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

Individual provider Internal Medicine Physician · NPI 1407057920

Warren Andrew Chang, MD is a Hospitalist in Abingdon, Virginia. Qualified in 1992, 34 years ago. Practices with Catawba Valley Medical Center, a 105-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
34
Licensed in
VA
In the registry since
2007
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

16000 Johnston Memorial Dr Fourth Fl
Abingdon, VA 24211-7664
Phone: (276) 258-4050
Fax: (276) 258-4056
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101241447 (VA)

Record details

NPI number1407057920
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2007
Last updated in NPPESMarch 22, 2016

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Catawba Valley Medical Center — 105 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Abingdon