Dr. William Maher, M.D.
Gastroenterology
21+
Years in Practice
Available
Telehealth
Practice Locations
1 location
About Dr. William Maher
William Maher, M.D. is a healthcare provider with 21 years of experience.
Specialty Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
34
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
GastroenterologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Rutgers New Jersey Medical School
Class of 1992
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| New Hampshire | 10956 | Internal Medicine |
Public Data Summary for Dr. William Maher
With 21 years of practice, Dr. William Maher is an established gastroenterology provider, M.D., after earning their medical degree at Rutgers New Jersey Medical School in 1992. Dr. currently practices at Eyesight Ophthalmic Services Pllc in Somersworth, New Hampshire. Their National Provider Identifier (NPI) is 1477550739, 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 Maher as a moderate-volume gastroenterology provider, treating approximately 990 Medicare beneficiaries and delivering 10K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.
Under the Physician Payments Sunshine Act, CMS reports that Dr. William Maher received $111 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
$111
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 Maher
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0 reviews
Gastroenterology Providers Nearby
Same primary specialty near ZIP 03878
FAQ
Frequently asked questions about Dr. William Maher
What does Dr. William Maher specialize in?
Dr. William Maher specializes in Gastroenterology.
Where does Dr. William Maher practice?
Dr. William Maher practices at Eyesight Ophthalmic Services Pllc in Somersworth, New Hampshire.
Does Dr. William Maher accept Medicare?
CMS records show that Dr. William Maher accepts Medicare assignment. CMS billing data shows 990 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. William Maher's NPI number?
Dr. William Maher's National Provider Identifier (NPI) is 1477550739. 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 Maher been practicing?
Dr. William Maher has approximately 21 years of practice experience, having graduated from Rutgers New Jersey Medical School in 1992.