Dr. James Niewenhuis, M.D.
20+
Years in Practice
Practice Locations
2 locations
About Dr. James Niewenhuis
James Niewenhuis, M.D. is a healthcare provider practicing in Grand Haven, MI.
Specialty Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
2
Locations
1
States Licensed
Credentials & Board Certifications
Credentials verified via NPI Registry (NPPES)
Education & Training
No education details on file.
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| Michigan | 4301055088 | Pathology |
Public Data Summary for Dr. James Niewenhuis
With 20 years of practice, Dr. James Niewenhuis is an established healthcare provider, M.D.,. Dr. currently practices across 2 facilities, including Trinity Health Grand Haven Hospital in Grand Haven, Michigan. Their National Provider Identifier (NPI) is 1356367924, 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. James Niewenhuis as a lower-volume healthcare provider, treating approximately 206 Medicare beneficiaries and delivering 443 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Transparency & Safety
Public records from CMS and OIG databases
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. James Niewenhuis
--
0 reviews
FAQ
Frequently asked questions about Dr. James Niewenhuis
Where does Dr. James Niewenhuis practice?
Dr. James Niewenhuis practices at Trinity Health Grand Haven Hospital in Grand Haven, Michigan. Dr. is also affiliated with 1 additional facility, listed below.
Does Dr. James Niewenhuis accept Medicare?
CartoChrome does not have a verified Medicare assignment record for Dr. James Niewenhuis. CMS opt-out records should be checked directly, and patients should call the practice to confirm Medicare acceptance for their specific plan.
What is Dr. James Niewenhuis's NPI number?
Dr. James Niewenhuis's National Provider Identifier (NPI) is 1356367924. 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. James Niewenhuis been practicing?
Dr. James Niewenhuis has approximately 20 years of practice experience.