NPPES file of Aug 9, 2026

Nelson A. Matos-Fernandez, MD

Hematology & Oncology Physician · Santa Isabel, PR

Nelson A. Matos-Fernandez, MD is a hematology & oncology physician with a practice address in Santa Isabel, Puerto Rico, and NPI 1124214903, issued on Sep 14, 2007. Check the license (Puerto Rico 16901, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124214903
Name
Nelson A. Matos-Fernandez
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
16901 PR
Self-reported in NPPES; status is on the state search
Practice location
Carretera 153 KM 7.3 Plaza Santa Isabel Suite 15, Santa Isabel, PR 00797
Phone
(787) 845-0805
Enumerated
Sep 14, 2007
Record last updated
Jan 12, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(787) 845-0806
Medicare enrollment
Enrolled (PECOS I20100819001256); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Nelson A. Matos-Fernandez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 16901
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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2.3 times the Medicare Part D claims of the average hematology & oncology physician in 2024

1,975 Medicare Part D claims for 307 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 45 claims were for opioids.

  1. Nelson Matos-Fernandez1,975
  2. Specialty average877

Most prescribed

  1. Anastrozole669 claims
  2. Bicalutamide154 claims
  3. Letrozole68 claims
  4. Ondansetron Odt67 claims
  5. Prednisone61 claims
  6. Sprycel58 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $2,887.39

117 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nelson Matos-Fernandez$2,887.39
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nelson A. Matos-Fernandez among 134 hematology & oncology physician records in Puerto Rico

Nelson A. Matos-Fernandez, MD is one of 134 hematology & oncology physician records with a practice address in Puerto Rico. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 36% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1999 · median 2001 among the 98 with a school on file
  • Record last updated2011 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Puerto Rico

There are 134 hematology & oncology physician records in Puerto Rico.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Deana Hallman, M.D.Humacao, PR 007921780697094
  2. Ivan Aponte-Aponte, M.D.Humacao, PR 007911427139013
  3. Vivian Diaz Melendez, M.DHumacao, PR 007911265633135
  4. Ivelisse Irizarry, M.D.Humacao, PR 007911700884566
  5. Joel Lopez-FigueroaHumacao, PR 007911811271463
  6. Graciany Miranda, MD.Humacao, PR 007911386639995
  7. Alma Rivera, M.D.Humacao, PR 007911902919830
  8. Samuel Gonzalez, MDGuayama, PR 007841861474223

Common questions

What is Nelson A. Matos-Fernandez, MD's NPI number?

Nelson A. Matos-Fernandez, MD's National Provider Identifier (NPI) is 1124214903, issued on Sep 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nelson A. Matos-Fernandez, MD located?

The NPPES record lists a practice address at Carretera 153 KM 7.3 Plaza Santa Isabel Suite 15, Santa Isabel, PR, 00797. Phone: (787) 845-0805. Providers update this record themselves, so call before visiting.

How can I verify Nelson A. Matos-Fernandez, MD's license?

NPPES lists Puerto Rico license number 16901, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Nelson A. Matos-Fernandez, MD prescribe under Medicare Part D?

In 2024, Nelson A. Matos-Fernandez, MD had 1,975 Medicare Part D claims for 307 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.