CLAUDIA CASTILLO
NPI 1841847498
Nurse Practitioner - Family in Waller, TX
About Claudia Castillo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAUDIA CASTILLO (NPI 1841847498) is an individual family provider in Waller, Texas, licensed in Texas (142657) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Shenandoah, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Claudia Castillo is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Claudia Castillo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 clinicians in this Medicare group
Houston, TX 77024
- Reassigned Medicare billing, Texas enrollment
- 408 clinicians in this Medicare group
Sugar Land, TX 77479
- Reassigned Medicare billing, Texas enrollment
- 160 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77484 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Claudia Castillo's NPI number?
The NPI number for Claudia Castillo is 1841847498. It was assigned to this individual provider in the NPPES registry on August 19, 2019.
Where is Claudia Castillo located?
Claudia Castillo practices at 19001 Kermier Rd Ste 1012, Waller, TX 77484. The listed phone number is (936) 931-5200.
What is Claudia Castillo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Claudia Castillo enrolled in Medicare?
Yes. Claudia Castillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Claudia Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudia Castillo reassigns Medicare benefits to 3 organizations: Memorial Hermann Medical Group (Fulshear, TX), Memorial Hermann Hospital Based Physician Group (Houston, TX) and Memorial Hermann Urgent Care PLLC (Sugar Land, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Claudia Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claudia Castillo accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and WellPoint list Claudia Castillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Claudia Castillo was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Claudia Castillo · NPI 1841847498
Family physician in Waller, Texas. Individual provider, active in the CMS NPPES registry since August 19, 2019.
## Identity
- **NPI:** 1841847498 (Entity type: Individual)
- **Enumerated:** August 19, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 142657 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 19001 KERMIER RD STE 1012, Waller, TX 77484-8810
- **Phone:** (936) 931-5200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX); Memorial Hermann Hospital Based Physician Group (NPI 1295363497, Houston, TX); Memorial Hermann Urgent Care PLLC (NPI 1730821208, Sugar Land, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** November 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1841847498) · Data from the CMS NPPES public registry.