Nelson Matos-Fernandez, MD
NPI 1124214903 · Hematology & Oncology Physician · Santa Isabel, PR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Matos-Fernandez, MD is a Hematology & Oncology Physician provider in Santa Isabel, PR (NPI 1124214903).
Provider details
- NPI number
- 1124214903
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16901 (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
18 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
44 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $89 |
Typical Medicare-allowed amounts for these services range $89–$89 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 669 | 110 |
| Bicalutamide | 154 | 23 |
| Letrozole | 68 | 13 |
| Ondansetronbrand: Ondansetron Odt | 67 | 34 |
| Prednisone | 61 | 23 |
| Dasatinibbrand: Sprycel | 58 | — |
| Dexamethasone | 57 | 24 |
| Famotidine | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,887 across 117 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
- 2007-09-14
- Last updated
- 2011-01-12
Frequently asked questions
- What is Nelson Matos-Fernandez's NPI number?
- Nelson Matos-Fernandez's National Provider Identifier (NPI) is 1124214903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Matos-Fernandez's specialty?
- Nelson Matos-Fernandez is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Matos-Fernandez located?
- Nelson Matos-Fernandez's practice location on file with NPPES is Carretera 153 Km 7.3 Plaza Santa Isabel Suite 15, Santa Isabel, PR 00797-0000.
- What is Nelson Matos-Fernandez's phone number?
- The practice phone number listed in the NPPES registry for Nelson Matos-Fernandez is (787) 845-0805.
- Does Nelson Matos-Fernandez accept Medicare?
- Nelson Matos-Fernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelson Matos-Fernandez's NPI active?
- Yes — Nelson Matos-Fernandez's NPI (1124214903) is active in the NPPES registry as of the last update on 2011-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.