Clarissa Deleon, M.D.
NPI 1225266729 · Neonatal-Perinatal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clarissa Deleon, M.D. is a Neonatal-Perinatal Medicine Physician provider in San Antonio, TX (NPI 1225266729).
Provider details
- NPI number
- 1225266729
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P4154 (TX)
Specialties & taxonomies
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
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
- 2009-06-24
- Last updated
- 2020-12-29
- Certified
- 2020-12-29
Frequently asked questions
- What is Clarissa Deleon's NPI number?
- Clarissa Deleon's National Provider Identifier (NPI) is 1225266729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarissa Deleon's specialty?
- Clarissa Deleon is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clarissa Deleon located?
- Clarissa Deleon's practice location on file with NPPES is 5430 Fredericksburg Rd, San Antonio, TX 78229-3539.
- What is Clarissa Deleon's phone number?
- The practice phone number listed in the NPPES registry for Clarissa Deleon is (210) 541-8281.
- Does Clarissa Deleon accept Medicare?
- Clarissa Deleon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clarissa Deleon's NPI active?
- Yes — Clarissa Deleon's NPI (1225266729) is active in the NPPES registry as of the last update on 2020-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.