Angel Rivera Castro, MD
NPI 1942721766 · Hospitalist Physician · Webster, TX
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Angel Rivera Castro, MD is a Hospitalist Physician provider in Webster, TX (NPI 1942721766).
Provider details
- NPI number
- 1942721766
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- U4113 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
472 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 243 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 104 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 67 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 58 | $174 |
Typical Medicare-allowed amounts for these services range $79–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 27 | 27 |
| Pantoprazole Sodium | 21 | 21 |
| Amlodipine Besylate | 20 | 18 |
| Metoprolol Succinate | 19 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 17 |
| Potassium Chloride | 15 | — |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 across 2 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
- 2017-07-01
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Angel Rivera Castro's NPI number?
- Angel Rivera Castro's National Provider Identifier (NPI) is 1942721766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Angel Rivera Castro's specialty?
- Angel Rivera Castro is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Angel Rivera Castro located?
- Angel Rivera Castro's practice location on file with NPPES is 1010 S Ponds Dr, Webster, TX 77598-1409.
- What is Angel Rivera Castro's phone number?
- The practice phone number listed in the NPPES registry for Angel Rivera Castro is (713) 442-4300.
- Does Angel Rivera Castro accept Medicare?
- Angel Rivera Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Angel Rivera Castro's NPI active?
- Yes — Angel Rivera Castro's NPI (1942721766) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.