Mahmoud Gaballa, M.D.

Hematology & Oncology

Internal Medicine

Mahmoud Gaballa is a Hematology & Oncology specialist based in Houston, TX with over 19 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(713) 792-6161Houston, TX
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Mahmoud Gaballa, M.D. specializes in internal medicine, serving patients in Houston, TX in group practice. He has been practicing since 2011 — over 19 years. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

1 of 415 Internal Medicine providers in TXSee all Internal Medicine in Houston19+ years experienceNPI since 2011

Older · 1241dNPPES updated 2022-12-29 · verify NPI on CMS · Verify license at Texas Medical Board

Contact & Location

Practice Location

1515 Holcombe Blvd, Houston, TX 77030-4000

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

183

Unique beneficiaries

Standard volume

Prescription Recipients

89

Patients prescribed

Prescriptions Written

384

Total claims

Total Medicare drug cost: $1.21M

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.

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
69%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
57%

Joint inflammation causing pain, swelling, and stiffness

Chronic Kidney Disease
46%

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

Diabetes
38%

A condition where the body cannot properly regulate blood sugar levels

Ischemic Heart Disease
38%

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

Anxiety Disorders
36%

Excessive worry or fear that interferes with daily life

Heart Failure
31%

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

GeneralBehavioralNational avg

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

Industry Payment Transparency

$991 received from industry

6 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

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 Mahmoud Gaballa's NPI.

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Background & Specialty

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

Career Journey
  1. Board certified · Dec 28, 2022

    Self-reported via NPPES

  2. 19 years in practice

    Experienced

Internal MedicineHematology & Oncology in HoustonAllopathic & 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

Practice Footprint

Mailing address

P O Box 4439, Houston, TX 77210-4439

Differs from practice location

Virtual Hematology & Oncology Care With Mahmoud Gaballa

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

Schedule a virtual visit with Mahmoud Gaballa 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. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Mahmoud Gaballa

Dr. Gaballa is listed as active in the NPI registry 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 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · 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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