Nisar Ahmad, M.D.
With over 28 years in internal medicine, Nisar Ahmad, M.D. is a long-established hematologist in Harlingen. He has been practicing since 2006 — over 28 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and cancer.
At a glance
- Uses generic medications more than 27% of reporting doctors in Texas
- Virtual visits available — no app or travel required
Older · 1385dNPPES updated 2022-07-21 · verify on CMS
Contact & Location
Practice Location
1719 Treasure Hills Blvd, Harlingen, TX 78550-8912
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better9.94%
Texas avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+4.8 pts)
9.94% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better83.2%
Texas avg: 83.8 · US avg: 82.8
✓ Higher than most doctors nationally(+0.4 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
807
Unique beneficiaries
High volumePrescription Recipients
287
Patients prescribed
Prescriptions Written
1,519
Total claims
Total Medicare drug cost: $2.28M
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 Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+3%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-4%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+27%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-8%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-2%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-3%) — less common here
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+7%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.4k received from industry
92 transactions reported in 2018 ·Moderate 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 2018, attributed to Nisar Ahmad's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
28 years in practice
Experienced
Hematologists specialize in blood disorders including anemia, clotting disorders, hemophilia, sickle cell disease, lymphoma, leukemia, and other blood cancers. They manage anticoagulation therapy and blood transfusions.
Taxonomy: 207RH0000X
Virtual Internal Medicine Care With Nisar Ahmad
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Nisar Ahmad for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Harlingen 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 Nisar Ahmad
Dr. Ahmad is listed as active in the NPI registry with telehealth listed in Harlingen, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (956) 364-2131.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Nisar Ahmad
Practice Location
1719 Treasure Hills Blvd, Harlingen, TX 78550-8912
Mailing Address
1719 Treasure Hills Blvd, Harlingen, TX 78550-8912
This is a provider directory. Contact the office directly to schedule appointments.
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