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  • Family Medicine, Internal Medicine
  • 43 years of experience
  • Saint Catherine Of Siena Medical Center 50 Route 25a, Smithtown, NY 11787
  • (631) 862-3000

Brief Intro

Dr. Guo graduated from the Zhongshan School of Medicine Sun Yat-Sen University in 1982. He works in Smithtown, NY and 1 other location and specializes in Family Medicine and Internal Medicine. Dr. Guo is affiliated with Newyork Presbyterian Lower Manhattan Hospital.

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Education Background

RESIDENCY

New England Medical Center

MEDICAL SCHOOL

Zhongshan School Of Medicine Sun Yat-Sen University - 1982

Languages Spoken

  • English
  • Chinese

Location & Hours

  • Saint Catherine Of Siena Medical Center
  • 50 Route 25a, Smithtown, NY 11787

Specialties Treated

  • Family Medicine
  • Internal Medicine

Conditions Addressed

  • Diabetes Mellitus (DM)
  • Skin Rash
  • Hemorrhoids
  • Bronchial Asthma
  • Candidiasis of Vulva and Vagina
  • Urinary Incontinence
  • Diabetic Retinopathy
  • Hemolytic Anemia
  • Benign Neoplasm of Breast
  • Septicemia
  • Plantar Warts
  • Candidiasis
  • Diverticulosis
  • Skin and Subcutaneous Infections
  • Malignant Neoplasm of Female Breast
  • Infectious Liver Disease
  • Peripheral Nerve Disorders
  • Depressive Disorders
  • Uterine Leiomyoma
  • Esophagitis
  • Vitamin D Deficiency
  • Menopausal and Postmenopausal Disorders
  • Constipation
  • Cardiac Arrhythmia
  • Schizophrenia
  • Carpal Tunnel Syndrome (CTS)
  • Psoriasis
  • Attention Deficit Disorder (ADD)
  • Herpes Zoster
  • Scoliosis or Kyphoscoliosis
  • Tinea Unguium
  • Hyperthyroidism
  • Sexually Transmitted Diseases (STDs)
  • Hypertension (HTN)
  • Anxiety Dissociative and Somatoform Disorders
  • Irritable Bowel Syndrome (IBS)
  • Thoracic Aortic Aneurysm
  • Parkinson's Disease
  • Abnormal Vaginal Bleeding
  • Gastritis and Duodenitis
  • Rheumatoid Arthritis
  • Burns
  • Herpes Simplex
  • Obstructive Sleep Apnea
  • Inflammatory Bowel Disease (IBD)
  • Vitamin B12 Deficiency Anemia
  • Acne
  • Benign Paroxysmal Positional Vertigo
  • Gingival and Periodontal Diseases
  • Lateral Epicondylitis
  • Cirrhosis
  • Deviated Nasal Septum
  • Breast Disorders
  • Benign Polyps of the Colon
  • Hearing Loss
  • Herpes Genitalis
  • Hypothyroidism
  • Atrial Fibrillation and Atrial Flutter
  • Gout
  • Gastrointestinal Hemorrhage
  • Non-Toxic Goiter
  • Eczema
  • Acute Pharyngitis
  • Dementia
  • Athlete's Foot
  • Glaucoma
  • Anxiety Phobic Disorders
  • Erectile Dysfunction (ED)
  • Genital HPV
  • Fractures, Dislocations, Derangement, and Sprains
  • Obesity
  • Anemia
  • Iron Deficiency Anemia
  • Rotator cuff syndrome
  • Calculus of the Urinary System
  • Chronic Bronchitis
  • Osteoporosis
  • Pneumonia
  • Tension Headache
  • Bipolar Disorder
  • Cataract
  • Disorders of Lipoid Metabolism
  • Acute Conjunctivitis
  • Contact Dermatitis
  • Acute Bronchitis
  • Insomnia
  • Acute Upper Respiratory Tract Infections
  • Allergic Rhinitis
  • Gastroesophageal Reflux Disease (GERD)
  • Prostatitis
  • Restless Leg Syndrome
  • Sciatica
  • Chronic Renal Disease
  • Osteoarthritis
  • Benign Prostatic Hypertrophy (BPH)
  • Acute Sinusitis
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Oscar Health Insurance
  • CenterLight Healthcare
  • VillageCareMax
  • Fidelis Care (NY)
  • Humana
  • MetroPlus Health Plan
  • Medicaid
  • HealthFirst (NY)
  • STLDentalPlan| LLC
  • Superior Vision
  • Aetna
  • Centers Plan for Healthy Living
  • UnitedHealthcare
  • Wellcare
  • Cigna
  • Molina Healthcare
  • Senior Whole Health
  • AmeriGroup
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  • Cancer 43
  • Cardiology, Heart & Vascular Surgery 31
  • Orthopedics 75
  • Neurology & Neurosurgery 60
  • Gastroenterology & GI Surgery 75
  • Pulmonology & Lung Surgery 91
  • Diabetes & Endocrinology 44
  • Children's Hospital 22
  • Urology 87
  • Psychiatry 103
  • Geriatrics 82
  • Rehabilitation 38
  • Obsterics & Gynecology 17
  • Ophthalmology 4
  • Ear, Nose & Throat 11
  • Rheumatology 2
  • Long Term Care 3
  • Maternity Care (Uncomplicated Pregnancy) 60