Summary

Dr. William Decker treats COPD, chronic lung disease, and COPD with comorbidities, and performs pulmonary function testing, bronchodilator reversibility testing, and asthma challenge tests. He practices pulmonology and sleep medicine and has 41 years of experience.

Dr. Decker completed residency training at St. Johns Health System/Oakland Hospital and sees patients in Adrian, Michigan. Patients on Vitals rate Dr. Decker 4.88 out of 5.

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
  • 21 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, DOMindy Ann HowardHolly Marie WuestDr. Rachel Marie Van Niel
PulmonologyNurse PractitionerNurse PractitionerNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
0 
0 
0 
41 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 Speaks English
Adrian , MIAdrian , MIMonroe , MISylvania , OH
Med School: Des Moines University College of Osteopathic Medicine
Current Profile
View Profile View Profile View Profile

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

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.
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.
How can I make an appointment with William Decker?
You can find contact information for William Decker here on Vitals.
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.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards

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