Gabriela Maria Negron Ocasio, MD
Internal Medicine Physician · San Juan, PR
Gabriela Maria Negron Ocasio, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1083104384, issued on May 14, 2018. Check the license (Puerto Rico 22819, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gabriela Maria Negron Ocasio
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22819 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1156 Calle 62 SE, San Juan, PR 00921
- Phone
- (787) 582-5257
- Enumerated
- May 14, 2018
- Record last updated
- Nov 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20240301000165); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 1156 Calle 62 SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marelisa Albelo Martinez, MDNeurology Physician1912407081
- Natalie Amaral NievesNeurological Surgery Physician1558861542
- Jadailine Bermudez SantosEndocrinology, Diabetes & Metabolism Physician1336648260
- Manuel Blanco CintronGeneral Practice Physician1144720053
- Adriana Cardona Cruz, MDPediatrics Physician1366941346
- Jose Cordero Hernandez, MD, PHDStudent in an Organized Health Care Education/Training Program1023518032
Verify Gabriela Maria Negron Ocasio 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 22819Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
881 Medicare Part D claims for 149 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate48 claims
- Atorvastatin Calcium44 claims
- Losartan Potassium43 claims
- Gabapentin41 claims
- Synthroid32 claims
- Famotidine26 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: $60.93
3 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Recinto DE Ciencias MedicasRio Piedras, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gabriela Maria Negron Ocasio among 1,146 internal medicine physician records in Puerto Rico
Gabriela Maria Negron Ocasio, MD 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 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2020 · median 1996 among the 595 with a school on file
- Record last updated2025 · 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).
322 internal medicine physician records list a practice address in San Juan
They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Juan Jose Bayron, M.D.San Juan, PR 009211932104015
- Francisco Bellaflores, MDRio Piedras, PR 009211689653222
- Hidelisa Borges-Aponte, MDSan Juan, PR 009211659329266
- Luzimar Conaway, MDSan Juan, PR 009211952394728
- Maria Correa, MDSan Juan, PR 009211215907381
- Hector Leon-Figueroa, MDRio Piedras, PR 009211225020704
- Milagros Marrero, MDSan Juan, PR 009211730169244
- Juan Montes Ruiz, MDSan Juan, PR 009211952391732
Common questions
What is Gabriela Maria Negron Ocasio, MD's NPI number?
Gabriela Maria Negron Ocasio, MD's National Provider Identifier (NPI) is 1083104384, issued on May 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gabriela Maria Negron Ocasio, MD located?
The NPPES record lists a practice address at 1156 Calle 62 SE, San Juan, PR, 00921. Phone: (787) 582-5257. Providers update this record themselves, so call before visiting.
How can I verify Gabriela Maria Negron Ocasio, MD's license?
NPPES lists Puerto Rico license number 22819, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Gabriela Maria Negron Ocasio, MD prescribe under Medicare Part D?
In 2024, Gabriela Maria Negron Ocasio, MD had 881 Medicare Part D claims for 149 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.