Samuel Rivera, M.D.
NPI 1235334400 · Internal Medicine Physician · Hatillo, PR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Rivera, M.D. is a Internal Medicine Physician provider in Hatillo, PR (NPI 1235334400).
Provider details
- NPI number
- 1235334400
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 201418 (LA)
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 276 | 118 |
| Midazolam Hcl | 191 | 173 |
| Midazolam Hcl/Pfbrand: Midazolam Hcl | 191 | 173 |
| Fentanyl Citrate/Pfbrand: Fentanyl Citrate | 117 | 107 |
| Flumazenil | 83 | 74 |
| Pantoprazole Sodium | 55 | 15 |
| Cholestyraminebrand: Cholestyramine Light | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$687 across 21 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
- 2007-06-18
- Last updated
- 2011-06-20
Frequently asked questions
- What is Samuel Rivera's NPI number?
- Samuel Rivera's National Provider Identifier (NPI) is 1235334400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Rivera's specialty?
- Samuel Rivera is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Rivera located?
- Samuel Rivera's practice location on file with NPPES is Policlinica Bayaney Carr 129 Km. 15.1, Hatillo, PR 00659.
- What is Samuel Rivera's phone number?
- The practice phone number listed in the NPPES registry for Samuel Rivera is (787) 898-7990.
- Does Samuel Rivera accept Medicare?
- Samuel Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Rivera's NPI active?
- Yes — Samuel Rivera's NPI (1235334400) is active in the NPPES registry as of the last update on 2011-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.