REGAN NICHOLE CASTELLANOS DNP, APRN, CPNP-AC
NPI 1427980374
Nurse Practitioner - Pediatrics, Critical Care in Houston, TX
About Regan Nichole Castellanos Dnp, Aprn, Cpnp-ac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REGAN NICHOLE CASTELLANOS DNP, APRN, CPNP-AC (NPI 1427980374) is an individual pediatrics, critical care provider in Houston, Texas, licensed in Texas (1241673) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Regan Nichole Castellanos Dnp, Aprn, Cpnp-ac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Regan Castellanos's NPI number?
The NPI number for Regan Castellanos is 1427980374. It was assigned to this individual provider in the NPPES registry on June 2, 2026. The provider is also known as Regan Nichole Williams Dnp, Aprn, Cpnp-Ac.
Where is Regan Castellanos located?
Regan Castellanos practices at 6411 Fannin St, Houston, TX 77030. The listed phone number is (713) 704-5437.
What is Regan Castellanos's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.
Is Regan Castellanos enrolled in Medicare?
Yes. Regan Castellanos is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Regan Castellanos was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Regan Nichole Castellanos, DNP, APRN, CPNP-AC · NPI 1427980374
Pediatrics, Critical Care physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 2, 2026.
## Identity
- **NPI:** 1427980374 (Entity type: Individual)
- **Enumerated:** June 2, 2026
- **Primary specialty:** Nurse Practitioner - Pediatrics, Critical Care · taxonomy 363LP0222X
- **State license:** 1241673 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6411 FANNIN ST, Houston, TX 77030-1501
- **Phone:** (713) 704-5437
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** July 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1427980374) · Data from the CMS NPPES public registry.