4.9
31 Ratings with 20 written Reviews
Summary
Dr. William Decker is a pulmonologist and sleep medicine specialist with over four decades of experience treating respiratory conditions and sleep disorders. He earned his medical degree from Des Moines University College of Osteopathic Medicine and completed comprehensive training that included residencies in pulmonary diseases, internal medicine, and a transitional year at St Johns Health System/Oakland Hospital, along with additional residency training at LECOMT/St John's Episcopal Hospital Program. Dr. Decker speaks English and brings 41 years of dedicated practice to his field.
Dr. Decker practices at ProMedica Physicians Pulmonary and Sleep in Adrian, Michigan, where he focuses on helping patients with chronic lung conditions and breathing difficulties. He treats patients with COPD, chronic lung disease, and complex cases where COPD occurs alongside other health conditions. His expertise includes performing pulmonary function testing to assess lung capacity, bronchodilator …reversibility testing to evaluate treatment responses, and asthma challenge tests to diagnose breathing problems. Patients have given him an average rating of 4.9 out of 5, reflecting their confidence in his care.
Read More Read less Dr. Decker practices at ProMedica Physicians Pulmonary and Sleep in Adrian, Michigan, where he focuses on helping patients with chronic lung conditions and breathing difficulties. He treats patients with COPD, chronic lung disease, and complex cases where COPD occurs alongside other health conditions. His expertise includes performing pulmonary function testing to assess lung capacity, bronchodilator …reversibility testing to evaluate treatment responses, and asthma challenge tests to diagnose breathing problems. Patients have given him an average rating of 4.9 out of 5, reflecting their confidence in his care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 41 years of experience
- 43 insurance plans accepted
- speaks English
- St Johns Hlth Sys/Oakland Hosp, Pulmonary Diseases; St Johns Hlth Sys/Oakland Hosp, Internal Medicine; St Johns Hlth Sys/Oakland Hosp, Flexible Or Transitional Year
- 20 written reviews
- 1 award
- 2 specialties
- 8 areas of expertise
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Awards
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Office Location
ProMedica Physicians Pulmonary and Sleep - Adrian
777 Kimole Ln Ste 250Adrian, MI 49221 Tel: (517) 265-3411
Compare with Similar Doctors
 |  |  | |
| William Decker, DO | Dr. Kuenok Lee, MD | Dr. Mohammad Taleb, MD | Dr. Nasir Ali, MD |
| Pulmonology | Critical Care Medicine | Critical Care Medicine | Pulmonology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 41 Years of Experience | 25 Years of Experience | 20 Years of Experience | 64 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English | |
| Adrian , MI | Ann Arbor , MI | Sylvania , OH | Toledo , OH |
| Med School: Des Moines University College of Osteopathic Medicine | Med School: Boston University School Of Medicine | Med School: University Of Damascus Faculty Of Medicine | Med School: King Edward Medical University |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by William Decker
Medical Specialties
William Decker has the following 2 specialties
Specialty Expertise
William Decker has the following 8 areas of expertise
Certifications, License, & Education
41 Years Experience
William Decker holds an expired medical license in the state of Michigan.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Michigan that expired in 2026.
Education & Training
Residency
Completed their residency at St Johns Hlth Sys/Oakland Hosp, Pulmonary Diseases; St Johns Hlth Sys/Oakland Hosp, Internal Medicine; St Johns Hlth Sys/Oakland Hosp, Flexible Or Transitional Year and LECOMT/St John's Episcopal Hospital Program.
Medical School
Graduated from Des Moines University College of Osteopathic Medicine in 1985 and Des Moines University College of Osteopathic Medicine and Health Sciences in 1985.
NPI Number
William Decker's NPI number is 1942205208.
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Frequently Asked Questions
- Does William Decker accept virtual/telehealth appointments?
- William Decker has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is William Decker's office located?
- William Decker's office is located at 777 Kimole Ln Ste 250, Adrian, MI, 49221.
- How can I make an appointment with William Decker?
- You can find contact information for William Decker here on Vitals.
- Does William Decker accept my insurance?
- You can see the insurance plans that William Decker accepts on their Vitals profile.
- Is William Decker accepting new patients?
- William Decker is accepting new patients on Vitals. View William Decker's profile on Vitals to make an appointment.
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