Sixto Perez Garcia, MD
Hematology & Oncology Physician · San Juan, PR
Sixto Perez Garcia, MD is a hematology & oncology physician with a practice address in San Juan, Puerto Rico, and NPI 1649240110, issued on Jan 25, 2006. Check the license (Puerto Rico 13860, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sixto Perez Garcia
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 13860 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1789 Carr 21 Ste 301, San Juan, PR 00921
- Phone
- (787) 250-7338
- Enumerated
- Jan 25, 2006
- Record last updated
- Jan 27, 2026
- Fax
- (787) 705-7974
- Medicare enrollment
- Enrolled (PECOS I20050520000172); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 134 in Puerto Rico → Look up another NPI →
Verify Sixto Perez Garcia 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 13860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average hematology & oncology physician in 2024
944 Medicare Part D claims for 158 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 60 claims were for opioids.
Most prescribed
- Anastrozole212 claims
- Hydroxyurea80 claims
- Dexamethasone55 claims
- Ondansetron Odt46 claims
- Omeprazole41 claims
- Retacrit35 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: $3,235.18
145 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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.
Sixto Perez Garcia among 134 hematology & oncology physician records in Puerto Rico
Sixto Perez Garcia, MD 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 51% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1995 · median 2001 among the 98 with a school on file
- Record last updated2026 · 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 San Juan → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Natalia Almodovar Arbelo, MDSan Juan, PR 009211114381902
- Norma Arroyo, M.D.San Juan, PR 009211750391454
- William Caceres, MDSan Juan, PR 009211518910801
- Elizabeth Calderon-Alicea, MDSan Juan, PR 009211285883520
- Miguel Colon Donate, MDSan Juan, PR 009211609262781
- Armando Garcia, M.D.San Juan, PR 009211346347515
- Awilda Maldonado-Mercado, MDSan Juan, PR 009211316930431
- Natalia Mestres FrancoSan Juan, PR 009211013416056
Common questions
What is Sixto Perez Garcia, MD's NPI number?
Sixto Perez Garcia, MD's National Provider Identifier (NPI) is 1649240110, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sixto Perez Garcia, MD located?
The NPPES record lists a practice address at 1789 Carr 21 Ste 301, San Juan, PR, 00921. Phone: (787) 250-7338. Providers update this record themselves, so call before visiting.
How can I verify Sixto Perez Garcia, MD's license?
NPPES lists Puerto Rico license number 13860, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Sixto Perez Garcia, MD prescribe under Medicare Part D?
In 2024, Sixto Perez Garcia, MD had 944 Medicare Part D claims for 158 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.