Dora Rioja-Mazza, MD
NPI 1154575157 · Pediatrics Physician · Dulles, VA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dora Rioja-Mazza, MD is a Pediatrics Physician provider in Dulles, VA (NPI 1154575157).
Provider details
- NPI number
- 1154575157
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0068381 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 3449 Wilkens Ave Ste 308Baltimore, MD 21229-5218Phone: (410) 646-1200
Registry dates
- Enumerated
- 2008-11-05
- Last updated
- 2025-09-17
- Certified
- 2025-09-17
Frequently asked questions
- What is Dora Rioja-Mazza's NPI number?
- Dora Rioja-Mazza's National Provider Identifier (NPI) is 1154575157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dora Rioja-Mazza's specialty?
- Dora Rioja-Mazza is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Dora Rioja-Mazza located?
- Dora Rioja-Mazza's practice location on file with NPPES is 24440 Stone Springs Blvd, Dulles, VA 20166-2247.
- What is Dora Rioja-Mazza's phone number?
- The practice phone number listed in the NPPES registry for Dora Rioja-Mazza is (571) 349-5271.
- Does Dora Rioja-Mazza accept Medicare?
- Dora Rioja-Mazza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dora Rioja-Mazza's NPI active?
- Yes — Dora Rioja-Mazza's NPI (1154575157) is active in the NPPES registry as of the last update on 2025-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.