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

Dora Cecilia Rioja-Mazza, MD

Individual provider Pediatrics Physician · NPI 1154575157

Dora Cecilia Rioja-Mazza, MD is a Pediatrics Physician in Dulles, Virginia. Works from 2 locations. Licensed in Maryland and Virginia.

Licensed in
MD, VA
In the registry since
2008
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 →

Practice location Address checks out

24440 Stone Springs Blvd
Dulles, VA 20166-2247
Phone: (571) 349-5271
Show map & directions

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

Additional practice locations (1)

  • 3449 Wilkens Ave Ste 308, Baltimore, MD 21229-5218 — (410) 646-1200

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence D0068381 (MD)
Neonatal-Perinatal Medicine Physician Taxonomy 2080N0001X · Licence 01012442254 (VA)

Record details

NPI number1154575157
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 5, 2008
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

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