NPPES file of Aug 9, 2026

Jeronimo Jose Ferriol Alonso, MD

Student in an Organized Health Care Education/Training Program · San Juan, PR

Jeronimo Jose Ferriol Alonso, MD is a student in an organized health care education/training program with a practice address in San Juan, Puerto Rico, and NPI 1770108789, issued on Jun 15, 2020. Check the license (Puerto Rico 16748-I, 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
1770108789
Name
Jeronimo Jose Ferriol Alonso
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
License number
16748-I PR
Self-reported in NPPES; status is on the state search
Practice location
1156 Calle 62 SE, San Juan, PR 00921
Phone
(787) 758-2525
Enumerated
Jun 15, 2020
Record last updated
Mar 26, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1156 Calle 62 SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marelisa Albelo Martinez, MDNeurology Physician1912407081
  2. Natalie Amaral NievesNeurological Surgery Physician1558861542
  3. Jadailine Bermudez SantosEndocrinology, Diabetes & Metabolism Physician1336648260
  4. Manuel Blanco CintronGeneral Practice Physician1144720053
  5. Adriana Cardona Cruz, MDPediatrics Physician1366941346
  6. Jose Cordero Hernandez, MD, PHDStudent in an Organized Health Care Education/Training Program1023518032

Verify Jeronimo Jose Ferriol Alonso 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 16748-I
    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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86% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

25 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Jeronimo Ferriol Alonso25
  2. Specialty average185

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.

Jeronimo Jose Ferriol Alonso among 3,166 student in an organized health care education/training program records in Puerto Rico

Jeronimo Jose Ferriol Alonso, MD is one of 3,166 student in an organized health care education/training program records with a practice address in Puerto Rico. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 8% of them.

  • NPI issued2020 · 8% of these records are older, 88% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2024 · 14% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,072 student in an organized health care education/training program records list a practice address in San Juan

They are 1,072 of the 8,960 NPPES records with a practice address in San Juan, and 3,166 student in an organized health care education/training program records in Puerto Rico.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Luis Felipe AlvarezSan Juan, PR 009211477916708
  2. David Quincy AtkinsSan Juan, PR 009211770901928
  3. Eva Frontera Hernandez, D.M.D.San Juan, PR 009211982068607
  4. Giannina Guardia Rullan, M.D.San Juan, PR 009211407295066
  5. Nicole Incle SerranoSan Juan, PR 009211639566029
  6. Luis Irizarry Nieves, MDSan Juan, PR 009211669925657
  7. Tara Mendez, PSYDSan Juan, PR 009211891245155
  8. Mario Mendoza, MDSan Juan, PR 009211336374610

Common questions

What is Jeronimo Jose Ferriol Alonso, MD's NPI number?

Jeronimo Jose Ferriol Alonso, MD's National Provider Identifier (NPI) is 1770108789, issued on Jun 15, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jeronimo Jose Ferriol Alonso, MD located?

The NPPES record lists a practice address at 1156 Calle 62 SE, San Juan, PR, 00921. Phone: (787) 758-2525. Providers update this record themselves, so call before visiting.

How can I verify Jeronimo Jose Ferriol Alonso, MD's license?

NPPES lists Puerto Rico license number 16748-I, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Jeronimo Jose Ferriol Alonso, MD prescribe under Medicare Part D?

In 2024, Jeronimo Jose Ferriol Alonso, MD had 25 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.