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

Dr. Mark Edward Hennessy, MD

Individual provider Family Medicine Physician · NPI 1194784728

Dr. Mark Edward Hennessy, MD is a Family Medicine Physician in Houston, Texas. Practices as a sole proprietor and works from 2 locations. Licensed in North Carolina and Texas.

Licensed in
NC, TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

14215 S Post Oak Rd
Houston, TX 77045-5233
Phone: (832) 541-8360
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 7515 Main St Ste 780, Houston, TX 77030-4537 — (832) 955-1221

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence N4468 (TX)
Family Medicine Physician Taxonomy 207Q00000X · Licence N4468 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 9500093 (NC)

Record details

NPI number1194784728
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 22, 2006
Last updated in NPPESApril 29, 2024
Certification dateApril 29, 2024

Other providers in Houston