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Dr. Thomas Cassidy, DO
Internal Medicine* Age 46
Dr. Thomas Cassidy, DO
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Dr. Thomas Cassidy, DO is an Internist in Bangor, ME.
Dr. Thomas Cassidy, DO
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Dr. Thomas Cassidy, DO

Internal Medicine* Age 46
Bangor, ME
Accepting new patients
20 years of experience
Dr. Thomas Cassidy, DO is an Internist in Bangor, ME.
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About Dr. Thomas Cassidy, DO

Dr. Cassidy graduated from University of New England College of Osteopathic Medicine. Dr. Thomas Cassidy, DO is an Internist in Bangor, ME and has 20 years experience. Dr. Cassidy's office accepts new patients. Dr. Cassidy is board certified in Internal Medicine.

Experience Check

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Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
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Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Tobacco Use Disorder
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Tobacco Use Disorder
Dehydration
Abdominal Pain
Acidosis
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Lower Respiratory Infection
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Adult Failure to Thrive
Alkalosis
All Headaches (incl. Migraine)
Allergic Rhinitis
Amenorrhea
Anaphylaxis
Anemia
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Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Asphyxia and Hypoxemia
Asthma
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Atherosclerosis
Back Pain
Balanoposthitis
Bedsores
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Benign Chronic Pain Syndrome
Bladder Infection
Blood in Urine (Hematuria)
Bronchiectasis
Bronchitis
Bruise of Face, Scalp, or Neck
Cachexia
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Calcium Metabolism Disorders
Cellulitis
Chest Pain
Chronic Pain
Chronic Sinusitis
Confusion
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Cystic Fibrosis
Deep Vein Thrombosis (DVT)
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Dizziness
Down Syndrome
Dyslipidemia
Dysphagia
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Essential Tremor
Fever
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Fibromyalgia
Foot Infection
Gait Abnormality
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gastroptosis
Gout
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Headache
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Heart Disease
Heart Palpitations
Heartburn
Hemorrhoids
Hernia
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Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Indigestion
Influenza (Flu)
Insomnia
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Intestinal Diverticulitis
Intestinal Diverticulosis
Iron Metabolism Disorders
Irritable Bowel Syndrome
Joint Pain
Leg and Foot Ulcers
Leukocytopenia
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Long COVID Disorder
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Migraine
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Mild Asthma
Mineral Metabolism Disorders
Muscle Cramping
Mycobacterial Lung Infection
Nail and Nail Bed Infection
Nail Infection
Nausea
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Neurogenic Bladder
Nighttime Urination (Nocturia)
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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Osteoarthritis
Osteoarthritis of Foot
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)
Pericardial Disease
Peripheral Nerve Disorders
Phlebitis and Thrombophlebitis
Phosphorus Metabolism Disorders
Pneumonia
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polymyositis
Polyneuropathy
Polyuria
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Radiculopathy
Rash
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Raynaud's Disease
Reflux Esophagitis
Restless Leg Syndrome
Rhabdomyolysis
Rosacea
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Sarcoidosis
Sciatica
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Secondary Diabetes Mellitus
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Swine Flu
Syphilis Infections
Thrush
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Thyroid Goiter
Tobacco Withdrawal
Transient Ischemic Attack (TIA)
Urinary Hesitancy
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Venous Compression
Venous Embolism and Thrombosis
Vertigo
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Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
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Yeast Infections
Immunization Administration

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Open Access Plus
    Cigna PPO
    Cigna HMO

Where Dr. Thomas Cassidy, DO Sees Patients

  1. 1 Northern Light Eastern Maine Medical Center
    489 State St, Bangor, ME 04401
    Icon Directions Right Arrow Directions Phone Icon (207) 973-6676
  2. 2 Office
    43 Whiting Hill Rd Ste 300, Brewer, ME 04412
    Icon Directions Right Arrow Directions Phone Icon (207) 973-7000

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Meet Dr. Thomas Cassidy, DO

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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Does Dr. Cassidy communicate via email?
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Does Dr. Cassidy specialize in working with children or adolescents?
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FAQs About Dr. Cassidy'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. Thomas Cassidy, DO. To arrange an appointment, call the number on Dr. Cassidy's profile.

Dr. Thomas Cassidy, DO is affiliated with Northern Light Eastern Maine Medical Center.

Yes, Dr. Thomas Cassidy, DO holds board certification in Internal Medicine.
Training & Medical Education
Medical Education
  • University of New England College of Osteopathic Medicine
    2006
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. Thomas Cassidy, DO Practices

  • Northern Light Eastern Maine Medical Center

    489 State St, Bangor, ME

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