Individual provider Active NPI

Ezgi Caliskan Guzelce, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Boston, MA
National Provider Identifier
1932796828
Registry record updated Oct 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
1018874 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6106
Phone
(617) 732-5500
NPI assigned
Dec 24, 2020
Last updated
Oct 14, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 1018874 MA Primary

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6106

Mailing address

20 2ND Ave Apt 319
Burlington, MA 01803-4456
Phone (857) 544-4290

Other practice location 1

221 Longwood Ave
Boston, MA 02115-5804
Phone (857) 544-4290

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
I20240621001909 MA Practitioner - Endocrinology 7113328246 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

221 Longwood Ave
Boston, MA 02115-5804
Phone (617) 732-5500

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
Brigham & Womens Physicians Organization Inc CurrentSince Jun 3, 2024 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

221 Longwood Ave
Boston, MA 02115
Phone (617) 732-4918

75 Francis St
Boston, MA 02115

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

Organizations & group practices 2

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 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": "1608768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1932796828",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 2ND AVE APT 319",
            "city": "BURLINGTON",
            "state": "MA",
            "postal_code": "018034456",
            "telephone_number": "857-544-4290"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "221 Longwood Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021155804",
            "country_code": "US",
            "telephone_number": "857-544-4290",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALISKAN GUZELCE",
        "first_name": "EZGI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-12-24",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MA",
            "license": "1018874",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.