesiolo
Boston, MA 02115
Phone (617) 732-8210

Other practice location 1

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20101216000716 MA Practitioner - Anesthesiology 7618165796 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Kansas School of Med (KC/Wich/Sal), 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

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

Practice roles

OrganizationSpecialtyStatusNew patients
Massachusetts General Physicians Organization Inc CurrentSince Feb 27, 2025 Accepting new patients
CHMC Anesthesia Foundation Inc Anesthesiology CurrentSince May 1, 2023 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
The General Hospital Corporation CurrentSince Feb 27, 2025 Accepting new patients

Locations

75 Francis St
#L1
Boston, MA 02115
Phone (617) 732-8210

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

75 Francis St
Boston, MA 02115

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

55 Fruit St
Boston, MA 02114

Interoperability endpoints

  • Direct secure messaging: tsen.lawrence.bwh@direct.partners.masshiway.net
  • Direct secure messaging: ltsen22201@direct.bostonchildrens.org

Organizations & group practices 5

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.

Hospital & facility affiliations 1

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": "1155081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1684281600000",
    "number": "1427068527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "CWN L1 BRIGHAM AND WOMENS HOSPITAL DEPT OF ANESTHESIOLO",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02115",
            "telephone_number": "617-732-8210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "CWN L1 BRIGHAM AND WOMENS HOSPITAL DEPT OF ANESTHESIOLO",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02115",
            "telephone_number": "617-732-8210"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Longwood Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021155724",
            "country_code": "US",
            "telephone_number": "617-355-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSEN",
        "first_name": "LAWRENCE",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-09",
        "last_updated": "2023-05-17",
        "certification_date": "2023-05-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MA",
            "license": "80813",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.