John Fierros Canales, M.D.
Interventional Cardiology Internal Medicine
Also practices: PERIPHERAL VASCULAR DISEASE
John Fierros Canales, M.D. has practiced internal medicine for 23+ years, working in group practice. He graduated from Washington University School of Medicine in 2003 and has 23+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and ischemic_heart (per CMS data). CMS MIPS quality score: 100/100 (2023).
At a glance
- Uses generic medications more than 35% of reporting doctors in Texas
- Federal MIPS score higher than 97% of MIPS-scored doctors in Texas
- Virtual visits available — no app or travel required
Older · 1385dNPPES updated 2022-07-21 · verify on CMS
Contact & Location
Practice Location
12709 Toepperwein Rd Suite 306, Live Oak, TX 78233-3258
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 97% of doctors in Texas on federal quality measures, favors affordable generic drugs over brand-name ones.
MIPS Score
2023100/100
Texas avg: 79.1 · US avg: 83.6
✓ Higher than most doctors nationally(+16.4 pts)
Top 3% of MIPS-scored doctors in TexasHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better85.4%
Texas avg: 83.8 · US avg: 82.8
✓ Higher than most doctors nationally(+2.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
1,953
Unique beneficiaries
High volumePrescription Recipients
864
Patients prescribed
Prescriptions Written
5,601
Total claims
Total Medicare drug cost: $858k
Percentile rankings compared against 4,889 reporting peers in Texas.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Ischemic Heart Disease.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+18%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+11%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+13%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+13%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.3k received from industry
45 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to John Fierros Canales's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2003
Washington University School of Medicine in St. Louis
23 years in practice
Experienced
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Taxonomy: 207RI0011X
Education & Training
Washington University School of Medicine (Class of 2003)
Mailing address
4411 Medical Dr Suite 300, San Antonio, TX 78229-3822
Differs from practice location
Virtual Interventional Cardiology Care With John Fierros Canales
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Fierros Canales for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Live Oak required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about John Fierros Canales
NPI records show Dr. Canales as active with telehealth listed in Live Oak, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (210) 967-0096.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact John Fierros Canales
Practice Location
12709 Toepperwein Rd Suite 306, Live Oak, TX 78233-3258
Mailing Address
4411 Medical Dr Suite 300, San Antonio, TX 78229-3822
This is a provider directory. Contact the office directly to schedule appointments.
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