Mark Alan Slabbekoorn, DDS, MD
Oral and Maxillofacial Surgery (Dentist) · Chippewa Falls, WI
Mark Alan Slabbekoorn, DDS, MD is an oral and maxillofacial surgery (dentist) with a practice address in Chippewa Falls, Wisconsin, and NPI 1861489825, issued on Oct 4, 2005. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Alan Slabbekoorn
- Credential
- DDS, MD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 24023 TX
Self-reported in NPPES; status is on the state search - Practice location
- 850 Lakeland Dr, Chippewa Falls, WI 54729
- Phone
- (715) 738-2000
- Enumerated
- Oct 4, 2005
- Record last updated
- Sep 21, 2011 (not updated in 15 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 850 Lakeland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sirin Chundu, DDSPediatric Dentistry1720494370
- Yetunde Fasoro, DDSDentist1932508496
- Uday Manchala, DDSDentist1093190662
- Scott Murphy, DMDDentist1467730010
- Richard Wilkinson, D.M.D.Oral and Maxillofacial Surgery (Dentist)1386751543
- Kaylee Young, DMDPediatric Dentistry1982347043
Verify Mark Alan Slabbekoorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
17 Medicare Part D claims, against an average of 406 among the 5,870 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.
Industry payments in 2024: $20.54
1 payment: food and beverage; the largest payer was Patterson Companies, Inc. The 4,075 providers of this specialty with any payment received $1,077.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Alan Slabbekoorn among 155 oral and maxillofacial surgery (dentist) records in Wisconsin
Mark Alan Slabbekoorn, DDS, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2011 · 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 Chippewa Falls → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Richard Wilkinson, D.M.D.Chippewa Falls, WI 547291386751543
- Jeff Goetz, D.D.S.Altoona, WI 547201447322219
- Slavko Ivankovic, D.D.S.Altoona, WI 547201639241342
- M. Millington, D.D.S.Altoona, WI 547201205908936
- Stephen Ridenour, DDSAltoona, WI 547201619391869
- Jeff Jones, D.D.S.Eau Claire, WI 547011952473712
- David Ludington, D.D.S.Onalaska, WI 546501770570624
- Lauren Castro, D.M.D., M.D.La Crosse, WI 546011699035576
Common questions
What is Mark Alan Slabbekoorn, DDS, MD's NPI number?
Mark Alan Slabbekoorn, DDS, MD's National Provider Identifier (NPI) is 1861489825, issued on Oct 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Alan Slabbekoorn, DDS, MD located?
The NPPES record lists a practice address at 850 Lakeland Dr, Chippewa Falls, WI, 54729. Phone: (715) 738-2000. Providers update this record themselves, so call before visiting.
How can I verify Mark Alan Slabbekoorn, DDS, MD's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Alan Slabbekoorn, DDS, MD prescribe under Medicare Part D?
In 2024, Mark Alan Slabbekoorn, DDS, MD had 17 Medicare Part D claims; 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.