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Active NPI 1760101638 Individual Practitioner Female Practitioner

Sophia Marie Nikolai , MS, RD, CD

Dietitian, Registered • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Sophia Nikolai, MS, RD, CD is a certified Dietitian, Registered practicing in Appleton, WI. With approximately 4 years of clinical experience since completing medical education in 2022, Sophia Nikolai delivers high-quality medical care to the local community at 1501 S MADISON ST.

Sophia Nikolai is affiliated with Baycare Aurora Llc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

1501 S Madison St

Appleton, WI 549151846

Telephone 9207305423
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2022

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dietitian, Registered in Appleton, WI

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -10.3 yrs vs City Avg
City Avg: 14.3 Yrs
State Avg: 16.1 Yrs
Regional Practice Density
48 Specialists

Practicing in Appleton, WI (1473 Statewide)

Telehealth Adoption Rate
2.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nikolai (4 Years) 4 Yrs
Appleton Specialty Average (14.3 Years) 14.3 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-07-09
Dietitian, Registered Primary Specialty

NUCC Taxonomy Code: 133V00000X

State License WI 5009-29

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Hospital & Practice Group Affiliations

Baycare Aurora Llc

2845 Greenbrier Rd, Green Bay, WI 543116519

Phone: 9202888000

Secondary Practice Locations

500 S Oakwood Rd

Oshkosh, WI 549047944

Phone: 9207305423

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

26 Associated Practitioners
NPI 1033559588

Doctor of Medicine (M.D.)

NPI 1124454830

Registered Nurse, Advanced Practice Nurse Prescriber

Larry Weigandt

Specialist/Technologist, Other - Surgical Technologist

NPI 1154311512
Antonet Woods , FNP-BC

Nurse Practitioner - Family

NPI 1154529824

Family Nurse Practitioner (Board Certified)

NPI 1174767271

Doctor of Medicine (M.D.)

Marci Messerschmidt , APNP

Nurse Practitioner

NPI 1174950398

Advanced Practice Nurse Prescriber

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Business Mailing Address July 09, 2025

Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 9207305423)

👤
Provider Name / Credentials Updated July 09, 2025

Recorded as SOPHIA NIKOLAI, MS, RD, CD

NPI Profile Active September 01, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location September 01, 2022

Registered at 1501 S MADISON ST, APPLETON, WI 549151846 (Tel: 9207305423)

📍
Updated Business Mailing Address September 01, 2022

Registered at 1501 S MADISON ST, APPLETON, WI 549151846 (Tel: 9207305423)

👤
Provider Name / Credentials Updated September 01, 2022

Recorded as SOPHIA BERGNER, MS, RD, CD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 01, 2022

Dietitian, Registered (License #5009-29 in WI)

🟢
Initial NPI Registration & Enumeration August 24, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1760101638
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 24, 2022
Last Update: July 09, 2025
Sole Proprietor: No

Mailing Address

Po Box 735044

Chicago, IL 606735044

Phone: 9207305423

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.