Julio Castillo, MD
NPI 1417989203 · Pediatrics Physician · Prosper, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julio Castillo, MD is a Pediatrics Physician provider in Prosper, TX (NPI 1417989203).
Provider details
- NPI number
- 1417989203
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P4292 (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
19 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
- 2006-07-06
- Last updated
- 2023-02-23
- Certified
- 2023-02-23
Frequently asked questions
- What is Julio Castillo's NPI number?
- Julio Castillo's National Provider Identifier (NPI) is 1417989203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julio Castillo's specialty?
- Julio Castillo is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Julio Castillo located?
- Julio Castillo's practice location on file with NPPES is 4100 W University Dr, Prosper, TX 75078-3123.
- What is Julio Castillo's phone number?
- The practice phone number listed in the NPPES registry for Julio Castillo is (945) 204-4100.
- Does Julio Castillo accept Medicare?
- Julio Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julio Castillo's NPI active?
- Yes — Julio Castillo's NPI (1417989203) is active in the NPPES registry as of the last update on 2023-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.