NPIMap

Individual provider Active NPI

Kristin Anne Madenci, MD

  • Surgery Physician
  • Boston, MA
National Provider Identifier
1508017260
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
266641 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(262) 366-9785
NPI assigned
Sep 30, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Critical Care Physician 2086S0102X 266641 MA
Trauma Surgery Physician 2086S0127X 266641 MA
Surgery Physician 208600000X 266641 MA Primary

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6110

Mailing address

75 Francis St
Boston, MA 02115-6106
Phone (617) 525-9327

Other practice location 1

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-9591

Other practice location 2

55 Lake Ave N
Worcester, MA 01655-0002
Phone (774) 475-0831

Other names 1

  • Kristin Anne Ojomo Former name

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
I20211006002307 MA Practitioner - General Surgery 4385702224 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Wisconsin School of Medicine, 2013
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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux14
Removal of tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2340WIMDDentist
266641MAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Massachusetts General Physicians Organization Inc Surgery CurrentSince Jul 28, 2022 Accepting new patients
The General Hospital Corporation CurrentSince Jul 28, 2022 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince Sep 1, 2021 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Brigham and Womens Physicians Organization Inc 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

165 Cambridge St
Ste 302
Boston, MA 02114
Phone (617) 724-1501

254 2nd Ave
Ste 100
Needham Heights, MA 02494
Phone (781) 416-8412

55 Fogg Rd
Weymouth, MA 02190
Phone (781) 340-4293

Interoperability endpoints

  • Direct secure messaging: sonderman.kristin.bwh@direct.partners.masshiway.net

Organizations & group practices 7

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 4

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": "1222732800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1508017260",
    "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": "021156106",
            "telephone_number": "617-525-9327"
        },
        {
            "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": "262-366-9785"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-726-9591",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Lake Ave N",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016550002",
            "country_code": "US",
            "telephone_number": "774-475-0831",
            "fax_number": "508-856-4224",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MADENCI",
        "first_name": "KRISTIN",
        "middle_name": "ANNE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-09-30",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "MA",
            "license": "266641",
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "MA",
            "license": "266641",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MA",
            "license": "266641",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KRISTIN",
            "last_name": "OJOMO",
            "middle_name": "ANNE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.