Sophia Marie Nikolai, MS, RD, CD

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

5009-29 Issued in WI

Practice address

1501 S Madison St
Appleton, WI 54915-1846

Phone

(920) 730-5423

NPI assigned

Aug 24, 2022

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 names 1

• Sophia Marie Bergner Former name

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Baycare Aurora LLCGroup PAC ID 0244130557, 197 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

Practice roles

Locations

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.

• Baycare Aurora, LLC

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1255387726
  Medicare reassignment Care Compare group NPD
• Ascension Medical Group-Fox Valley Wisconsin, Inc

  dba Ascension Medical Group

  • Multi-Specialty Clinic/Center
  • Neenah, WI
  • NPI 1730126392
  Medicare reassignment NPD
• Ascension NE Wisconsin, Inc

  dba Ascension NE Wisconsin-St Elizabeth Campus

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1407803638
  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment NPD
• Ascension Medical Group-Fox Valley Wisconsin, Inc

  • Cardiovascular Disease Physician
  • Appleton, WI
  • NPI 1831890177
  NPD
• Ascension NE Wisconsin, Inc

  dba Ascension NE Wisconsin-Mercy Campus

  • General Acute Care Hospital
  • Oshkosh, WI
  • NPI 1912527193
  NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Nourish, Inc.

  • Registered Dietitian
  • Austin, TX
  • NPI 1558097824

  Dietitian, Registered

  NPD (past)

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

{
    "created_epoch": "1661299200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1760101638",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "920-730-5423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 S MADISON ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549151846",
            "telephone_number": "920-730-5423"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 S Oakwood Rd",
            "address_purpose": "LOCATION",
            "city": "Oshkosh",
            "state": "WI",
            "postal_code": "549047944",
            "country_code": "US",
            "telephone_number": "920-730-5423",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIKOLAI",
        "first_name": "SOPHIA",
        "middle_name": "MARIE",
        "credential": "MS, RD, CD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-24",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "WI",
            "license": "5009-29",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SOPHIA",
            "last_name": "BERGNER",
            "middle_name": "MARIE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Alexandra Dawn Niemi, HERD CERTIFIED
• Kelly Nies
• Jennifer E Nieuwenhuis
• Debra K Nigh, PAC
• Linda A Nikolai, RD, CD
• Kerri Nimtz, PHARM. D
• N Carter Noble, MD
• Janice Elaine Noffke, OTR
• Nonglem Healthcare Services
• Lisa Nooyen, PTA

• Registered Dietitian in Appleton, WI
• Providers in Appleton, WI by specialty
• Registered Dietitian in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.