Marc S Pieniek, MD

Cardiovascular Disease Internal Medicine

Internal Medicine

Telehealth Available
NPI Active per CMS — Q2 2026

With over 36 years in internal medicine, Marc S Pieniek, MD is a long-established cardiologist in Plano. He graduated from Emory University School of Medicine in 1990 and has 36+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and ischemic_heart (per CMS claims data).

At a glance

  • Uses generic medications more than 34% of reporting doctors in Texas
  • Virtual visits available — no app or travel required
1 of 363 Internal Medicine providers in TXSee all Internal Medicine in Plano36+ years experienceNPI since 2006

Older · 1321dNPPES updated 2022-09-23 · verify on CMS

Contact & Location

Practice Location

3801 W 15th St Bldg B, Suite 320, Plano, TX 75075-4737

Fax: (844) 292-1457
Patient Condition Panel

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.

Hypertension
Higher than avg (+5%)75%

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

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+23%)55%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+23%) — a focus area for this doctor

Arthritis
Lower than avg (-4%)45%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-4%) — less common here

Diabetes
Higher than avg (+9%)43%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+9%) — a focus area for this doctor

Atrial Fibrillation
Higher than avg (+21%)43%

An irregular, often rapid heartbeat that increases the risk of stroke

US avg: 22%

↑ More patients than average (+21%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+11%)41%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+11%) — a focus area for this doctor

Heart Failure
Higher than avg (+18%)40%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+18%) — a focus area for this doctor

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1990

    Emory University School of Medicine

  2. Board certified · Sep 22, 2022

    CMS-verified certification date

  3. 36 years in practice

    Senior practitioner

Internal MedicineCardiovascular Disease in PlanoAllopathic & Osteopathic Physicians

Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.

Taxonomy: 207RC0000X

Education & Training

Emory University School of Medicine (Class of 1990)

Practice Footprint

Mailing address

16980 Dallas Pkwy Suite 200, Dallas, TX 75248-1908

Differs from practice location

Virtual Cardiovascular Disease Care With Marc S Pieniek

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Marc S Pieniek for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Plano required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Marc S Pieniek

Dr. Pieniek is listed as active in the NPI registry with telehealth listed in Plano, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (972) 985-8838.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

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.

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