Dr. James Clark, M.D.
Gastroenterology
21+
Years in Practice
Available
Telehealth
Practice Locations
3 locations
Advocate Health And Hospitals Corporation
3825 Highland Ave, Downers Grove, Illinois, 60515
(630) 963-0660
Nephrology Associates Of Northern Illinois Ltd
3825 Highland Ave, Downers Grove, Illinois, 60515
(630) 968-1595
Advocate Health And Hospitals Corporation
1000 Ogden Ave, Downers Grove, Illinois, 60515
(224) 225-0224
About Dr. James Clark
James Clark, M.D. is a healthcare provider practicing in Downers Grove, IL.
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.
36
Years Experience
3
Locations
1
States Licensed
Credentials & Board Certifications
Primary Specialty
GastroenterologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
University Of Illinois College Of Med (chi/peor/rock/chm-urb)
Class of 1990
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| Illinois | — | Internal Medicine |
Public Data Summary for Dr. James Clark
With 21 years of practice, Dr. James Clark is an established gastroenterology provider, M.D., after earning their medical degree at University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1990. Dr. currently practices across 3 facilities, including Advocate Health And Hospitals Corporation in Downers Grove, Illinois. Their National Provider Identifier (NPI) is 1588640650, 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 Clark as a lower-volume gastroenterology provider, treating approximately 492 Medicare beneficiaries and delivering 1K 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. James Clark received $1K 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
$1K
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. James Clark
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0 reviews
Gastroenterology Providers Nearby
Same primary specialty near ZIP 60515
FAQ
Frequently asked questions about Dr. James Clark
What does Dr. James Clark specialize in?
Dr. James Clark specializes in Gastroenterology.
Where does Dr. James Clark practice?
Dr. James Clark practices at Advocate Health And Hospitals Corporation in Downers Grove, Illinois. Dr. is also affiliated with 2 additional facilities, listed below.
Does Dr. James Clark accept Medicare?
CMS records show that Dr. James Clark accepts Medicare assignment. CMS billing data shows 492 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. James Clark's NPI number?
Dr. James Clark's National Provider Identifier (NPI) is 1588640650. 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 Clark been practicing?
Dr. James Clark has approximately 21 years of practice experience, having graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1990.