Carlos Juan Chiesa, M.D.
Hematology & Oncology Physician · Bayamon, PR
Carlos Juan Chiesa, M.D. is a hematology & oncology physician with a practice address in Bayamon, Puerto Rico, and NPI 1487659462, issued on Jun 16, 2005. Check the license (Puerto Rico 5761, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos Juan Chiesa
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 5761 PR
Self-reported in NPPES; status is on the state search - Practice location
- #66 Santa Cruz St., Bayamon, PR 00960
- Phone
- (787) 787-5045
- Enumerated
- Jun 16, 2005
- Record last updated
- Sep 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (787) 798-1690
- Medicare enrollment
- Enrolled (PECOS I20120613000585); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 134 in Puerto Rico → Look up another NPI →
Also registered at #66 Santa Cruz St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zelma Fuxench Lopez, M.D.Infectious Disease Physician1184616336
Verify Carlos Juan Chiesa 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 5761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
529 Medicare Part D claims for 90 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 21 claims were for opioids.
Most prescribed
- Ondansetron Hcl28 claims
- Anastrozole27 claims
- Prednisone26 claims
- Abiraterone Acetate25 claims
- Imatinib Mesylate24 claims
- Verzenio24 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: $1,877.82
77 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Carlos Juan Chiesa among 134 hematology & oncology physician records in Puerto Rico
Carlos Juan Chiesa, M.D. is one of 134 hematology & oncology physician records with a practice address in Puerto Rico. 91% 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, 84% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1975 · median 2001 among the 98 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Puerto Rico
There are 134 hematology & oncology physician records in Puerto Rico.
All 134 in Puerto Rico → Every provider in Bayamon → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Myrna Andino-Camacho, MDBayamon, PR 009591164723508
- Kenel Fernandes Barbosa, MDBayamon, PR 009611104919166
- Madeleine Garcia Soberal, MDBayamon, PR 009611851384697
- Robert Hunter, MDBayamon, PR 009611588657522
- Jose Ortega Sanchez, M.D.Bayamon, PR 009591689823452
- Yelitza Ruiz, M.D.Bayamon, PR 009611952412918
- Elias Sobrino, MDBayamon, PR 009611598182719
- Jose Sobrino CatoniPuerto Rico, PR 009591174602064
Common questions
What is Carlos Juan Chiesa, M.D.'s NPI number?
Carlos Juan Chiesa, M.D.'s National Provider Identifier (NPI) is 1487659462, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Juan Chiesa, M.D. located?
The NPPES record lists a practice address at #66 Santa Cruz St., Bayamon, PR, 00960. Phone: (787) 787-5045. Providers update this record themselves, so call before visiting.
How can I verify Carlos Juan Chiesa, M.D.'s license?
NPPES lists Puerto Rico license number 5761, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos Juan Chiesa, M.D. prescribe under Medicare Part D?
In 2024, Carlos Juan Chiesa, M.D. had 529 Medicare Part D claims for 90 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.