Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Wan Soo Chang, MD

Individual provider Interventional Cardiology Physician · NPI 1174632475

Mark Wan Soo Chang, MD is a Cardiovascular Disease (Cardiology) in Johnson City, Tennessee. Graduated from Columbia University College of Physicians and Surgeons in 1987, 39 years ago. Practices with Wellmont Cardiology Services, a 138-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Tennessee and Virginia.

Years since qualifying
39
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
TN, VA
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2428 Knob Creek Rd
Johnson City, TN 37604
Phone: (423) 282-5054
Fax: (423) 230-5097
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 28931 (TN)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 0101059203 (VA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 28931 (TN)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 0101059203 (VA)

Record details

NPI number1174632475
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESDecember 3, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1987 (39 years in practice)
Group practice Wellmont Cardiology Services — 138 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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