Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1831351105 Individual Practitioner Male Practitioner

Dr. Chenhao Fan , MD

Internal Medicine • Appleton, WI

Professional Overview & Biography Verified Profile Summary

Dr. Chenhao Fan, MD is a registered healthcare professional specializing in Internal Medicine in Appleton, WI. Practice services are available at 630 E SIERRA LN under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

630 E Sierra Ln

Appleton, WI 549136603

Telephone 9173621790

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Appleton, WI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.9 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
41 Specialists

Practicing in Appleton, WI (2181 Statewide)

Telehealth Adoption Rate
12.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-04-27
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 55190-20

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

General Practice

NUCC Taxonomy Code: 208D00000X

State License WI 55190-020

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location February 09, 2023

Registered at 630 E SIERRA LN, APPLETON, WI 549136603 (Tel: 9173621790)

📍
Updated Business Mailing Address February 09, 2023

Registered at 630 E SIERRA LN, APPLETON, WI 549136603 (Tel: 9173621790)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 09, 2023

General Practice (License #55190-020 in WI)

NPI Profile Active June 27, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location June 27, 2008

Registered at 1400 S COULTER ST, AMARILLO, TX 791061786 (Tel: 8063545485)

📍
Updated Business Mailing Address June 27, 2008

Registered at 7506 DREYFUSS DR, AMARILLO, TX 791211414 (Tel: 9173621790)

👤
Provider Name / Credentials Updated June 27, 2008

Recorded as CHENHAO FAN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2008

Internal Medicine (License #BP1-0031842 in TX)

🟢
Initial NPI Registration & Enumeration June 27, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1831351105
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 27, 2008
Last Update: April 27, 2026
Sole Proprietor: Yes

Mailing Address

630 E Sierra Ln

Appleton, WI 549136603

Phone: 9173621790

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.