Ruben Javier Cruz Chamorro, MD, MS
Radiation Oncology Physician · San Juan, PR
Ruben Javier Cruz Chamorro, MD, MS is a radiation oncology physician with a practice address in San Juan, Puerto Rico, and NPI 1740832062, issued on Jul 16, 2019. Check the license with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ruben Javier Cruz Chamorro
- Credential
- MD, MS
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- ME170356 FL
Self-reported in NPPES; status is on the state search - Practice location
- AV. Juan Ponce DE Leon, Hato Rey Central, San Juan, PR 00919
- Phone
- (787) 758-2000
- Enumerated
- Jul 16, 2019
- Record last updated
- Jun 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20250917000153); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 20 in Puerto Rico → Look up another NPI →
Verify Ruben Javier Cruz Chamorro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Tome And Ubinas Radio Oncology CenterSan Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruben Javier Cruz Chamorro among 20 radiation oncology physician records in Puerto Rico
Ruben Javier Cruz Chamorro, MD, MS is one of 20 radiation oncology physician records with a practice address in Puerto Rico. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 0% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2020 · median 1991 among the 15 with a school on file
- Record last updated2025 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Puerto Rico
There are 20 radiation oncology physician records in Puerto Rico.
All 20 in Puerto Rico → Every provider in San Juan → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Winston Imbert De Iturrondo, MDSan Juan, PR 009181255416301
- Jaime Tome Vila, MDSan Juan, PR 009181386729598
- Betty Gil-Munoz, M.D.San Juan, PR 009211972587293
- Marisol Rodriguez-Hernandez, M.D.San Juan, PR 009211639153679
- Joshua Rodriguez-Lopez, M.D.San Juan, PR 009211114473097
- Benjamin Weinberg, M.D., M.A., FACRSan Juan, PR 009211295052264
- Pedro Morales-Hernandez, MDSan Juan, PR 009261508843764
- Carlos Chevere, M.D.Rio Piedras, PR 009351023025285
Common questions
What is Ruben Javier Cruz Chamorro, MD, MS's NPI number?
Ruben Javier Cruz Chamorro, MD, MS's National Provider Identifier (NPI) is 1740832062, issued on Jul 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ruben Javier Cruz Chamorro, MD, MS located?
The NPPES record lists a practice address at AV. Juan Ponce DE Leon, Hato Rey Central, San Juan, PR, 00919. Phone: (787) 758-2000. Providers update this record themselves, so call before visiting.
How can I verify Ruben Javier Cruz Chamorro, MD, MS's license?
Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity 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.