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Dr. John McGreal, MD
Internal Medicine* Age 56
Dr. John McGreal, MD
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Dr. John McGreal, MD is an Internist in Ridgewood, NJ.
Dr. John McGreal, MD
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Dr. John McGreal, MD

Internal Medicine* Age 56
Ridgewood, NJ
Accepting new patients
31 years of experience
Dr. John McGreal, MD is an Internist in Ridgewood, NJ.
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About

Dr. McGreal graduated from City University of New York School of Medicine. Dr. John McGreal, MD is an Internist in Ridgewood, NJ and has 31 years experience. Dr. McGreal's office accepts new patients. Dr. McGreal is board certified in Internal Medicine.

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These providers are on the medical staff of Clara Maass Medical Center
These providers are on the medical staff of Clara Maass Medical Center.
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Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Abscess or Fluid Incision and Drainage
Electrocardiogram (EKG)
Arterial Blood Gas Test (ABG)
Abscess or Fluid Incision and Drainage
Electrocardiogram (EKG)
Arterial Blood Gas Test (ABG)
Abscess or Fluid Incision and Drainage
Electrocardiogram (EKG)
Urinary Tract Infection (UTI)
Tobacco Use Disorder
Dehydration
Immunization Administration
Joint Pain
Nausea
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Throat Pain
Constipation
Acute Upper Respiratory Infection
Wrist Sprain or Strain
Abdominal Pain
Acidosis
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Laryngitis
Acute Lower Respiratory Infection
Acute Pharyngitis
Acute Sinusitis
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Administrative Physical
Adult Failure to Thrive
Alkalosis
All Headaches (incl. Migraine)
Allergic Conjunctivitis
Allergic Rhinitis
Anal or Rectal Pain
Anemia
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Animal Allergies
Ankle Sprains and Strains
Anxiety
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Arthritis
Arthritis of the Elbow
Asphyxia and Hypoxemia
Asthma
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Ataxia
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Atherosclerosis
Back Pain
Bacterial Sepsis
Bedsores
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Black Eye
Bladder Infection
Blood in Urine (Hematuria)
Bronchiolitis
Bronchitis
Bronchospasm
Bruise of Face, Scalp, or Neck
Burn Injuries
Bursitis
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Cachexia
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Calcium Metabolism Disorders
Carpal Tunnel Syndrome
Cellulitis
Chest Pain
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Cold Sore
Conduct Disorder
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Deep Vein Thrombosis (DVT)
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dizziness
Down Syndrome
Dyshydrotic Eczema
Dyslipidemia
Dysphagia
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Fever
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Fibromyalgia
Foot Infection
Foot Sprain
Gait Abnormality
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gout
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Headache
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Heart Disease
Heart Palpitations
Hemorrhoids
Hernia
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hydrocele
Hyperkalemia
Hyperlipidemia
Hypertension
Hypogonadism
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Impetigo
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Influenza (Flu)
Insomnia
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Intestinal Diverticulitis
Intestinal Diverticulosis
Irritable Bowel Syndrome
Itchy Skin
Knee Sprain
Laryngitis
Leg and Foot Ulcers
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Long COVID Disorder
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Migraine
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Mineral Metabolism Disorders
Mononucleosis
Muscle Cramping
Muscle Spasm
Nail and Nail Bed Infection
Neck Strain (incl. Whiplash Injury)
Neurogenic Bladder
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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Orchitis
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Otitis Media
Overweight
Patellofemoral Pain Syndrome (PFPS)
Pharyngitis
Phosphorus Metabolism Disorders
Pinkeye (Conjunctivitis)
Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Prostatitis
Purpura
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Radiculopathy
Rash
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Reflux Esophagitis
Respiratory Syncytial Virus
Restless Leg Syndrome
Rhabdomyolysis
Sciatica
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Scrotal Pain
Second-Degree Burns
Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Strep Throat
Stye
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Swine Flu
Tension Headache
Testicular Dysfunction
Thyroid Goiter
Transient Ischemic Attack (TIA)
Urinary Incontinence
Urinary Stones
Venous Embolism and Thrombosis
Vertigo
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Viral Enteritis
Viral Infection
Wheezing
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Abscess or Cyst Drainage or Aspiration
Cyst Incision and Drainage
Incision and Removal of Foreign Object
Nail Avulsion and Excision
Pilonidal Cyst Removal
Puncture Aspiration

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Superior Health Plan
  • First Health (Coventry Health Care) PPO

Locations

  1. 1 Valley Hospital
    223 N Van Dien Ave, Ridgewood, NJ 07450
    Icon Directions Right Arrow Directions Phone Icon (201) 444-2019
  2. 2 City Medical of Upper East Side PLLC
    457 Atlantic Ave, Brooklyn, NY 11217
    Icon Directions Right Arrow Directions Phone Icon (718) 530-1144
  3. 3 Office
    228 Court St, Brooklyn, NY 11201
    Icon Directions Right Arrow Directions Phone Icon (718) 280-5362
  4. 4 Valley Health Pharmacy
    4 Valley Health Plz, Paramus, NJ 07652
    Icon Directions Right Arrow Directions Phone Icon (201) 447-8300

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About Me

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
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Frequently Asked Questions

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. John McGreal, MD. To arrange an appointment, call the number on Dr. McGreal's profile.

Dr. John McGreal, MD is affiliated with The Valley Hospital.

Yes, Dr. John McGreal, MD holds board certification in Internal Medicine.

Education
Medical Education
  • City University of New York School of Medicine
    1995
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.

Hospital Affiliations

  • The Valley Hospital

    4 Valley Health Plz, Paramus, NJ

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