NPPES file of Aug 9, 2026

Isabel E. Cestero, M. D.

Internal Medicine Physician · Bayamon, PR

Isabel E. Cestero, M. D. is an internal medicine physician with a practice address in Bayamon, Puerto Rico, and NPI 1043313471, issued on Sep 7, 2006. Check the license (Puerto Rico 4506, 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
1043313471
Name
Isabel E. Cestero
Credential
M. D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4506 PR
Self-reported in NPPES; status is on the state search
Practice location
Route #2 KM 11.7 Bayamon Medical Plaza, Bayamon, PR 00959
Phone
(787) 786-0473
Enumerated
Sep 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(787) 786-9718
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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Verify Isabel E. Cestero 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 4506
    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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78% fewer Medicare Part D claims than the average internal medicine physician in 2024

684 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Isabel Cestero684
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate47 claims
  2. Atorvastatin Calcium41 claims
  3. Synthroid38 claims
  4. Metoprolol Succinate37 claims
  5. Famotidine31 claims
  6. Gabapentin30 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.

Isabel E. Cestero among 1,146 internal medicine physician records in Puerto Rico

Isabel E. Cestero, M. D. is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2007 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

117 internal medicine physician records list a practice address in Bayamon

They are 117 of the 2,958 NPPES records with a practice address in Bayamon, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Carlos Acosta, MDBayamon, PR 009591821092586
  2. Francisco Aldarondo Garcia, MDBayamon, PR 009591689620544
  3. Orlando Aponte Aponte, MDFACRBayamon, PR 009591104817725
  4. Luis Gonzalez-Ingles, MDBayamon, PR 009591962490219
  5. Francisco Loubriel Ortiz, M.D.Bayamon, PR 009591659371391
  6. Julio Mantero Hormazabal, M.D.Bayamon, PR 009591124024542
  7. Ivan Ramos, MDBaymon, PR 009591184602781
  8. Angel Rivera Cotto, MDBayamon, PR 009591831171636

Common questions

What is Isabel E. Cestero, M. D.'s NPI number?

Isabel E. Cestero, M. D.'s National Provider Identifier (NPI) is 1043313471, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Isabel E. Cestero, M. D. located?

The NPPES record lists a practice address at Route #2 KM 11.7 Bayamon Medical Plaza, Bayamon, PR, 00959. Phone: (787) 786-0473. Providers update this record themselves, so call before visiting.

How can I verify Isabel E. Cestero, M. D.'s license?

NPPES lists Puerto Rico license number 4506, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Isabel E. Cestero, M. D. prescribe under Medicare Part D?

In 2024, Isabel E. Cestero, M. D. had 684 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.