Summary

Dr. William Janssen specializes in pulmonology and internal medicine, bringing 28 years of clinical experience to his practice. He earned his medical degree from Ohio State University College of Medicine & Public Health, where he developed his expertise in treating complex respiratory and internal medical conditions. Dr. Janssen is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Based in Denver, Colorado, Dr. Janssen focuses on treating serious kidney conditions, including chronic kidney disease and advanced kidney failure. He also manages hypertensive emergencies when blood pressure reaches dangerous levels. His diagnostic capabilities include chest imaging through fluoroscopy and X-rays, and he performs therapeutic hypothermia procedures when patients need controlled body temperature management. Patients have given Dr. Janssen an average rating of 1.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 1
  • 28 years of experience
  • 8 insurance plans accepted
  • speaks English, Spanish
  • Ohio State University College Of Medicine & Public Health
  • 1 written review
  • 3 specialties
  • 5 areas of expertise
  • 1 office location
  • Male

Office Location

Main Campus

1400 Jackson StDenver, CO 80206
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. William Janssen, MDDr. Nicholas David Walter, MDDr. Fatima A Ballout, MDDr. Poornima Ramanan, MD
PulmonologyCritical Care MedicineNephrologyInfectious Disease
Accepts New Patients Accepts New Patients Accepts New Patients
28 Years of Experience 24 Years of Experience 10 Years of Experience 22 Years of Experience
Virtual Visit Available No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Denver , COAurora , COLakewood , CORochester , MN
Med School: Ohio State University College Of Medicine & Public Health Med School: University Of California San Francisco School Of Medicine Med School: Wayne State University School Of Medicine Med School: Coimbatore Medical College
Current Profile
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Insurance Plans Accepted by Dr. William Janssen

  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • Cigna
  • Medicaid
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicare
  • UnitedHealthcare

Medical Specialties

Dr. William Janssen has the following 3 specialties

Specialty Expertise

Dr. William Janssen has the following 5 areas of expertise

  • Critical Care Medicine (im)
  • Internal Medicine
  • Pulmonary Critical Care Medicine
  • Pulmonary Disease
  • Pulmonologist

Certifications, License, & Education

28 Years Experience

MEDICAL LICENSE

Medical Doctor, Colorado, 2027, Active

EDUCATION & TRAINING

Medical School

Ohio State University College Of Medicine & Public HealthGraduated in 1998

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Frequently Asked Questions

Is Dr. William Janssen accepting new patients?
Dr. William Janssen is accepting new patients on Vitals. View Dr. William Janssen's profile on Vitals to make an appointment.
Does Dr. William Janssen accept my insurance?
You can see the insurance plans that Dr. William Janssen accepts on their Vitals profile.
Where is Dr. William Janssen's office located?
Dr. William Janssen's office is located at 1400 Jackson St, Denver, CO, 80206.
Does Dr. William Janssen accept virtual/telehealth appointments?
Yes, Dr. William Janssen accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
How can I make an appointment with Dr. William Janssen?
You can find contact information for Dr. William Janssen here on Vitals.

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