Dr. Fredrick An, DO

Dr. Fredrick An, DO

Internal Medicine  ·  
Male  ·  
Age 37
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Dr. Fredrick An, DO is an internal medicine specialist in Gresham, OR. He specializes in internal medicine.

24800 SE Stark St

Gresham, OR 97030

Contact Information

Insurance Accepted

  • Aetna
  • American Republic
  • Cigna
  • Commercial Insurance Company
  • CoreSource
  • Health Net
  • Humana
  • Kaiser Permanente
  • MedHealthInsurance
  • 6 More

*Please verify this information when scheduling an appointment.

Background Check

No malpractice claims found for Oregon
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

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Dr. An's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Acidosis
  • Acute Bronchitis
  • Acute Deep Vein Thrombosis (DVT)
  • Acute Pharyngitis
  • Acute Postoperative Pain
  • Acute Sinusitis
  • Acute Upper Respiratory Infection
  • Acute Venous Embolism Thrombosis
  • ADHD and-or ADD
  • Alkalosis
  • All Headaches (incl. Migraine)
  • All Types of Food Poisoning
  • Allergic Reaction
  • Allergic Rhinitis
  • Anal Disorders
  • Anaphylaxis
  • Anemia
  • Anemia and Iron Deficiency Screening
  • Anxiety
  • Arterial Blood Gas Test (ABG)
  • Arthritis
  • Arthritis of the Elbow
  • Arthropathy Associated With Reiters Disease
  • Asthma
  • Ataxia
  • Atherosclerosis
  • Athlete's Foot
  • Autonomic Disorders
  • Back Pain
  • Bedsores
  • Bell's Palsy
  • Benign Chronic Pain Syndrome
  • Bladder Atony
  • Bladder Diseases
  • Bladder Infection
  • Blood Disorders
  • Blood in Urine (Hematuria)
  • Bone Disorders
  • Breast Diseases
  • Bronchiectasis
  • Bronchitis
  • Bronchospasm
  • Bruise of Face, Scalp, or Neck
  • Bursitis
  • Calcium Metabolism Disorders
  • Candidiasis of Skin and Nails
  • Cardiovascular Stress Test
  • Celiac Disease
  • Cellulitis
  • Chest Pain
  • Cholesterol Screening
  • Chronic Deep Vein Thrombosis (DVT)
  • Chronic Interstitial Cystitis
  • Chronic Neck Pain
  • Chronic Pain
  • Chronic Sinusitis
  • Chronic Venous Embolism Thrombosis
  • Confusion
  • Constipation
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Coronary Artery Disease (CAD)
  • Cough
  • Deep Vein Thrombosis (DVT)
  • Dehydration
  • Dermatitis
  • Dermatitis Due to Drugs
  • Dermatitis Due to Substances Taken Internally
  • Diabetes Counseling
  • Diabetes Mellitus, Secondary
  • Diabetes Screening
  • Diabetes Type 1
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Polyneuropathy
  • Diarrhea
  • Diverticulosis, Intestinal
  • Dizziness
  • Dysentery
  • Dysphagia
  • Ear Ache
  • Ear Disorders
  • Elbow Injuries
  • Electrocardiogram (EKG)
  • Emphysema
  • Enlarged Prostate (BPH)
  • Enteritis
  • Esophageal Diseases
  • Esophagitis
  • Essential Tremor
  • Fecal Occult Blood Test for Colorectal Cancer
  • Fever
  • Fibromyalgia
  • Folliculitis
  • Food Poisoning
  • Foot Conditions
  • Fungal Infections
  • Fungal Nail Infection
  • Gait Abnormality
  • Gas-Bloat Syndrome
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Diseases
  • Gastroparesis
  • Genital Herpes
  • Gout
  • Headache
  • Heart Disease
  • Heart Palpitations
  • Heartburn
  • Hemorrhoids
  • Hepatitis A
  • Hepatitis B Virus Screening
  • Hepatitis Screening
  • Herpes Simplex Infection
  • Hidradenitis
  • Hip Pointer Injuries
  • HIV Screening
  • Hives
  • Hypercalcemia
  • Hyperkalemia
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypoglycemia
  • Hypokalemia
  • Hypotension
  • Hypotension (Excluding Maternal)
