Omayra Reyes Santiago, MD - Medicare Hematology/oncology in Cayey, PR

Omayra Reyes Santiago, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Cayey, Puerto Rico. She graduated from medical school in 2006 and has 18 years of diverse experience with area of expertise as Hematology/oncology. Her current practice location is Carr 14 Km 71.9, Int Bo Montellano, Cayey, Puerto Rico. You can reach out to her office (for appointments etc.) via phone at (787) 520-7211.

Omayra Reyes Santiago is licensed to practice in Puerto Rico (license number 17646) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1124287313.

Contact Information

Omayra Reyes Santiago, MD
Carr 14 Km 71.9, Int Bo Montellano,
Cayey, PR 00736
(787) 520-7211
(787) 520-7212

Map and Direction




Physician's Profile

Full NameOmayra Reyes Santiago
GenderFemale
SpecialityHematology/oncology
Experience18 Years
LocationCarr 14 Km 71.9, Cayey, Puerto Rico
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Omayra Reyes Santiago graduated from medical school in 2006
  NPI Data:
  • NPI Number: 1124287313
  • Provider Enumeration Date: 06/03/2008
  • Last Update Date: 07/10/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 3274845581
  • Enrollment ID: I20150629002806

Medical Identifiers

Medical identifiers for Omayra Reyes Santiago such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124287313NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 17646 (Puerto Rico)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hospital Menonita De CayeyCayey, PRHospital

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. Omayra Reyes Santiago allows following entities to bill medicare on her behalf.
Entity NameCentro Oncologico De Cayey Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063804680
PECOS PAC ID: 6103138409
Enrollment ID: O20150629002684

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. Omayra Reyes Santiago 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
Omayra Reyes Santiago, MD
Hc 73 Box 6440,
Cayey, PR 00736-9529

Ph: (787) 520-7211
Omayra Reyes Santiago, MD
Carr 14 Km 71.9, Int Bo Montellano,
Cayey, PR 00736

Ph: (787) 520-7211

Reviews and Comments


Internal Medicine Doctors in Cayey, PR

Mirelis M Fabian Argueta,
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Medicare: Accepting Medicare Assignments
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Phone: 787-535-1001    Fax: 787-535-1012
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Phone: 787-535-1001    Fax: 787-535-1012
Dr. Eric David Aviles, M.D.
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Phone: 787-738-2200    
Dr. Jose M. Marcial Suarez, M.D.
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Medicare: Accepting Medicare Assignments
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Phone: 787-388-9001    Fax: 787-738-2105
Alicia Mendez, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: Carr 14, Edificio Profesional Menonita Suite 207, Cayey, PR 00736
Phone: 787-263-0411    Fax: 787-263-0970
Dr. Mayra Velez Rivera, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: Hospital Menonita Cayey Carr 14 Km 72.0 Bo Rincon, Sec Lomas, Cayey, PR 00737
Phone: 787-535-1001    Fax: 787-535-1012

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.