Harold Alberto Fernandez, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

(631) 444-1820Stony Brook, NY
Telehealth Available
NPI Active per CMS — Q2 2026

Patients across NY can see Harold Alberto Fernandez, M.D. in person in Stony Brook or via virtual visit — no travel required. He graduated from Harvard Medical School in 1993 and has 33+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and ischemic_heart (per CMS data).

1 of 92 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in NYSee all Thoracic Surgery (Cardiothoracic Vascular Surgery) in Stony Brook33+ years experienceNPI since 2006

Older · 4954dNPPES updated 2012-10-12 · verify on CMS

Contact & Location

Practice Location

100 Nicolls Rd Hsc L19-080, Stony Brook, NY 11794-8191

Fax: (631) 444-8963
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
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

Ischemic Heart Disease
75%

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

Heart Failure
55%

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

Arthritis
54%

Joint inflammation causing pain, swelling, and stiffness

Atrial Fibrillation
50%

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

Chronic Kidney Disease
46%

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

Diabetes
44%

A condition where the body cannot properly regulate blood sugar levels

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 · 1993

    Harvard Medical School

  2. 33 years in practice

    Senior practitioner

Thoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Taxonomy: 208G00000X

Education & Training

Harvard Medical School (Class of 1993)

Virtual Thoracic Surgery (Cardiothoracic Vascular Surgery) Care With Harold Alberto Fernandez

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

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

Frequently Asked Questions

Common questions about Harold Alberto Fernandez

NPI records show Dr. Fernandez as active with telehealth listed in Stony Brook, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (631) 444-1820.

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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