Dr. William V. Martinez Jr., MD
- Medicare services, 2024
- 351
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 19
- MIPS score, 2024
- 77
- Hospital affiliations
- 1
- Practice address
- 5304 4 Avenue E Cir, Bradenton, FL 34208
- Practice phone
- Call (941) 744-2640
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverview Cardiac Surgery
Bradenton, Florida
Find Dr. Martinez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William V. Martinez Jr. is a cardiothoracic surgeon in Bradenton, Florida
Dr. Martinez practices at Riverview Cardiac Surgery in Bradenton, Florida.
Dr. Martinez's NPI, 1639161649, was assigned on August 16, 2005. Dr. Martinez graduated from Jefferson Medical College of Thomas Jefferson University in 1986. Dr. Martinez holds Florida license ME140886.
- NPI
- 1639161649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224137831
- NPI enumeration date
- August 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (941) 744-2640
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William V. Martinez Jr. practices at Riverview Cardiac Surgery in Bradenton, Florida
Dr. Martinez's primary practice is Riverview Cardiac Surgery, at 5304 4 Avenue E Cir, Bradenton, FL 34208 in Manatee County. The practice phone is (941) 744-2640.
- Riverview Cardiac Surgery5304 4 Avenue E Cir, Bradenton, FL 34208 · Manatee CountyPhone(941) 744-2640
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William V. Martinez Jr. is affiliated with 4 sites of care and 1 medical group
Dr. Martinez's primary practice is Riverview Cardiac Surgery in Bradenton, Florida. Dr. Martinez is also affiliated with HCA Florida Fawcett Hospital. The medical group on file is Riverview Cardiac Surgery. Dmand AI also links Dr. Martinez to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William V. Martinez Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverview Cardiac Surgery | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William V. Martinez Jr. is one of 418 cardiothoracic surgeons in Florida
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Martinez's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dmand AI has Dr. Martinez's licenses on file in 2 states: Florida and Connecticut.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), FloridaPrimary
- Connecticut license
Cardiothoracic surgeons near Dr. Martinez
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William V. Martinez Jr. billed Medicare for 351 services in 2024
CMS data shows 351 Medicare services from Dr. Martinez across 8 procedure codes in 2024, for 163 Medicare patients. Medicare paid $104,298 for them.
Dr. Martinez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2592024: 2465%
- Surgery
- 2023: 1142024: 1058%
Where Dr. Martinez's Medicare services took place, 2024
- In an office6017%
- In a facility29183%
Dr. Martinez compared with the Florida median for cardiothoracic surgeons, 2024
- Dr. Martinez
- Florida median
- Medicare services
- 351vs 1592.2 times
- Medicare patients
- 163vs 11048% above
- Part D claims
- 19vs 2421% below
Medians across 347 cardiothoracic surgeons in Florida with Dmand AI profiles that report each measure.
Dr. Martinez's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martinez and other cardiothoracic surgeons in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William V. Martinez Jr. treated 163 Medicare patients in 2024, average age 77
CMS counts 163 Medicare patients who saw Dr. Martinez in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Martinez's median patient age at 77, with 32% women.
Dr. Martinez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Martinez's Medicare patients by sex, 2024
- Women4829%
- Men11571%
Chronic conditions among Dr. Martinez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure62%
- Atrial fibrillation59%
- Chronic kidney disease46%
- Arthritis45%
- COPD42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Martinez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women32%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William V. Martinez Jr. wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Martinez wrote 19 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. They cover 1 drug, with $305 in total drug cost. In 2017, CMS named 24 claims across 1 drug.
Dr. Martinez's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 242018: 1921%
Drugs named by CMS: 1 in 2018, 1 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William V. Martinez Jr. scored 77 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 77 out of 100 for Dr. Martinez for performance year 2024, reported as part of a group. Dr. Martinez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of coronary artery bypass graft (cabg) by Dr. Martinez, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Martinez's MIPS scores, performance year 2024
- 77of 100Final score
- 53.3of 100Quality
- 40of 100Improvement Activities
- 68of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Martinez ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 86th percentile33 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William V. Martinez Jr. received $6,814 in industry payments from 2016 to 2025
CMS Open Payments shows 68 general payments to Dr. Martinez from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 77% of the total. Edwards Lifesciences Corporation paid the most, $2,504.
General payments to Dr. Martinez by program year, 2016 to 2025
General payments to Dr. Martinez by kind, 2016 to 2025
- Food and beverage$5,21877%
- Travel and lodging$1,59623%
Companies that paid Dr. Martinez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William V. Martinez Jr. graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Martinez graduated from Jefferson Medical College of Thomas Jefferson University in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William V. Martinez Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William V. Martinez Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William V. Martinez Jr.'s NPI number?
Dr. William V. Martinez Jr.'s NPI number is 1639161649. It was assigned on August 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William V. Martinez Jr.?
Dr. William V. Martinez Jr. is a cardiothoracic surgeon in Bradenton, Florida. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. William V. Martinez Jr. practice?
Dr. Martinez practices at 5304 4 Avenue E Cir, Bradenton, FL 34208. Dr. Martinez's primary practice is Riverview Cardiac Surgery in Bradenton, Florida. Dmand AI also links Dr. Martinez to 1 group practice or clinic and 1 home health agency.
What is Dr. William V. Martinez Jr.'s office phone number?
The practice phone on file for Dr. Martinez is (941) 744-2640.
What is Dr. William V. Martinez Jr.'s medical license number?
Dr. Martinez holds Florida license ME140886, one of the licenses on file in 2 states.
Which states has Dr. William V. Martinez Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Martinez in Florida and Connecticut.
Which hospitals is Dr. William V. Martinez Jr. affiliated with?
Dr. Martinez is affiliated with HCA Florida Fawcett Hospital.
What medical group is Dr. William V. Martinez Jr. part of?
Dr. Martinez is linked to Riverview Cardiac Surgery.
Does Dr. William V. Martinez Jr. accept Medicare?
Yes. CMS data shows Dr. Martinez billed Medicare for 351 services in 2024, and Dr. Martinez accepts Medicare assignment.
What is Dr. William V. Martinez Jr.'s MIPS score?
Dr. Martinez's MIPS final score for performance year 2024 is 77 out of 100, reported as part of a group.
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How many Medicare patients does Dr. William V. Martinez Jr. see?
CMS counts 163 Medicare patients who saw Dr. Martinez in 2024, with an average age of 77.
What services does Dr. William V. Martinez Jr. bill to Medicare?
In 2024, Dr. Martinez's most billed Medicare services were hospital inpatient care (99231), office visit, new patient (99205) and hospital inpatient care (99223).
Where did Dr. William V. Martinez Jr. go to medical school?
Dr. Martinez graduated from Jefferson Medical College of Thomas Jefferson University in 1986.
What drugs does Dr. William V. Martinez Jr. prescribe most?
In 2018 Medicare Part D data, Dr. Martinez's most prescribed drugs by claims were Cephalexin.
Has Dr. William V. Martinez Jr. received payments from drug or device companies?
CMS Open Payments shows $6,814 in general payments to Dr. Martinez from 9 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. William V. Martinez Jr. been practicing?
Dr. Martinez graduated from medical school in 1986, 40 years ago.
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