  • Hypothyroidism
  • Immunization
  • Impetigo
  • Indigestion
  • Influenza (Flu)
  • Insomnia
  • Irritable Bowel Syndrome
  • Itchy Skin
  • Joint Pain
  • Kidney Infection
  • Kidney Infection, Acute
  • Knee Disorders
  • Larynx Conditions
  • Leg and Foot Ulcers
  • Limb Pain
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Lipid Disorders
  • Liver Damage from Alcohol
  • Liver Function Test
  • Low Back Pain
  • Low Blood Oxygen Level
  • Magnesium Metabolism Disorders
  • Malaise and Fatigue
  • Malnutrition
  • Menopausal and Postmenopausal Disorders
  • Menstrual Disorders (incl. Dysmenorrhea)
  • Migraine
  • Mineral Metabolism Disorders
  • Muscle Spasm
  • Muscle Weakness
  • Nail and Nail Bed Infection
  • Nausea
  • Neurogenic Bladder
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Nosebleed
  • Obesity
  • Osteoarthritis
  • Osteoarthritis of Ankle and Foot
  • Osteoarthritis of Hip
  • Osteoarthritis of Hip and Thigh
  • Osteoarthritis of Knee
  • Osteoarthritis of Shoulder
  • Osteopenia
  • Osteoporosis
  • Otitis Media
  • Outer Ear Infection
  • Overactive Bladder
  • Painful Urination (Dysuria)
  • Paracentesis
  • Partial Lung Collapse
  • Patellofemoral Pain Syndrome or Knee Pain
  • Peptic Ulcer
  • Pericardial Disease
  • Perimenopause
  • Peripheral Nerve Disorders
  • Peripheral Vascular Disease (PAD, PVD)
  • Pharyngitis
  • Phlebitis and Thrombophlebitis
  • Phosphorus Metabolism Disorders
  • Pinkeye (Conjunctivitis)
  • Pneumonia
  • Poison Ivy, Poison Oak, or Poison Sumac Poisoning
  • Polymyalgia Rheumatica (PMR)
  • Polyneuropathy
  • Prostatitis
  • Pulmonary Disease
  • Pulmonary Function Test
  • Radiculopathy (Not Due to Disc Displacement)
  • Rash
  • Raynaud's Disease
  • Reflux Esophagitis
  • Restless Leg Syndrome
  • Rib Fracture
  • Ringworm
  • Salivary Gland Stones and Inflammation
  • Sarcoidosis
  • Sciatica (Not Due to Disc Displacement)
  • Secondary Hypertension
  • Sepsis
  • Sexually Transmitted Diseases (STDs)
  • Sexually Transmitted Infections Screening
  • Shingles
  • Shortness of Breath
  • Shoulder Disorders
  • Sickle Cell Disease
  • Sinusitis
  • Skin Infections
  • Sleep Apnea
  • Sleep Disorders
  • Sore Throat
  • Speech, Language and Learning Disorders
  • Spondylosis
  • Sprains and Strains (incl. Muscle Tear)
  • Stomach Diseases
  • Strep Throat
  • Swine Flu
  • Symptomatic Menopause
  • Syphilis Screening
  • Testicular Dysfunction
  • Thrombosis
  • Thyroid Disease
  • Thyroid Screening
  • Tinea Versicolor
  • Tinnitus
  • Tobacco Use Disorder
  • Transient Ischemic Attack (TIA)
  • Tremor
  • Trigeminal Neuralgia
  • Ulcer
  • Urinary Disorders
  • Urinary Hesitancy
  • Urinary Incontinence
  • Urinary Stones
  • Urinary Tract Infection (UTI)
  • Vaginitis and-or Vaginosis
  • Venous Embolism and Thrombosis
  • Venous Insufficiency
  • Vertigo
  • Viral Enteritis
  • Viral Infection
  • Vitamin D Deficiency
  • Wheezing
  • Yeast Infections

About Me

Biography

Dr. Fredrick An, DO is an internal medicine specialist in Gresham, OR. He specializes in internal medicine.

Specialties

  • Internal Medicine

Board Certifications

Awards

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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Aetna
American Republic
Cigna
Commercial Insurance Company
CoreSource
Health Net
Medicare Advantage PFFS
Humana
Kaiser Permanente
MedHealthInsurance
Medicaid
National Elevator
PacificSource
Providence Health Plans
Tricare
UnitedHealthCare
United Healthcare

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