Rachel Rongstad Mifflin, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

85121 Issued in WI

Practice address

451 Junction Rd
Madison, WI 53717-2656

Phone

(608) 265-7740

NPI assigned

Apr 15, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

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

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/5610/brand/1/csg/1/fhir/r4

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.

• University of Wisconsin Medical Foundation, Inc

  • Multi-Specialty Clinic/Center
  • Middleton, WI
  • NPI 1598784555
  Medicare reassignment NPD
• University of Wisconsin Medical Foundation, Inc

  • Health Educator
  • Madison, WI
  • NPI 1487414082
  NPD
• French Broad Pediatric Associates, PLLC

  • Pediatrics Physician
  • Asheville, NC
  • NPI 1245587534
  NPD
• University of Wisconsin Medical Foundation Inc

  • Durable Medical Equipment & Medical Supplies
  • Cross Plains, WI
  • NPI 1174583363
  NPD (past)

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

{
    "created_epoch": "1555286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744761600000",
    "number": "1497318687",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "451 JUNCTION RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537172656",
            "telephone_number": "608-265-7740"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "40 N Merrimon Ave Ste 117",
            "address_purpose": "LOCATION",
            "city": "Asheville",
            "state": "NC",
            "postal_code": "288041368",
            "country_code": "US",
            "telephone_number": "828-348-8232",
            "fax_number": "855-323-6740",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MIFFLIN",
        "first_name": "RACHEL",
        "middle_name": "RONGSTAD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-15",
        "last_updated": "2025-04-16",
        "certification_date": "2025-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "85121",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NC",
            "license": "2022-00694",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth J Mierendorf, C.A., MAOM, ATC
• Ashton Hope Mieritz, CRNA
• Cynthia A Mierow-Spetz, OTR, CHT
• Heidi Miess-Gladding, NNP-BC
• Jonathan James Mietchen, T-LMLP
• Stanley Migala, LPC-IT
• Jill Migon, D.P.M.
• Jeremy Nathaniel Mihajlovich, DO
• Jessica Anne Mihalko
• Amy L Mihm, MS, RD, LAT

• Pediatrics Physician in Madison, WI
• Providers in Madison, WI by specialty
• Pediatrics Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2025; 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.