Carlos Rivera, MD
NPI 1851488407 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Rivera, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1851488407).
Provider details
- NPI number
- 1851488407
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L9450 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 663 | 232 |
| Levothyroxine Sodium | 345 | 111 |
| Amlodipine Besylate | 276 | 103 |
| Simvastatin | 254 | 86 |
| Omeprazole | 224 | 79 |
| Tamsulosin Hcl | 221 | 69 |
| Losartan Potassium | 215 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2026-05-28
- Certified
- 2026-05-28
Frequently asked questions
- What is Carlos Rivera's NPI number?
- Carlos Rivera's National Provider Identifier (NPI) is 1851488407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Rivera's specialty?
- Carlos Rivera is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Rivera located?
- Carlos Rivera's practice location on file with NPPES is 560 Meyerland Plaza Mall, Houston, TX 77096-1615.
- What is Carlos Rivera's phone number?
- The practice phone number listed in the NPPES registry for Carlos Rivera is (713) 442-3222.
- Does Carlos Rivera accept Medicare?
- Carlos Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Rivera's NPI active?
- Yes — Carlos Rivera's NPI (1851488407) is active in the NPPES registry as of the last update on 2026-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.