Marissa Cantu, MD
NPI 1871869933 · Pediatric Emergency Medicine (Pediatrics) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Cantu, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in San Antonio, TX (NPI 1871869933).
Provider details
- NPI number
- 1871869933
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2015015074 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
14 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
- 2012-03-22
- Last updated
- 2022-02-17
- Certified
- 2022-02-17
Frequently asked questions
- What is Marissa Cantu's NPI number?
- Marissa Cantu's National Provider Identifier (NPI) is 1871869933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Cantu's specialty?
- Marissa Cantu is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Cantu located?
- Marissa Cantu's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Marissa Cantu's phone number?
- The practice phone number listed in the NPPES registry for Marissa Cantu is (210) 358-2078.
- Does Marissa Cantu accept Medicare?
- Marissa Cantu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Cantu's NPI active?
- Yes — Marissa Cantu's NPI (1871869933) is active in the NPPES registry as of the last update on 2022-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.