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Dr. Mark A. Klaas, MD

Pulmonary Disease

  • (262) 928-2391

Dr. Klaas's Overview

Dr. Mark A. Klaas graduated from the Creighton University School of Medicine in 1985. He works in Waukesha, WI and specializes in Pulmonary Disease and Critical Care Medicine. Dr. Klaas is affiliated with Oconomowoc Memorial Hospital and Waukesha Memorial Hospital.

Gender: Male

Languages Spoken: English

Dr. Klaas's Experience

Years in Practice: 30

Conditions Treated by Dr. Klaas

Procedures Performed by Dr. Klaas

Dr. Klaas's Specialties

Pulmonary Disease, Critical Care Medicine

Dr. Klaas's Education & Training

Medical School: Creighton University School of Medicine; Graduated 1985

Dr. Klaas's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Anthem Blue Access PPO
  • Anthem Blue Preferred HMO
  • Anthem Blue Preferred Plus POS
  • BCBS Blue Card PPO
  • CIGNA Open Access
  • View More

Dr. Klaas's Office Information & Appointments

Office Locations

Waukesha Memorial Hospital Internal Medicine

725 American Ave
Waukesha, WI 53188
(262) 928-2391


Office Hours and Information

Fax: (262) 928-2718

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 4:00 PM
Tuesday 8:00 AM - 4:00 PM
Wednesday 8:00 AM - 4:00 PM
Thursday 8:00 AM - 4:00 PM
Friday 8:00 AM - 4:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Klaas's Practice

Dr. Klaas's Hospital Affiliations

Office Locations