SAMANTHA CASTILLO MD
NPI 1326433095
Radiology - Diagnostic Radiology in Houston, TX
About Samantha Castillo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMANTHA CASTILLO MD (NPI 1326433095) is an individual diagnostic radiology provider in Houston, Texas, licensed in Texas (R4949) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Samantha Castillo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
11Medicare enrollment records show Samantha Castillo reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shenandoah, TX 77380
- Reassigned Medicare billing, Texas enrollment
- 1,278 clinicians in this Medicare group
Austin, TX 78723
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 206 clinicians in this Medicare group
Dallas, TX 75243
- Reassigned Medicare billing, Texas enrollment
- 216 clinicians in this Medicare group
Plano, TX 75075
- Reassigned Medicare billing, Texas enrollment
- 213 clinicians in this Medicare group
Plano, TX 75093
- Reassigned Medicare billing, Texas enrollment
- 137 clinicians in this Medicare group
Grapevine, TX 76051
- Reassigned Medicare billing, Texas enrollment
- 194 clinicians in this Medicare group
Carrollton, TX 75010
- Reassigned Medicare billing, Texas enrollment
- 201 clinicians in this Medicare group
Allen, TX 75013
- Reassigned Medicare billing, Texas enrollment
- 229 clinicians in this Medicare group
Frisco, TX 75034
- Reassigned Medicare billing, Texas enrollment
- 223 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 77040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77040
HOUSTON, TX 77040
HOUSTON, TX 77040
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 Samantha Castillo's NPI number?
The NPI number for Samantha Castillo is 1326433095. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Samantha Castillo located?
Samantha Castillo practices at 13333 Northwest Fwy Ste 540, Houston, TX 77040. The listed phone number is (713) 461-3573.
What is Samantha Castillo's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Samantha Castillo enrolled in Medicare?
Yes. Samantha Castillo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Samantha Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Castillo reassigns Medicare benefits to 11 organizations: Singleton Associates PA (Shenandoah, TX), University Of Texas Southwestern Medical Center At Dallas (Austin, TX), North Star Mcd, LLC (Dallas, TX), North Star Fp, LP (Dallas, TX), North Star Diagnostic Imaging, LLC (Plano, TX) and 6 more organizations, listed in the Medicare section above. 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 Samantha Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samantha Castillo accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Sendero Health Plans, Local Nonprofit list Samantha 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 Samantha Castillo was last updated on June 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Samantha Castillo, MD · NPI 1326433095
Diagnostic Radiology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since March 31, 2015.
## Identity
- **NPI:** 1326433095 (Entity type: Individual)
- **Enumerated:** March 31, 2015
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** R4949 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 13333 NORTHWEST FWY STE 540, Houston, TX 77040-6166
- **Phone:** (713) 461-3573
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Singleton Associates PA (NPI 1487811766, Shenandoah, TX); University Of Texas Southwestern Medical Center At Dallas (NPI 1871729376, Austin, TX); North Star Mcd, LLC (NPI 1538548177, Dallas, TX); North Star Fp, LP (NPI 1033630835, Dallas, TX); North Star Diagnostic Imaging, LLC (NPI 1467787739, Plano, TX); and 6 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1326433095) · Data from the CMS NPPES public registry.