William V Martinez Jr, MD - Medicare Cardiac Surgery in Bradenton, FL

William V Martinez Jr, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Bradenton, Florida. He went to Jefferson Medical College Of Thomas Jefferson University and graduated in 1986 and has 38 years of diverse experience with area of expertise as Cardiac Surgery. He is a member of the group practice Riverview Cardiac Surgery Pa and his current practice location is 5304 4th Avenue Cir E, Bradenton, Florida. You can reach out to his office (for appointments etc.) via phone at (941) 744-2640.

William V Martinez Jr is licensed to practice in Florida (license number ME140886) 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 1639161649.

Contact Information

William V Martinez Jr, MD
5304 4th Avenue Cir E,
Bradenton, FL 34208-5624
(941) 744-2640
(941) 744-2650

Map and Direction




Physician's Profile

Full NameWilliam V Martinez Jr
GenderMale
SpecialityCardiac Surgery
Experience38 Years
Location5304 4th Avenue Cir E, Bradenton, 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:
  • William V Martinez Jr attended and graduated from Jefferson Medical College Of Thomas Jefferson University in 1986
  NPI Data:
  • NPI Number: 1639161649
  • Provider Enumeration Date: 08/16/2005
  • Last Update Date: 10/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8224137831
  • Enrollment ID: I20211026002599

Medical Identifiers

Medical identifiers for William V Martinez Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639161649NPI-NPPES
001328782MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 032878 (Connecticut)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) ME140886 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Fawcett Memorial HospitalPort charlotte, FLHospital
Manatee Memorial HospitalBradenton, FLHospital
Blake Medical CenterBradenton, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Riverview Cardiac Surgery Pa32745304564

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. William V Martinez Jr allows following entities to bill medicare on his behalf.
Entity NameRiverview Cardiac Surgery Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922053115
PECOS PAC ID: 3274530456
Enrollment ID: O20061102000148

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. William V Martinez Jr 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
William V Martinez Jr, MD
5304 4th Avenue Cir E,
Bradenton, FL 34208-5624

Ph: (941) 744-2640
William V Martinez Jr, MD
5304 4th Avenue Cir E,
Bradenton, FL 34208-5624

Ph: (941) 744-2640

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Bradenton, FL

Robert Thrift Ferguson, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 315 75th St W, Bradenton, FL 34209
Phone: 999-999-9999    
Dr. Richard James Peterson, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 623 39th St W, Suite 2, Bradenton, FL 34205
Phone: 941-744-2640    Fax: 941-744-2650
Dr. Alessandro Golino, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 5304 4th Avenue Cir E, Bradenton, FL 34208
Phone: 941-744-2640    Fax: 941-744-2650
Dr. Joseph P Alesnik, M.D
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 5304 4th Avenue Cir E, Bradenton, FL 34208
Phone: 941-744-2640    Fax: 941-744-2650

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.