Dr. Mark Klaas, MD

Internal Medicine  |  
Male  |  
Age 58
Insurances AcceptedSave
Dr. Mark Klaas, MD
Dr. Mark Klaas, MD is an internal medicine doctor who practices in Waukesha, WI. He is 58 years old and has been practicing for 32 years. Dr. Klaas is affiliated with Oconomowoc Memorial Hospital and Waukesha Memorial Hospital.

725 American Ave # 1336

Waukesha, WI 53188

Contact Information

(262) 928-2391

Dr. Mark Klaas, MD

Dr. Mark Klaas, MD

Accepted insurance

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • Humana

*Please verify this information when scheduling an appointment.

Learn about Dr. Klaas

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Dr. Klaas' Experience

0%ExperienceMatch
Dr. Klaas' experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Internal Medicine
  • Board certified in Critical Care Medicine, Internal Medicine and Pulmonary Disease
  • No sanctions found
  • No board actions found
1

Specialties

  • Internal Medicine
3

Board Certifications

  • Critical Care Medicine
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
  • Pulmonary Disease
    Accredited by: American Board of Internal Medicine*
127

Conditions Treated

  • ADHD and-or ADD
  • Abdominal Disorders
  • Acidosis
  • Acute Bronchitis
  • Acute Lower Respiratory Infection
  • Acute Upper Respiratory Infection
  • Acute Venous Embolism Thrombosis
  • Alkalosis
  • All Headaches (incl. Migraine)
  • Allergic Reaction
  • Allergic Rhinitis
  • Anemia
  • Anxiety
  • Arthritis
  • Arthritis of the Elbow
  • Asthma
  • Back Pain
  • Bladder Diseases
  • Bladder Infection
  • Blood Disorders
  • Blood in Urine (Hematuria)
  • Bone Disorders
  • Bronchiectasis
  • Bronchitis
  • Bruise of Face, Scalp, or Neck
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Cellulitis
  • Chest Pain
  • Chronic Deep Vein Thrombosis (DVT)
  • Chronic Pain
  • Chronic Sinusitis
  • Confusion
  • Constipation
  • Coronary Artery Disease (CAD)
  • Cough
  • Deep Vein Thrombosis (DVT)
  • Dehydration
  • Dermatitis Due to Drugs
  • Dermatitis Due to Substances Taken Internally
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Polyneuropathy
  • Diarrhea
  • Dizziness
  • Dysphagia
  • Ear Disorders
  • Elbow Injuries
  • Emphysema
  • Enlarged Prostate (BPH)
  • Enteritis
  • Esophageal Diseases
  • Essential Tremor
  • Fever
  • Fibromyalgia
  • Foot Conditions
  • Fungal Infections
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Diseases
  • Glaucoma
  • Gout
  • Headache
  • Heart Disease
  • Hyperkalemia
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypokalemia
  • Hypotension
  • Hypotension (Excluding Maternal)
  • Hypothyroidism
  • Irritable Bowel Syndrome
  • Joint Pain
  • Knee Disorders
  • Lactose Intolerance
  • Leg and Foot Ulcers
  • Limb Swelling Caused by Fluid Overload
  • Lipid Disorders
  • Liver Damage from Alcohol
  • Low Back Pain
  • Low Blood Oxygen Level
  • Malaise and Fatigue
  • Malnutrition
  • Migraine
  • Noninfectious Gastroenteritis and Colitis
  • Obesity
  • Osteoarthritis
  • Osteoarthritis of Ankle and Foot
  • Osteoarthritis of Shoulder
  • Osteoarthritis of Spine
  • Osteoporosis
  • Partial Lung Collapse
  • Patellofemoral Pain Syndrome or Knee Pain
  • Pericardial Disease
  • Peripheral Vascular Disease (PAD, PVD)
  • Phlebitis and Thrombophlebitis
  • Pneumonia
  • Pollen Allergy
  • Polymyalgia Rheumatica (PMR)
  • Polyneuropathy
  • Postnasal Drip
  • Pulmonary Disease
  • Radiculopathy (Not Due to Disc Displacement)
  • Restless Leg Syndrome
  • Sarcoidosis
  • Sepsis
  • Shortness of Breath
  • Shoulder Disorders
  • Sinusitis
  • Skin Infections
  • Sleep Apnea
  • Sleep Disorders
  • Stomach Diseases
  • Throat Pain
  • Thrombosis
  • Thyroid Disease
  • Tobacco Use Disorder
  • Ulcer
  • Urinary Disorders
  • Urinary Stones
  • Urinary Tract Infection (UTI)
  • Valley Fever
  • Venous Embolism and Thrombosis
  • Venous Insufficiency
  • Vertigo
  • Vitamin D Deficiency
  • Wheezing

More

Read More
8

Procedures

  • Arterial Blood Gas Test (ABG)
  • Cholesterol Screening
  • Diabetes Screening
  • Electrocardiogram (EKG)
  • Immunization Administration
  • Liver Function Test
  • Pulmonary Function Test
  • Thyroid Screening

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Wisconsin.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Creighton Univ Sch Of Med
    Medical School | Graduated 1985
  • Creighton University Affil Hospital
    Residency Hospital | Completed
  • Med College Wi Affil Hosps
    Residency Hospital | Completed
  • Tenet St Joseph H Creighton University
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Klaas has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Klaas does not have any memberships or affiliations listed. If you are Dr. Klaas and would like to add memberships or affiliations, please update your profile.

Dr. Klaas' Reviews

Help millions of people find the right doctor. Share your experience today!
Are you Dr. Klaas?
Make it easy for patients to share their feedback. Also manage your personalized profile!

Visit Dr. Klaas

Dr. Klaas accepts 5 insurance carriers
  • Aetna
    Choice Plus POS II
  • Anthem Blue Cross Blue Shield
    Anthem Blue Cross Blue Shield HMO
    Anthem Blue Cross Blue Shield PPO
    Blue Preferred Plus POS
  • Blue Cross Blue Shield
    Blue Card PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • Humana
    Choice Care PPO
    Preferred PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Klaas has admitting privileges

Oconomowoc Memorial Hospital
791 East Summit Avenue
Oconomowoc, WI 53066
View Hospital Profile
Waukesha Memorial Hospital
725 American Ave
Waukesha, WI 53188
View Hospital Profile

View other doctors with similar experience to find the right doctor for you.

Internal Medicine
(123)
Nephrology
(1)
Gastroenterology
(21)
Internal Medicine
(2)
Gastroenterology
(39)
Adolescent Medicine
(4)
Internal Medicine
(17)