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Dr. John Thieszen, MD

Internal Medicine* Age 48
Dr. John Thieszen, MD
5.0 (1 Ratings)
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Dr. John Thieszen, MD is an Internist in Fort Collins, CO.
Dr. John Thieszen, MD
5.0 (1 Ratings)
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Dr. John Thieszen, MD

Internal Medicine* Age 48
Fort Collins, CO
Call for new patient details
21 years of experience
Dr. John Thieszen, MD is an Internist in Fort Collins, CO.

About

Dr. Thieszen graduated from Loma Linda University School of Medicine. Dr. John Thieszen, MD is an Internist in Fort Collins, CO and has 21 years experience. Dr. Thieszen currently practices at Practice and are affiliated with East Morgan County Hospital. Dr. Thieszen's office is not accepting new patients. Dr. Thieszen is board certified in Internal Medicine and accepts multiple insurance plans.

Trustworthy

Patients said this doctor is trustworthy.

Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Dehydration
Electrocardiogram (EKG)
Arterial Blood Gas Test (ABG)
Dehydration
Electrocardiogram (EKG)
Arterial Blood Gas Test (ABG)
Dehydration
Electrocardiogram (EKG)
Adult Failure to Thrive
Fever
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Tobacco Use Disorder
Urinary Tract Infection (UTI)
Abdominal Pain
Acidosis
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Actinic Keratosis
Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Lower Respiratory Infection
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Alkalosis
All Headaches (incl. Migraine)
Allergic Rhinitis
Anal or Rectal Pain
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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Ataxia
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Atherosclerosis
Atopic Dermatitis (Eczema)
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
Bunion
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Cachexia
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Calcium Metabolism Disorders
Candidiasis of Skin and Nails
Celiac Disease
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Chronic Deep Vein Thrombosis (DVT)
Chronic Depression (Dysthymia)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Deep Vein Thrombosis (DVT)
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dizziness
Dry Eyes
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Dry Skin
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Dyslipidemia
Dysphagia
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Essential Tremor
Fibromyalgia
Foot Infection
Gait Abnormality
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gout
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Hammer Toe
Headache
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Heart Disease
Heart Palpitations
Hemorrhoids
Hernia
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Herpes Zoster Without Complication
Hip Pointer
Hip Sprain
Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypogonadism
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Influenza (Flu)
Insomnia
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Intertrigo
Intestinal Diverticulitis
Intestinal Diverticulosis
Irritable Bowel Syndrome
Joint Pain
Knee Sprain
Lactose Intolerance
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Migraine
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Mineral Metabolism Disorders
Mood Disorders (Dysthymia and Cyclothymia)
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Nausea
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Neurogenic Bladder
Noninfectious Gastroenteritis and Colitis
Obesity
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Onychogryphosis
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Outer Ear Infection
Overactive Bladder
Overweight
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pericardial Disease
Peripheral Nerve Disorders
Phosphorus Metabolism Disorders
Pneumonia
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Purpura
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Radiculopathy
Reflux Esophagitis
Restless Leg Syndrome
Rhabdomyolysis
Rosacea
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Sarcoidosis
Secondary Hypertension
Secondary Renovascular Hypertension
Shingles
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Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Swine Flu
Testicular Dysfunction
Thyroid Goiter
Transient Ischemic Attack (TIA)
Trigeminal Neuralgia
Urinary Incontinence
Urinary Stones
Venous Compression
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
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Abscess or Fluid Incision and Drainage
Fecal Occult Blood Test for Colorectal Cancer
Immunization Administration
Puncture Aspiration

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Open Access Plus
    Cigna PPO
  • Whole Health Colorado Front Range
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Aetna
    Choice Plus POS II
    Open Choice PPO
    APCN Plus - Colorado Front Range - Choice PO
    Premier Care Network Plus - Innovation Health
  • Anthem Blue Cross Blue Shield PPO
  • Options PPO
    Navigate POS
    Choice Plus POS
    Nexus Open Access
    Medica Choice
    Navigate HMO
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • Blue Priority-CO HMO
    Blue Priority PPO
    Colorado HMO
    Gold PathwayCO HMO
    Pathway-CO HMO
  • Blue Card PPO
    Blue Card High Performance Network HPN
  • First Health (Coventry Health Care) PPO

Locations

  1. 1 Office
    1281 E Magnolia St Ste D199, Fort Collins, CO 80524
    Icon Directions Right Arrow Directions Phone Icon (970) 391-0572
  2. 2 Sterling Regional Medcenter
    615 Fairhurst St, Sterling, CO 80751
    Icon Directions Right Arrow Directions Phone Icon (970) 522-0122
  3. 3 Advanced Care Hospital of Montana
    3528 Gabel Rd, Billings, MT 59102
    Icon Directions Right Arrow Directions Phone Icon (970) 391-0572
  4. 4 East Morgan County Hospital
    2400 Edison St, Brush, CO 80723
    Icon Directions Right Arrow Directions Phone Icon (970) 842-6200

Patient Satisfaction

Likelihood to recommend Dr. Thieszen
5.0
Based on 1 Reviews
5 Stars (1)
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2 Stars (0)
1 Star (0)

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Dr. Thieszen's Office & Staff

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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.
Education

Education

Medical Education
  • Loma Linda University School of Medicine
    2003
Medical Education

Board Certifications

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.
Common Questions and Answers
Responses are sourced directly from patients.
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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 Thieszen, MD. To arrange an appointment, call the number on Dr. Thieszen's profile.

Dr. John Thieszen, MD is affiliated with East Morgan County Hospital.

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

Hospital Affiliations

  • East Morgan County Hospital

    2400 Edison St, Brush, CO