Hector Silva Rivera, M.D.
NPI 1134194533 · Medical Oncology Physician · Coto Laurel, PR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hector Silva Rivera, M.D. is a Medical Oncology Physician provider in Coto Laurel, PR (NPI 1134194533).
Provider details
- NPI number
- 1134194533
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8170 (PR)
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
20 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
60 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $175 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $126 |
Typical Medicare-allowed amounts for these services range $126–$175 (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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 434 | 70 |
| Tamoxifen Citrate | 134 | 25 |
| Lenalidomidebrand: Revlimid | 106 | — |
| Ondansetron Hcl | 64 | 51 |
| Bicalutamide | 57 | — |
| Anastrozole | 55 | — |
| Leuprolide Acetatebrand: Lupron Depot | 52 | — |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 across 7 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
- 2006-02-20
- Last updated
- 2010-11-24
Frequently asked questions
- What is Hector Silva Rivera's NPI number?
- Hector Silva Rivera's National Provider Identifier (NPI) is 1134194533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hector Silva Rivera's specialty?
- Hector Silva Rivera is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hector Silva Rivera located?
- Hector Silva Rivera's practice location on file with NPPES is Carr. 506 Km 1.0, Coto Laurel, PR 00780-0000.
- What is Hector Silva Rivera's phone number?
- The practice phone number listed in the NPPES registry for Hector Silva Rivera is (787) 366-7772.
- Does Hector Silva Rivera accept Medicare?
- Hector Silva Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hector Silva Rivera's NPI active?
- Yes — Hector Silva Rivera's NPI (1134194533) is active in the NPPES registry as of the last update on 2010-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.