Debra Gail Koivunen, M.D.
Surgical Oncology Physician · Columbia, MO
Debra Gail Koivunen, M.D. is a surgical oncology physician with a practice address in Columbia, Missouri, and NPI 1083651715, issued on Jun 1, 2006. Check the license (Missouri R9810, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Debra Gail Koivunen
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- R9810 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Dr, Columbia, MO 65212
- Phone
- (573) 882-8454
- Enumerated
- Jun 1, 2006
- Record last updated
- Oct 21, 2025
- Fax
- (573) 884-6054
- Medicare enrollment
- Enrolled (PECOS I20070614000031); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1978
- Entity
- Type 1 · individual
Also registered at 1 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Debra Gail Koivunen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R9810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average surgical oncology physician in 2024
13 Medicare Part D claims for 13 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Curators OF The University OF MissouriColumbia, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgical Oncology Physician providers in Missouri
There are 29 surgical oncology physician records in Missouri.
Other surgical oncology physician records in Missouri
- Shahab Abdessalam, MDKansas City, MO1174697502
- Rebecca Aft, MDSaint Louis, MO1164440897
- Tamer Aiti, MDCape Girardeau, MO1801043864
- Fatema Almushawah, M.D.Saint Louis, MO1922318989
- Ana Belzarena Genovese, M.D.Columbia, MO1982159810
- Ashton Brooks, MDSaint Louis, MO1720473655
- Taylor Brown, MDSaint Louis, MO1770875478
- Peter Dipasco, MDSaint Louis, MO1659491314
- Timothy Eberlein, MDSaint Louis, MO1225054455
- Ryan Fields, MDSaint Louis, MO1912900440
Common questions
What is Debra Gail Koivunen, M.D.'s NPI number?
Debra Gail Koivunen, M.D.'s National Provider Identifier (NPI) is 1083651715, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Debra Gail Koivunen, M.D. located?
The NPPES record lists a practice address at 1 Hospital Dr, Columbia, MO, 65212. Phone: (573) 882-8454. Providers update this record themselves, so call before visiting.
How can I verify Debra Gail Koivunen, M.D.'s license?
NPPES lists Missouri license number R9810, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Debra Gail Koivunen, M.D. prescribe under Medicare Part D?
In 2024, Debra Gail Koivunen, M.D. had 13 Medicare Part D claims for 13 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Debra Gail Koivunen, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.