Sixto Perez, MD - Medicare Hematology/oncology in San Juan, PR

Sixto Perez, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in San Juan, Puerto Rico. He went to University Of Puerto Rico School Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Hematology/oncology. His current practice location is 400 Ave Fd Roosevelt, Clinica Las Americas Suite 409, San Juan, Puerto Rico. You can reach out to his office (for appointments etc.) via phone at (787) 250-7338.

Sixto Perez is licensed to practice in Puerto Rico (license number 13860) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1649240110.

Contact Information

Sixto Perez, MD
400 Ave Fd Roosevelt, Clinica Las Americas Suite 409,
San Juan, PR 00918-2103
(787) 250-7338
(787) 764-6397

Map and Direction




Physician's Profile

Full NameSixto Perez
GenderMale
SpecialityHematology/oncology
Experience29 Years
Location400 Ave Fd Roosevelt, San Juan, Puerto Rico
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sixto Perez attended and graduated from University Of Puerto Rico School Of Medicine in 1995
  NPI Data:
  • NPI Number: 1649240110
  • Provider Enumeration Date: 01/25/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1850332784
  • Enrollment ID: I20050520000172

Medical Identifiers

Medical identifiers for Sixto Perez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649240110NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 13860 (Puerto Rico)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Sixto Perez allows following entities to bill medicare on his behalf.
Entity NamePrometheus Medical Group Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083183388
PECOS PAC ID: 3971839242
Enrollment ID: O20190724001314

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Sixto Perez is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sixto Perez, MD
Po Box 9021257,
San Juan, PR 00902-1257

Ph: (787) 250-7338
Sixto Perez, MD
400 Ave Fd Roosevelt, Clinica Las Americas Suite 409,
San Juan, PR 00918-2103

Ph: (787) 250-7338

Reviews and Comments


Internal Medicine Doctors in San Juan, PR

Dr. Antonio Luis Diaz Hernandez, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1492 Ave La Constitucion Suite 717, Edificio Centro Europa, San Juan, PR 00907
Phone: 787-723-5017    
Reynerio E Perez Ramirez, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1492 Ave Ponce De Leon, Cond Centro Europa Suite 717, Cardiocare & Vascular Cen, San Juan, PR 00907
Phone: 787-723-5015    
Dr. Noel Torres, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: University District Hospital Puerto Rico Medical Center, Bo. Monacillos, San Juan, PR 00935
Phone: 787-754-0101    
Dr. Gilberto Rivera,
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: Torre Auxilio Mutuo Ponce De Leon Ave 735, Suite 408, San Juan, PR 00917
Phone: 787-227-0408    Fax: 787-229-0408
Dr. Martha Yanetty Gomez, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: Carr 21 U 3 19, Las Lomas, San Juan, PR 00921
Phone: 787-775-0100    Fax: 787-775-0700
Dr. Alberto T Lopez-enriquez, MD,FACP
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 431 Ave Ponce De Leon, Nacional Plaza Suite 900, San Juan, PR 00917
Phone: 787-751-2277    Fax: 787-751-2278
Dr. Gregorio A. Cortes-soto, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1826 Ave Fernandez Juncos, San Juan, PR 00909
Phone: 787-726-8396    Fax: 787-727-6672

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.