NPIMap

Individual provider Active NPI

Pedro G Vianna, MD

  • Hematology (Internal Medicine) Physician
  • Boston, MA
National Provider Identifier
1518498807
Registry record updated Feb 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
1014388 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(617) 732-5190
NPI assigned
Mar 27, 2017
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X 1014388 MA Primary

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6110

Mailing address

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Other practice location 1

55 Fruit St
Boston, MA 02114-2621
Phone (617) 748-6190

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
I20230803002871 MA Practitioner - HematologyPractitioner - Internal Medicine 5991166159 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
HematologyAlso: Internal Medicine
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

450 Brookline Ave
Boston, MA 02215-5418
Phone (617) 632-3586

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
Dana-Farber Cancer Institute, Inc. CurrentSince Aug 1, 2023 Accepting new patients
The General Hospital Corporation CurrentSince Jan 13, 2026 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Aug 1, 2023 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince Aug 1, 2023 Accepting new patients
Brigham and Women's Hospital Current Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Jan 13, 2026 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients
Brigham & Womens Hospital, Inc. Past Accepting new patients
Dana-Farber Cancer Institute, Inc. Past Accepting new patients

Locations

300 Pasteur Dr
#154
Stanford, CA 94305

75 Francis St
Ste 100
Boston, MA 02115

75 Francis St
Boston, MA 02115

55 Fruit St
Boston, MA 02114

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

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

1153 Centre St
#L1
Jamaica Plain, MA 02130

1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000

Interoperability endpoints

  • Direct secure messaging: vianna.pedro.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 and National Provider Directory roles.

Hospital & facility affiliations 2

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": "1490572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1518498807",
    "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": "021156110",
            "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": "617-732-5190"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-748-6190",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VIANNA",
        "first_name": "PEDRO",
        "middle_name": "G",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-03-27",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "MA",
            "license": "1014388",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.