Julia A. Ostendorf, MD

Primary specialty

Pediatric Adolescent Medicine PhysicianTaxonomy code 2080A0000X

License

30481 Issued in WI

Practice address

1111 Delafield St
Suyite 115
Waukesha, WI 53188-3417

Phone

(262) 542-2536

Fax

(262) 542-2791

NPI assigned

Feb 20, 2006

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: jostendorf20662@direct.phci.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.

• Waukesha Pediatric Associates

  • Pediatrics Physician
  • Waukesha, WI
  • NPI 1265588172
  NPD (past)

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

{
    "created_epoch": "1140393600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1689649097",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 DELAFIELD ST",
            "address_2": "SUYITE 115",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531883417",
            "telephone_number": "262-542-2536",
            "fax_number": "262-542-2791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 DELAFIELD ST",
            "address_2": "SUYITE 115",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531883417",
            "telephone_number": "262-542-2536",
            "fax_number": "262-542-2791"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSTENDORF",
        "first_name": "JULIA",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-20",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080A0000X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Adolescent Medicine",
            "state": "WI",
            "license": "30481",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32059200",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Orthopedic & Sports Therapy SC
• Orthopedic Associates of Wisconsin
• Orthotics and Prosthetics Associates, Inc.
• Danielle Melissa Osborne
• Elisabeta L Osian, M.D.
• Debra Lynn Otten, APRN BC FAMILY NURSE
• Jodi Ann Otto, M.S.
• Shelby Lynn Otto, OT
• Jenna Overbaugh, LPC
• Rebecca Ruth Owens

• Pediatric Adolescent Medicine Physician in Waukesha, WI
• Providers in Waukesha, WI by specialty
• Pediatric Adolescent Medicine Physician in Wisconsin

• 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.