John Wesley Mercer, M.D.
John Wesley Mercer, M.D. has been part of the Wylie medical community since 2006 in group practice. Trained at Louisiana State University School of Medicine in New Orleans (class of 1997), he has been practicing for over 29 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 21% of reporting doctors in Texas
- Uses generic medications more than 53% of reporting doctors in Texas
- Virtual visits available — no app or travel required
Older · 1208dNPPES updated 2023-01-18 · verify NPI on CMS · Verify license at Texas Medical Board
Contact & Location
Practice Location
600 Cooper Dr, Wylie, TX 75098-3970
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better4.02%
Texas avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-1.1 pts)
4.02% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better88%
Texas avg: 83.8 · US avg: 82.8
✓ Higher than most doctors nationally(+5.2 pts)
Typical range among reporting doctors in TexasHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
173
Unique beneficiaries
Standard volumePrescription Recipients
296
Patients prescribed
Prescriptions Written
5,595
Total claims
Total Medicare drug cost: $616k
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 Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-5%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-8%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-7%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$13 received from industry
1 transaction reported in 2024 ·Low 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 Wesley Mercer's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1997
Louisiana State University School of Medicine in New Orleans
Board certified · Jan 17, 2023
Self-reported via NPPES
29 years in practice
Experienced
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Education & Training
Louisiana State University School of Medicine in New Orleans (Class of 1997)
Virtual Family Medicine Care With John Wesley Mercer
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Wesley Mercer for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Wylie 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 Wesley Mercer
Dr. Mercer is listed as active in the NPI registry with telehealth listed in Wylie, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (972) 442-7325.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact John Wesley Mercer
Practice Location
600 Cooper Dr, Wylie, TX 75098-3970
Mailing Address
600 Cooper Dr, Wylie, TX 75098-3970
This is a provider directory. Contact the office directly to schedule appointments.
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