Dr. David Giammar, M.D.
Colorectal Surgery (proctology)
21+
Years in Practice
Practice Locations
1 location
About Dr. David Giammar
David Giammar, M.D. is a healthcare provider practicing in Westerville, OH.
Specialty Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
30
Years Experience
1
Location
2
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Colorectal Surgery (proctology)Credentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Northeastern Ohio University College Of Medicine
Class of 1996
Licenses & Practice States
Licensed in 2 states
| State | License | Classification | Primary |
|---|---|---|---|
| Michigan | 4301102844 | Colon & Rectal Surgery | — |
| Ohio | 35.077358 | Colon & Rectal Surgery |
Public Data Summary for Dr. David Giammar
With 21 years of practice, Dr. David Giammar is an established colorectal surgery (proctology) provider, M.D., after earning their medical degree at Northeastern Ohio University College Of Medicine in 1996. Dr. currently practices at Osu Neuroscience Center, Llc in Westerville, Ohio. Their National Provider Identifier (NPI) is 1154307858, 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. David Giammar as a lower-volume colorectal surgery (proctology) provider, treating approximately 260 Medicare beneficiaries and delivering 687 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. David Giammar received $217 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
$217
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. David Giammar
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0 reviews
Colorectal Surgery (proctology) Providers Nearby
Same primary specialty near ZIP 43081
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Dr. Emily Huang, M.D.
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Dr. Alan Harzman, M.D.
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FAQ
Frequently asked questions about Dr. David Giammar
What does Dr. David Giammar specialize in?
Dr. David Giammar specializes in Colorectal Surgery (proctology). Secondary taxonomy filings also list Colon & Rectal Surgery.
Where does Dr. David Giammar practice?
Dr. David Giammar practices at Osu Neuroscience Center, Llc in Westerville, Ohio.
Does Dr. David Giammar accept Medicare?
CMS records show that Dr. David Giammar accepts Medicare assignment. CMS billing data shows 260 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. David Giammar's NPI number?
Dr. David Giammar's National Provider Identifier (NPI) is 1154307858. 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. David Giammar been practicing?
Dr. David Giammar has approximately 21 years of practice experience, having graduated from Northeastern Ohio University College Of Medicine in 1996.