Jason Landon Smith, MD

Hematology & Oncology

Internal Medicine

(512) 396-5199San Marcos, TX
Telehealth Available
NPI Active per CMS — Q2 2026

Jason Landon Smith, MD has been part of the San Marcos medical community since 2007 in group practice. Trained at Duke University School of Medicine (class of 2004), he has been practicing for over 22 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).

1 of 415 Internal Medicine providers in TXSee all Internal Medicine in San Marcos22+ years experienceNPI since 2007

Older · 5171dNPPES updated 2012-03-09 · verify on CMS

Contact & Location

Practice Location

1308 Wonder World Dr, San Marcos, TX 78666-7532

Fax: (512) 454-4575
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 Cancer.

Hypertension
75%

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

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Cancer
48%

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

Arthritis
45%

Joint inflammation causing pain, swelling, and stiffness

Ischemic Heart Disease
33%

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

Diabetes
32%

A condition where the body cannot properly regulate blood sugar levels

Chronic Kidney Disease
26%

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

Mood Disorders
25%

Conditions affecting emotional state, including depression and bipolar disorder

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 · 2004

    Duke University School of Medicine

  2. 22 years in practice

    Experienced

Internal MedicineHematology & Oncology in San MarcosAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Taxonomy: 207RH0003X

Education & Training

Duke University School of Medicine (Class of 2004)

Practice Footprint

Mailing address

Po Box 911230, Dallas, TX 75391-1230

Differs from practice location

Virtual Hematology & Oncology Care With Jason Landon Smith

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

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

Frequently Asked Questions

Common questions about Jason Landon Smith

NPI records show Dr. Smith as active with telehealth listed in San Marcos, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (512) 396-5199.

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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