Dr. William Baer, M.D.
Internal Medicine
20+
Years in Practice
Practice Locations
1 location
About Dr. William Baer
William Baer, M.D. is a healthcare provider practicing in Grand Rapids, MI.
Specialty Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
31
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
West Virginia University School Of Medicine
Class of 1995
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| Michigan | 4301065896 | Internal Medicine |
Public Data Summary for Dr. William Baer
With 20 years of practice, Dr. William Baer is an established internal medicine provider, M.D., after earning their medical degree at West Virginia University School Of Medicine in 1995. Dr. currently practices at Spectrum Health Hospitals in Grand Rapids, Michigan. Their National Provider Identifier (NPI) is 1184731333, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. William Baer as a lower-volume internal medicine provider, treating approximately 61 Medicare beneficiaries and delivering 429 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. William Baer received $38 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$38
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. William Baer
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 49503
FAQ
Frequently asked questions about Dr. William Baer
What does Dr. William Baer specialize in?
Dr. William Baer specializes in Internal Medicine.
Where does Dr. William Baer practice?
Dr. William Baer practices at Spectrum Health Hospitals in Grand Rapids, Michigan.
Does Dr. William Baer accept Medicare?
CMS records show that Dr. William Baer accepts Medicare assignment. CMS billing data shows 61 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. William Baer's NPI number?
Dr. William Baer's National Provider Identifier (NPI) is 1184731333. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. William Baer been practicing?
Dr. William Baer has approximately 20 years of practice experience, having graduated from West Virginia University School Of Medicine in 1995.