Katherine Theresa Flynn-O'Brien, M.D.

Primary specialty

Pediatric Surgery PhysicianTaxonomy code 2086S0120X

License

69080-20 Issued in WI

Practice address

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874

Phone

(414) 266-6550

Fax

(414) 266-6579

NPI assigned

Mar 29, 2011

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: katherine.flynn-obrien@marshfieldclinichealthsystem.cernerdirect.com
• Direct secure messaging: kflynnobrien62976@direct.chw.org

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.

• Children'S Specialty Group, Inc.

  • Pediatrics Physician
  • Milwaukee, WI
  • NPI 1942970405
  Medicare reassignment NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086
  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434
  NPD

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

{
    "created_epoch": "1301356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1710115200000",
    "number": "1225327398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-6550",
            "fax_number": "414-266-6579"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-6550",
            "fax_number": "414-266-6579"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4855 S Moorland Rd",
            "address_purpose": "LOCATION",
            "city": "New Berlin",
            "state": "WI",
            "postal_code": "531517494",
            "country_code": "US",
            "telephone_number": "414-266-6550",
            "fax_number": "414-266-6579",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1655 W Mequon Rd",
            "address_purpose": "LOCATION",
            "city": "Mequon",
            "state": "WI",
            "postal_code": "530923254",
            "country_code": "US",
            "telephone_number": "414-266-6550",
            "fax_number": "414-266-6579",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3195 Hillside Dr",
            "address_purpose": "LOCATION",
            "city": "Delafield",
            "state": "WI",
            "postal_code": "530182189",
            "country_code": "US",
            "telephone_number": "414-266-6550",
            "fax_number": "414-266-6579",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-5800",
            "fax_number": "414-805-8097",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLYNN-O'BRIEN",
        "first_name": "KATHERINE",
        "middle_name": "THERESA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-03-29",
        "last_updated": "2024-03-11",
        "certification_date": "2024-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "WI",
            "license": "69080-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1225327398",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Talmah Flowers
• Brendan James Floyd, MD/PHD
• Kelly L Flugaur, NP
• Fluttering Butterflies LLC
• Fly Philanthropy Inc
• George David Flynn, CRC, LPC
• Grace Ann Flynn
• Sarah C Flynn, PHARMD
• FMG South 43Rd Street Wisconsin LLC
• FMG West Mitchell Street Wisconsin LLC

• Pediatric Surgery Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Pediatric Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.