Dr Guillermo Orestes Castellvi, MD - Medicare General Surgery in Tampa, FL

Dr Guillermo Orestes Castellvi, MD is a medicare enrolled "Surgery" physician in Tampa, Florida. He graduated from medical school in 1981 and has 43 years of diverse experience with area of expertise as General Surgery. His current practice location is 11033 Countryway Blvd, Suite A, Tampa, Florida. You can reach out to his office (for appointments etc.) via phone at (813) 496-9900.

Dr Guillermo Orestes Castellvi is licensed to practice in Florida (license number ME 44641) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1750413514.

Contact Information

Dr Guillermo Orestes Castellvi, MD
11033 Countryway Blvd, Suite A,
Tampa, FL 33626-2628
(813) 496-9900
(813) 496-9920

Map and Direction




Physician's Profile

Full NameDr Guillermo Orestes Castellvi
GenderMale
SpecialityGeneral Surgery
Experience43 Years
Location11033 Countryway Blvd, Tampa, Florida
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Guillermo Orestes Castellvi graduated from medical school in 1981
  NPI Data:
  • NPI Number: 1750413514
  • Provider Enumeration Date: 03/09/2007
  • Last Update Date: 03/17/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 8628113826
  • Enrollment ID: I20130801000094

Medical Identifiers

Medical identifiers for Dr Guillermo Orestes Castellvi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750413514NPI-NPPES
229183OtherFLAVMED
04050OtherFLBCBS OF FL
010022933OtherFLRAILROAD MEDICARE
259319000MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery ME 44641 (Florida)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. Dr Guillermo Orestes Castellvi allows following entities to bill medicare on his behalf.
Entity NameGuillermo Castellvi Md Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427421106
PECOS PAC ID: 8527367465
Enrollment ID: O20160428000421

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. Dr Guillermo Orestes Castellvi 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
Dr Guillermo Orestes Castellvi, MD
Po Box 320502,
Tampa, FL 33679-2502

Ph: (813) 496-9900
Dr Guillermo Orestes Castellvi, MD
11033 Countryway Blvd, Suite A,
Tampa, FL 33626-2628

Ph: (813) 496-9900

Reviews and Comments


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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.