Miguel A. Diaz Ferriol, MD
Hematology & Oncology Physician · Ponce, PR
Miguel A. Diaz Ferriol, MD is a hematology & oncology physician with a practice address in Ponce, Puerto Rico, and NPI 1245767193, issued on May 22, 2017. Check the license (Puerto Rico 21779, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Miguel A. Diaz Ferriol
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 21779 PR
Self-reported in NPPES; status is on the state search - Practice location
- Calle Acacia Suite 101, Ponce, PR 00716
- Phone
- (787) 284-4830
- Enumerated
- May 22, 2017
- Record last updated
- Aug 13, 2024
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 134 in Puerto Rico → Look up another NPI →
Verify Miguel A. Diaz Ferriol in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 21779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
15 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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: $2,032.28
65 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Miguel A. Diaz Ferriol among 134 hematology & oncology physician records in Puerto Rico
Miguel A. Diaz Ferriol, 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 2017, is newer than 95% of them.
- NPI issued2017 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2024 · 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.
All 134 in Puerto Rico → Every provider in Ponce → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Anna Di Marco, M.D.Ponce, PR 007161992981690
- Maryknoll De La Paz, MDPonce, PR 007171740414291
- Rolando Jimenez, M.D.Ponce, PR 007171780691238
- Roberto Velazquez Torres, MDPonce, PR 007171588622674
- Hector Velez Cortes, MDPonce, PR 007171952405425
- Yazmin Corujo Sanchez, MDCaguas, PR 007251265564694
- Evelyn Fonseca Rivera, M.D.Caguas, PR 007251659398949
- Aitsa Jimenez Velez, MDCaguas, PR 007251891731675
Common questions
What is Miguel A. Diaz Ferriol, MD's NPI number?
Miguel A. Diaz Ferriol, MD's National Provider Identifier (NPI) is 1245767193, issued on May 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Miguel A. Diaz Ferriol, MD located?
The NPPES record lists a practice address at Calle Acacia Suite 101, Ponce, PR, 00716. Phone: (787) 284-4830. Providers update this record themselves, so call before visiting.
How can I verify Miguel A. Diaz Ferriol, MD's license?
NPPES lists Puerto Rico license number 21779, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Miguel A. Diaz Ferriol, MD prescribe under Medicare Part D?
In 2024, Miguel A. Diaz Ferriol, MD had 15 Medicare Part D claims; 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.