Carl Alexander Zehner, M.D

Cardiovascular Disease Internal Medicine

Internal Medicine

Carl Alexander Zehner is a Cardiovascular Disease Internal Medicine specialist based in Houston, TX with over 9 years of clinical experience. Offers virtual telehealth visits.

(713) 792-6161Houston, TX
Telehealth Available
NPI Active per CMS — Q2 2026

Carl Alexander Zehner, M.D specializes in internal medicine, serving patients in Houston, TX in group practice. Trained at Emory University School of Medicine (class of 2017), he has been practicing for over 9 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).

1 of 363 Internal Medicine providers in TXSee all Internal Medicine in Houston9+ years experienceNPI since 2017

Older · 967dNPPES updated 2023-10-02 · verify NPI on CMS · Verify license at Texas Medical Board

Contact & Location

Practice Location

1515 Holcombe Blvd, Houston, TX 77030-4000

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 Arthritis.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
68%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
51%

Joint inflammation causing pain, swelling, and stiffness

Cancer
46%

Diseases involving abnormal cell growth with potential to spread to other body parts

Diabetes
42%

A condition where the body cannot properly regulate blood sugar levels

Ischemic Heart Disease
39%

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

Chronic Kidney Disease
37%

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

Anxiety Disorders
36%

Excessive worry or fear that interferes with daily life

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 · 2017

    Emory University School of Medicine

  2. Board certified · Oct 1, 2023

    Self-reported via NPPES

  3. 9 years in practice

    Established

Internal MedicineCardiovascular Disease in HoustonAllopathic & 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 2017)

Practice Footprint

Mailing address

Po Box 4439, Houston, TX 77210-4439

Differs from practice location

Virtual Cardiovascular Disease Care With Carl Alexander Zehner

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

Schedule a virtual visit with Carl Alexander Zehner for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Houston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Carl Alexander Zehner

NPI records show Dr. Zehner as active with telehealth listed in Houston, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (713) 792-6161.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · 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.

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