Roy Riascos Castaneda, MD
NPI 1265516512 · Diagnostic Radiology Physician · Galveston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Riascos Castaneda, MD is a Diagnostic Radiology Physician provider in Galveston, TX (NPI 1265516512).
Provider details
- NPI number
- 1265516512
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- FTL41240 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
495 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 248 | $39 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 64 | $79 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 55 | $81 |
| Mri Scan of Brain Without Contrast70551 | 33 | $69 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 25 | $68 |
| Mri Scan of Brain Before and After Contrast70553 | 23 | $107 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$541 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Roy Riascos Castaneda's NPI number?
- Roy Riascos Castaneda's National Provider Identifier (NPI) is 1265516512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Riascos Castaneda's specialty?
- Roy Riascos Castaneda is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Riascos Castaneda located?
- Roy Riascos Castaneda's practice location on file with NPPES is 301 University Blvd, Galveston, TX 77555-1022.
- What is Roy Riascos Castaneda's phone number?
- The practice phone number listed in the NPPES registry for Roy Riascos Castaneda is (409) 772-2222.
- Does Roy Riascos Castaneda accept Medicare?
- Roy Riascos Castaneda is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Riascos Castaneda's NPI active?
- Yes — Roy Riascos Castaneda's NPI (1265516512) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.