Individual provider Active NPI

Sitharthan Sekar

  • Gastroenterology Physician
  • Boston, MA
National Provider Identifier
1578026019
Registry record updated Aug 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
1023377 Issued in MA
Practice address
75 Francis St
Boston, MA 02115-6110
Phone
(617) 732-5500
NPI assigned
Apr 11, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Gastroenterology Physician 207RG0100X 1023377 MA Primary

Addresses

Primary practice location

75 Francis St
Boston, MA 02115-6110

Mailing address

75 Francis St
Boston, MA 02115-6110

Other practice location 1

2301 Erwin Rd
Durham, NC 27705-4699
Phone (919) 684-8111

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
I20250909002408 MA Practitioner - Gastroenterology 7416459268 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Duke University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Brigham and Womens Physicians Organization IncGroup PAC ID 3870405988, 2,931 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
  • Brigham and Women Faulkner Hospital Hospital, Jamaica Plain, MA, CCN 220119
  • Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy26
Upper gastrointestinal (GI) endoscopy for acid reflux22

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham & Womens Physicians Organization Inc CurrentSince Jul 28, 2025 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

55 Fruit St
Boston, MA 02114

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

Interoperability endpoints

  • Direct secure messaging: sekar.sitharthan.bwh@direct.partners.masshiway.net

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 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": "1554940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756339200000",
    "number": "1578026019",
    "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"
        },
        {
            "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": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2301 Erwin Rd",
            "address_purpose": "LOCATION",
            "city": "Durham",
            "state": "NC",
            "postal_code": "277054699",
            "country_code": "US",
            "telephone_number": "919-684-8111",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEKAR",
        "first_name": "SITHARTHAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-11",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "1023377",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.