Mark Wan Soo Chang, MD
Healthcare Provider
Patients across TN can see Mark Chang, MD in person in Johnson City or via virtual visit — no travel required. He graduated from Columbia University College of Physicians and Surgeons in 1987 and has 39+ years of clinical experience.
Data updated 2014-12-03 on CMS NPPES
Contact & Location
Practice Location
2428 Knob Creek Road, Johnson City, TN 37604
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Education & Training
Columbia University College of Physicians and Surgeons (Class of 1987)
Virtual Healthcare Care With Mark Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark Chang for follow-ups, medication reviews, and ongoing care — no travel to Johnson City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Mark Chang
NPI records show Dr. Chang as active with telehealth listed in Johnson City, TN. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (423) 282-5054.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Mark Chang
Practice Location
2428 Knob Creek Road, Johnson City, TN 37604
Mailing Address
105 W Stone Dr Suite 6a, Kingsport, TN 37660-3365
This is a provider directory. Contact the office directly to schedule appointments.
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