Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William V Martinez Jr., MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1639161649

William V Martinez Jr., MD is a Cardiac Surgery in Bradenton, Florida. Graduated from Jefferson Medical College of Thomas Jefferson University in 1986, 40 years ago. Practices with Riverview Cardiac Surgery PA, a 6-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut and Florida.

Years since qualifying
40
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CT, FL
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

300 Riverside Dr E Ste 3100
Bradenton, FL 34208-1024
Phone: (941) 744-2640
Fax: (941) 744-2650
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2525 Harbor Blvd Ste 203, Port Charlotte, FL 33952-5342 — (941) 744-2640
  • 2237 Us Highway 27 S, Sebring, FL 33870-4936 — (941) 744-2640

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence ME140886 (FL)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 032878 (CT)

Record details

NPI number1639161649
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 16, 2005
Last updated in NPPESNovember 25, 2025
Certification dateNovember 25, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC SURGERY
Also practisesTHORACIC SURGERY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1986 (40 years in practice)
Group practice Riverview Cardiac Surgery Pa — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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