Summary

Dr. William Decker is a pulmonologist and sleep medicine specialist who earned his Doctor of Osteopathy degree from Des Moines University College of Osteopathic Medicine. With 41 years of experience in medicine, he completed his residency training at St Johns Health System/Oakland Hospital in pulmonary diseases, internal medicine, and transitional year programs, along with additional residency training at LECOMT/St John's Episcopal Hospital Program. Dr. Decker communicates with patients in English.

He practices at ProMedica Physicians Pulmonary and Sleep in Adrian, Michigan. Dr. Decker specializes in treating chronic lung disease and COPD, including cases where patients have additional health conditions. His clinical expertise includes performing pulmonary function testing and bronchodilator reversibility testing to evaluate lung health. Patients have given him an average rating of 4.9 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 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
  • 18 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

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

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William Decker, DOAhmad Alratroot, MDAhmad Abdelwahed, MDKathryn Boyle Williams, MD
PulmonologyPulmonologyPulmonologyPulmonology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.5 
4.9 
41 Years of Experience 12 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Adrian , MISylvania , OHSylvania , OHSylvania , OH
Med School: Des Moines University College of Osteopathic Medicine Med School: University Of Dammam College Of Medicine Med School: Ross University School Of Medicine, Roseau, Commonwealth Of Dominica, West Indies Med School: Royal College of Surgeons in Ireland - Medical University of Bahrain
Current Profile
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Insurance Plans Accepted by William Decker

  • Aetna
  • Aetna - Medicare
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Michigan - HMO
  • Blue Cross Blue Shield of Michigan - Medicare
  • CHAMPVA
  • Cigna
  • Contra Costa Health Plan
  • GEHA
  • Golden Rule
  • Health Alliance
  • Health Alliance - Medicare
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medical Mutual
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Medicare - Medicare (Advantage HMO)
  • Meridian Health Plan
  • Meridian Health Plan - Medicaid (Managed)
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Optima Health
  • Paramount Healthcare
  • Priority Health
  • Priority Health - Medicare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare

Medical Specialties

William Decker has the following 2 specialties

Specialty Expertise

William Decker has the following 8 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Emphysema
  • Pneumonia
  • Sleep Medicine
  • Tuberculosis (TB)

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

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.
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.
What languages does William Decker speak?
William Decker speaks English.
Does William Decker accept my insurance?
You can see the insurance plans that William Decker accepts on their Vitals profile.
Where is William Decker's office located?
William Decker's office is located at 777 Kimole Ln Ste 250, Adrian, MI, 49221.

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