Marcela Riojas, M.D.
NPI 1841456332 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcela Riojas, M.D. is a Family Medicine Physician provider in San Antonio, TX (NPI 1841456332).
Provider details
- NPI number
- 1841456332
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- N8238 (TX)
Specialties & taxonomies
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
1 documented practice location
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
Registry dates
- Enumerated
- 2008-08-04
- Last updated
- 2018-08-30
Frequently asked questions
- What is Marcela Riojas's NPI number?
- Marcela Riojas's National Provider Identifier (NPI) is 1841456332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcela Riojas's specialty?
- Marcela Riojas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcela Riojas located?
- Marcela Riojas's practice location on file with NPPES is 418 N Loop 1604 W, San Antonio, TX 78232.
- What is Marcela Riojas's phone number?
- The practice phone number listed in the NPPES registry for Marcela Riojas is (210) 595-1019.
- Does Marcela Riojas accept Medicare?
- Marcela Riojas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcela Riojas's NPI active?
- Yes — Marcela Riojas's NPI (1841456332) is active in the NPPES registry as of the last update on 2018-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.