NPPES file of Aug 9, 2026

Alicia E. Fernandez-Sein, MD

Pediatric Critical Care Medicine Physician · San Juan, PR

Alicia E. Fernandez-Sein, MD is a pediatric critical care medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1518941970, issued on Nov 30, 2005. Check the license (Puerto Rico 5399, 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
1518941970
Name
Alicia E. Fernandez-Sein
Credential
MD
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License number
5399 PR
Self-reported in NPPES; status is on the state search
Practice location
252 Calle San Jorge, San Juan, PR 00912
Phone
(787) 726-0210
Enumerated
Nov 30, 2005
Record last updated
Jul 13, 2026
Fax
(787) 728-5136
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 252 Calle San Jorge

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

  1. Luis Clavell, M.D.Pediatric Hematology & Oncology Physician1487639845
  2. Ivan Figueroa-Otero, MDPediatric Surgery Physician1588666770
  3. Yazmin Garcia, M.D.Pediatrics Physician1336100668
  4. Ricardo Garcia-De JesusPediatric Critical Care Medicine Physician1124007513
  5. Nanette Gonzalez, M.D.Pediatrics Physician1346286408
  6. Liliana Lojo, M.D.Pediatric Hematology & Oncology Physician1437353547

Verify Alicia E. Fernandez-Sein 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 5399
    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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22% more Medicare Part D claims than the average pediatric critical care medicine physician in 2024

56 Medicare Part D claims, against an average of 46 among the 83 providers of this specialty who prescribed in Part D.

  1. Alicia Fernandez-Sein56
  2. Specialty average46

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.

Alicia E. Fernandez-Sein among 30 pediatric critical care medicine physician records in Puerto Rico

Alicia E. Fernandez-Sein, MD is one of 30 pediatric critical care medicine physician records with a practice address in Puerto Rico. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 37% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0203X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Critical Care Medicine Physician providers in Puerto Rico

There are 30 pediatric critical care medicine physician records in Puerto Rico.

The 8 pediatric critical care medicine physician records with the nearest ZIP codes

  1. Geraldine Aldamuy, M.DSan Juan, PR 009121346201670
  2. Francisco Diaz, M.D.San Juan, PR 009121508826504
  3. Hilda Diaz, M.D.San Juan, PR 009121336335009
  4. Ricardo Garcia-De JesusSan Juan, PR 009121124007513
  5. Claudia Ocasio-Rodriguez, M.D.San Juan, PR 009121134476641
  6. Irma Ramos, MDSan Juan, PR 009121164482014
  7. Sandra Somohano, M.DSan Juan, PR 009121720191471
  8. Leila Malave, M.D.San Juan, PR 009071114986833

Common questions

What is Alicia E. Fernandez-Sein, MD's NPI number?

Alicia E. Fernandez-Sein, MD's National Provider Identifier (NPI) is 1518941970, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alicia E. Fernandez-Sein, MD located?

The NPPES record lists a practice address at 252 Calle San Jorge, San Juan, PR, 00912. Phone: (787) 726-0210. Providers update this record themselves, so call before visiting.

How can I verify Alicia E. Fernandez-Sein, MD's license?

NPPES lists Puerto Rico license number 5399, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Alicia E. Fernandez-Sein, MD prescribe under Medicare Part D?

In 2024, Alicia E. Fernandez-Sein, MD had 56 Medicare Part D claims; the average among pediatric critical care medicine physician prescribers was 46. 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.