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

Mark D. Hays, MD

Individual provider Pediatric Cardiology Physician · NPI 1689692295

Mark D. Hays, MD is a Pediatric Cardiology Physician in Chattanooga, Tennessee. Works from 2 locations. Licensed in Tennessee.

Licensed in
TN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6148 Lee Hwy Ste 206
Chattanooga, TN 37421-6515
Phone: (423) 498-3300
Show map & directions

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

Additional practice locations (1)

  • 910 Blackford St, Chattanooga, TN 37403-1405 — (423) 778-5445

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 34806 (TN)

Record details

NPI number1689692295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESMarch 17, 2018
Mailing addressPo Box 11503, Chattanooga, TN 37401-2503

Other providers in Chattanooga