Sara J Siedenburg, CPNP

Primary specialty

Registered NurseTaxonomy code 163W00000X

Practice address

3239 N 9TH St
Milwaukee, WI 53206-3251

Phone

(414) 264-0465

Fax

(414) 264-2629

NPI assigned

Aug 3, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Sara J Freymiller Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Certified Pediatric Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Children's Medical Group

  dba Glendale Pediatrics

  • Pediatrics Physician
  • Glendale, WI
  • NPI 1134394471
  NPD (past)
• Childrens Medical Group Inc

  • Pediatrics Physician
  • Milwaukee, WI
  • NPI 1790732410
  NPD (past)

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

{
    "created_epoch": "1154563200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1063420446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3239 N 9TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532063251",
            "telephone_number": "414-264-0465",
            "fax_number": "414-264-2629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3239 N 9TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532063251",
            "telephone_number": "414-264-0465",
            "fax_number": "414-264-2629"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEDENBURG",
        "first_name": "SARA",
        "middle_name": "J",
        "credential": "CPNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-03",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "WI",
            "license": "886-033",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WI",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SARA",
            "last_name": "FREYMILLER",
            "middle_name": "J",
            "credential": "CPNP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Mahtab K Sidhu, M.D.
• Paramjit Sidhu, D.D.S.
• Danielle D Sidjanin Maier, NP
• Timothy L Sie, NP
• Barbara Claire Sieck, PHD
• Eric M. Siegal, MD
• Elizabeth Siegel, PA-C
• Ronald Siegel, MD
• Sabrina Sieger
• Susan M Siegfried, O.T.

• Registered Nurse in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Registered Nurse in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.