Mary De Leon, F.N.P.
NPI 1609104066 · Pediatric Clinical Nurse Specialist · Brownsville, TX
Mary De Leon, F.N.P. is a Pediatric Clinical Nurse Specialist provider in Brownsville, TX (NPI 1609104066).
Provider details
- NPI number
- 1609104066
- Entity type
- Individual
- Primary specialty
- Pediatric Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- F.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 670508 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-11-24
- Last updated
- 2011-10-07
Frequently asked questions
- What is Mary De Leon's NPI number?
- Mary De Leon's National Provider Identifier (NPI) is 1609104066, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary De Leon's specialty?
- Mary De Leon is listed in the NPPES registry with a primary specialty of Pediatric Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary De Leon located?
- Mary De Leon's practice location on file with NPPES is 4920 N. Expressway,, Brownsville, TX 78526.
- What is Mary De Leon's phone number?
- The practice phone number listed in the NPPES registry for Mary De Leon is (956) 350-5530.
- Is Mary De Leon's NPI active?
- Yes — Mary De Leon's NPI (1609104066) is active in the NPPES registry as of the last update on 2011-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.