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

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