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

Dr. Mary Frances O'Brien, MD

Individual provider Pediatrics Physician · NPI 1659513570

Dr. Mary Frances O'Brien, MD is a Pediatrics Physician in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2009
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

900 Threadneedle St Ste 100
Houston, TX 77079-2919
Phone: (281) 588-3486
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence H7577 (TX)

Record details

NPI number1659513570
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 25, 2009
Last updated in NPPESMarch 25, 2009

Other providers in Houston