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Dr. Alexander Hallac, MD
Internal Medicine* Age 37
Dr. Alexander Hallac, MD
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Dr. Alexander Hallac, MD is an Internist in Greenwich, CT.
Dr. Alexander Hallac, MD
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Dr. Alexander Hallac, MD

Internal Medicine* Age 37
Greenwich, CT
Accepting new patients
Dr. Alexander Hallac, MD is an Internist in Greenwich, CT.
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About Dr. Alexander Hallac, MD

Dr. Alexander Hallac, MD is an Internist in Greenwich, CT. Dr. Hallac's office accepts new patients. Dr. Hallac is board certified in Internal Medicine and accepts multiple insurance plans.

Compare with other Internists

Compare Dr. Hallac with our nearby Internists at Memorial Sloan Kettering Cancer Center
These providers are on the medical staff of Memorial Sloan Kettering Cancer Center
These providers are on the medical staff of Memorial Sloan Kettering Cancer Center.
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Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Abdominal Pain
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Abdominal Pain
Acidosis
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Failure
Acute Lower Respiratory Infection
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Adult Failure to Thrive
Alcohol Withdrawal
All Headaches (incl. Migraine)
Anxiety
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Aortic Aneurysm
Aortic Dissection
Aortic Valve Disease
Arrhythmias
Arthritis
Arthritis of the Elbow
Asphyxia and Hypoxemia
Asthma
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Atrial Fibrillation
Atrial Flutter
Back Pain
Bacterial Sepsis
Bedsores
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Bladder Atony
Bleeding Disorders
Blood in Urine (Hematuria)
Bronchitis
Cachexia
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Cardiomyopathy
Cardiomyopathy, Dilated
Cerebral Artery Thrombosis
Chest Pain
Chronic Pain
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Chronic Sinusitis
Cluster Headache
Concussion
Congestive Heart Failure
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Coronary Artery Disease (CAD)
Cough
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Deep Vein Thrombosis (DVT)
Dehydration
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Ketoacidosis
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dyslipidemia
Dysphagia
Elbow Bursitis
Embolism
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Emphysema
Endometriosis
Enlarged Prostate (BPH)
Epilepsy
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Esophagitis
Fever
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Fibromyalgia
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gastroptosis
Gout
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Heart Attack (Acute Myocardial Infarction)
Heart Disease
Heart Palpitations
Hiatal Hernia
Human Immunodeficiency Virus (HIV)
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypoglycemia
Hypokalemia
Hyposmolality and Hyponatremia
Hypotension
Hypotension (Excluding Maternal)
Hypoxemia
Influenza (Flu)
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Irritable Bowel Syndrome
Joint Pain
Leg and Foot Ulcers
Leukocytopenia
Limb Pain
Low Back Pain
Malaise and Fatigue
Malnutrition
Menstrual Disorders
Migraine
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Muscle Weakness
Nausea
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Neurogenic Bladder
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Shoulder
Pancreatitis
Pelvic Abscess
Peripheral Vascular Disease (PAD, PVD)
Pharyngitis
Pneumonia
Post-Concussion Syndrome
Primary Pulmonary Hypertension
Pulmonary Embolism
Pulmonary Hypertension
Reflux Esophagitis
Respiratory Failure
Rib Fracture
Rotator Cuff Tear
Sarcoidosis
Sciatica
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Secondary Hypertension
Sepsis
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Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sickle Cell Disease
Sinus Tachycardia
Sinusitis
Sprains and Strains (incl. Muscle Tear)
Stroke
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Swine Flu
Thrush
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Tobacco Use Disorder
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Venous Insufficiency
Wheezing
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Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • MVP Health Plan EPO
  • HealthyBlue Advantage
  • Freedom
    Liberty
  • Open Access Plus
    Cigna PPO
  • APCN Choice POS II

Where Dr. Alexander Hallac, MD Sees Patients

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Meet Dr. Alexander Hallac, MD

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Hallac communicate via email?
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Does Dr. Hallac offer telehealth services or virtual visits?
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Does Dr. Hallac offer an online patient portal?
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Does Dr. Hallac have free onsite parking?
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Does Dr. Hallac offer weekend visits?
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Does Dr. Hallac offer evening visits?
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Does Dr. Hallac specialize in working with children or adolescents?
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Does Dr. Hallac specialize in working with seniors?
No responses yet.
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Does Dr. Hallac specialize in couples therapy?
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Does Dr. Hallac specialize in working with LGBTQ+ community?
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Does Dr. Hallac accept insurance?
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FAQs About Dr. Hallac's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Alexander Hallac, MD. To arrange an appointment, call the number on Dr. Hallac's profile.

Dr. Alexander Hallac, MD is affiliated with Greenwich Hospital.

Yes, Dr. Alexander Hallac, MD holds board certification in Internal Medicine.

Training & Medical Education
Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospitals Where Dr. Alexander Hallac, MD Practices

  • Greenwich Hospital

    5 Perryridge Rd, Greenwich, CT

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