Dr. Katherine Diemer, MD
Family Practice
18+
Years in Practice
Available
Telehealth
Practice Locations
2 locations
About Dr. Katherine Diemer
Katherine Diemer, MD is a healthcare provider practicing in Freeport, IL.
Specialty Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
20
Years Experience
2
Locations
2
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Family PracticeCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Rush Medical College Of Rush University
Class of 2006
Licenses & Practice States
Licensed in 2 states
| State | License | Classification | Primary |
|---|---|---|---|
| Wisconsin | 57640 | Family Medicine | — |
| Illinois | 125051266 | Family Medicine |
Public Data Summary for Dr. Katherine Diemer
With 18 years of practice, Dr. Katherine Diemer is an established family practice provider, MD, after earning their medical degree at Rush Medical College Of Rush University in 2006. Dr. currently practices across 2 facilities, including Fhn Memorial Hospital in Freeport, Illinois. Their National Provider Identifier (NPI) is 1396906749, 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. Katherine Diemer as a lower-volume family practice provider, treating approximately 202 Medicare beneficiaries and delivering 575 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. Katherine Diemer
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0 reviews
Family Practice Providers Nearby
Same primary specialty near ZIP 61032
FAQ
Frequently asked questions about Dr. Katherine Diemer
What does Dr. Katherine Diemer specialize in?
Dr. Katherine Diemer specializes in Family Practice. Secondary taxonomy filings also list Family Medicine.
Where does Dr. Katherine Diemer practice?
Dr. Katherine Diemer practices at Fhn Memorial Hospital in Freeport, Illinois. Dr. is also affiliated with 1 additional facility, listed below.
Does Dr. Katherine Diemer accept Medicare?
CMS records show that Dr. Katherine Diemer accepts Medicare assignment. CMS billing data shows 202 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Katherine Diemer's NPI number?
Dr. Katherine Diemer's National Provider Identifier (NPI) is 1396906749. 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. Katherine Diemer been practicing?
Dr. Katherine Diemer has approximately 18 years of practice experience, having graduated from Rush Medical College Of Rush University in 2006.