Martin John Koop, D.D.S.
Oral and Maxillofacial Surgery (Dentist) · La Crosse, WI
Martin John Koop, D.D.S. is an oral and maxillofacial surgery (dentist) with a practice address in La Crosse, Wisconsin, and NPI 1639158660, issued on Jan 10, 2006. Check the license (Wisconsin 6099, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martin John Koop
- Credential
- D.D.S.
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- 6099 WI
D9781 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1836 South Ave, La Crosse, WI 54601
- Phone
- (608) 782-7300
- Enumerated
- Jan 10, 2006
- Record last updated
- Feb 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 155 in Wisconsin → Look up another NPI →
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Aberger, MDGastroenterology Physician1396748711
- Bradley Abicht, DPMPodiatrist1962632166
- Carter Abicht, DOAnesthesiology Physician1932736642
- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Martin John Koop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
57 Medicare Part D claims for 38 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.
Most prescribed
- Amoxicillin29 claims
- Hydrocodone-Acetaminophen12 claims
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.
Martin John Koop among 155 oral and maxillofacial surgery (dentist) records in Wisconsin
Martin John Koop, D.D.S. is one of 155 oral and maxillofacial surgery (dentist) records with a practice address in Wisconsin. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 45% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Wisconsin
There are 155 oral and maxillofacial surgery (dentist) records in Wisconsin.
All 155 in Wisconsin → Every provider in La Crosse → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- P Banasik, DDSLa Crosse, WI 546011932103900
- Lauren Castro, D.M.D., M.D.La Crosse, WI 546011699035576
- David Cleverly, DDSLa Crosse, WI 546011841470994
- Timothy Durtsche, D.D.S.La Crosse, WI 546011447254305
- Mark Erickson, DDSLa Crosse, WI 546011144587551
- Andy Kabele, DDSLa Crosse, WI 546011932362092
- Thomas Mackenzie, DDSLa Crosse, WI 546011205814407
- Stuart Rupp, DMDLa Crosse, WI 546011386164754
Common questions
What is Martin John Koop, D.D.S.'s NPI number?
Martin John Koop, D.D.S.'s National Provider Identifier (NPI) is 1639158660, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin John Koop, D.D.S. located?
The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.
How can I verify Martin John Koop, D.D.S.'s license?
NPPES lists Wisconsin license number 6099, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Martin John Koop, D.D.S. prescribe under Medicare Part D?
In 2024, Martin John Koop, D.D.S. had 57 Medicare Part D claims for 38 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. Part D covers Medicare prescriptions only.
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.