William Martinez, MD
NPI 1639161649 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Bradenton, FL
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Martinez, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Bradenton, FL (NPI 1639161649).
Provider details
- NPI number
- 1639161649
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 032878 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
351 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 70 | $49 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 60 | $216 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $77 |
| Repair of Left Upper Heart Chamber With Implant With Review By Radiologist33340 | 34 | $599 |
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$355 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2525 Harbor Blvd Ste 203Port Charlotte, FL 33952-5342Phone: (941) 744-2640Fax: (941) 744-2650
- 2237 US Highway 27 SSebring, FL 33870-4936Phone: (941) 744-2640Fax: (941) 744-2650
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2025-11-25
- Certified
- 2025-11-25
Frequently asked questions
- What is William Martinez's NPI number?
- William Martinez's National Provider Identifier (NPI) is 1639161649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Martinez's specialty?
- William Martinez is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is William Martinez located?
- William Martinez's practice location on file with NPPES is 300 Riverside Dr E Ste 3100, Bradenton, FL 34208-1024.
- What is William Martinez's phone number?
- The practice phone number listed in the NPPES registry for William Martinez is (941) 744-2640.
- Does William Martinez accept Medicare?
- William Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Martinez's NPI active?
- Yes — William Martinez's NPI (1639161649) is active in the NPPES registry as of the last update on 2025-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.