Marvin Matta Rivera, M.D
NPI 1629357488 · Hematology & Oncology Physician · Caguas, PR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Matta Rivera, M.D is a Hematology & Oncology Physician provider in Caguas, PR (NPI 1629357488).
Provider details
- NPI number
- 1629357488
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19307 (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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
34 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 | $168 |
Typical Medicare-allowed amounts for these services range $126–$168 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 87 | 19 |
| Rivaroxabanbrand: Xarelto | 45 | 14 |
| Lenalidomidebrand: Revlimid | 40 | — |
| Famotidine | 37 | 28 |
| Letrozole | 31 | — |
| Eltrombopag Olaminebrand: Promacta | 30 | — |
| Omeprazole | 29 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,636 across 74 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
Additional practice locations (1)
- 100 Ave LaurelBayamon, PR 00956-4816Phone: (787) 787-5151
Registry dates
- Enumerated
- 2011-08-11
- Last updated
- 2020-07-22
- Certified
- 2020-07-22
Frequently asked questions
- What is Marvin Matta Rivera's NPI number?
- Marvin Matta Rivera's National Provider Identifier (NPI) is 1629357488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Matta Rivera's specialty?
- Marvin Matta Rivera is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marvin Matta Rivera located?
- Marvin Matta Rivera's practice location on file with NPPES is Urb. Bairoa, Calle Santa Maria L 6, Caguas, PR 00725.
- What is Marvin Matta Rivera's phone number?
- The practice phone number listed in the NPPES registry for Marvin Matta Rivera is (787) 240-3438.
- Does Marvin Matta Rivera accept Medicare?
- Marvin Matta Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Matta Rivera's NPI active?
- Yes — Marvin Matta Rivera's NPI (1629357488) is active in the NPPES registry as of the last update on 2020-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.