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

Gregorio R Riera, MD

Individual provider Gynecology Physician · NPI 1821282278

Gregorio R Riera, MD is a Gynecology Physician in Houston, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
Specialties on file
2
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

6620 Main St Ste 1450
Houston, TX 77030-2348
Phone: (713) 798-7500
Fax: (713) 798-3487
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

Obstetrics Physician (primary) Taxonomy 207VX0000X · Licence M7573 (TX)
Gynecology Physician Taxonomy 207VG0400X · Licence M7573 (TX)

Record details

NPI number1821282278
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2007
Last updated in NPPESNovember 3, 2010

Other providers in Houston