Ivonne Esther Hernandez Castro, M.D.
Endocrinology, Diabetes & Metabolism Physician · Naranjito, PR
Ivonne Esther Hernandez Castro, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Naranjito, Puerto Rico, and NPI 1386136059, issued on May 30, 2018. Check the license (Puerto Rico 23152, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ivonne Esther Hernandez Castro
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 23152 PR
23-152 PR
Self-reported in NPPES; status is on the state search - Practice location
- Carretera 164 Sector EL Desvio, Naranjito, PR 00719
- Phone
- (787) 869-1290
- Enumerated
- May 30, 2018
- Record last updated
- Aug 4, 2026
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 144 in Puerto Rico → Look up another NPI →
Also registered at Carretera 164 Sector EL Desvio
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Gomez-NegronPharmacist1972207660
- Patricia Pantoja, LNDNutritionist1396134946
Verify Ivonne Esther Hernandez Castro 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 23152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
103 Medicare Part D claims for 21 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium14 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: $1,494.53
45 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Ivonne Esther Hernandez Castro among 144 endocrinology, diabetes & metabolism physician records in Puerto Rico
Ivonne Esther Hernandez Castro, M.D. is one of 144 endocrinology, diabetes & metabolism physician records with a practice address in Puerto Rico. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 87% of them.
- NPI issued2018 · 87% of these records are older, 6% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Puerto Rico
There are 144 endocrinology, diabetes & metabolism physician records in Puerto Rico.
All 144 in Puerto Rico → Every provider in Naranjito → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jose Garcia Mateo, MDPonce, PR 007171932275484
- Jose Montalvo-Figueroa, MD FACEPonce, PR 007171386646917
- Ismael Rodriguez, MDPonce, PR 007171750354478
- Cesar Trabanco, MDPonce, PR 007171104018654
- Zahira Lugo Lopez, M.D.Ponce, PR 007161437509346
- Francisco Nadal Colon, MDPonce, PR 007161669498358
- Nicolle Canales Ramos, MDCaguas, PR 007251740636026
- Amilcar Cintron, M.D.Caguas, PR 007251790751931
Common questions
What is Ivonne Esther Hernandez Castro, M.D.'s NPI number?
Ivonne Esther Hernandez Castro, M.D.'s National Provider Identifier (NPI) is 1386136059, issued on May 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ivonne Esther Hernandez Castro, M.D. located?
The NPPES record lists a practice address at Carretera 164 Sector EL Desvio, Naranjito, PR, 00719. Phone: (787) 869-1290. Providers update this record themselves, so call before visiting.
How can I verify Ivonne Esther Hernandez Castro, M.D.'s license?
NPPES lists Puerto Rico license number 23152, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ivonne Esther Hernandez Castro, M.D. prescribe under Medicare Part D?
In 2024, Ivonne Esther Hernandez Castro, M.D. had 103 Medicare Part D claims for 21 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.