Margaret M Brennan, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

MD0000025020 Issued in TN

Practice address

2010 Church St
Suite 503
Nashville, TN 37203-2012

Phone

(615) 284-7980

Fax

(615) 284-7985

NPI assigned

Sep 26, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• DRS Swan & Brennan Inc

  • Specialist
  • Nashville, TN
  • NPI 1730396854
  NPD (past) Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1127692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1124014170",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2010 CHURCH ST",
            "address_2": "SUITE 503",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372032012",
            "telephone_number": "615-284-7980",
            "fax_number": "615-284-7985"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2010 CHURCH ST",
            "address_2": "SUITE 503",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372032012",
            "telephone_number": "615-284-7980",
            "fax_number": "615-284-7985"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRENNAN",
        "first_name": "MARGARET",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TN",
            "license": "MD0000025020",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karl Bremer
• Shawnee Leroux Brenkman, CRNA
• Bruce Randall Brenn, MD
• Kaitlyn Brennan, DO, MPH
• Kimberly C Brennan, MD
• Mary Brennan, RN
• Grace Brenner, APRN
• Kelcy Nikol Brenner
• William S Brennion, D.C.
• Carrie L. Brensike, APN

• Obstetrics & Gynecology Physician in Nashville, TN
• Providers in Nashville, TN by specialty
• Obstetrics & Gynecology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.