Mark J. Kortebein, DDS
Oral and Maxillofacial Surgery (Dentist) · Mequon, WI
Mark J. Kortebein, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Mequon, Wisconsin, and NPI 1336233790, issued on Oct 2, 2006. Check the license (Wisconsin 4130-015, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark J. Kortebein
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 4130-015 WI
Self-reported in NPPES; status is on the state search - Practice location
- 10535 N Port Washington RD, Mequon, WI 53092
- Phone
- (262) 241-0900
- Enumerated
- Oct 2, 2006
- Record last updated
- Feb 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (262) 241-0904
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 155 in Wisconsin → Look up another NPI →
Also registered at 10535 N Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Craig Carr, DDSEndodontics1336287895
- Alan Kimmel, DDSOral and Maxillofacial Surgery (Dentist)1760576128
- Sheppard Mollick, DMDOral and Maxillofacial Surgery (Dentist)1962596395
- Peter Wagner, D.D.S.Oral and Maxillofacial Surgery (Dentist)1548356280
Verify Mark J. Kortebein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4130-015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
512 Medicare Part D claims for 206 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. 165 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen156 claims
- Ibuprofen149 claims
- Chlorhexidine Gluconate70 claims
- Penicillin V Potassium55 claims
- Amoxicillin-Clavulanate Potass34 claims
- Ibu12 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.
Industry payments in 2024: $1,257.28
5 payments; by number, the most common kind was gift; the largest payer was Ultradent Products 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 J. Kortebein among 155 oral and maxillofacial surgery (dentist) records in Wisconsin
Mark J. Kortebein, DDS 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 updated2008 · 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 Mequon → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Alan Kimmel, DDSMequon, WI 530921760576128
- John Miller, DDSMeguon, WI 530921609843648
- Sheppard Mollick, DMDMequon, WI 530921962596395
- Dylan Starck, DMD, MDMequon, WI 530921417519331
- Peter Wagner, D.D.S.Mequon, WI 530921548356280
- Henry Ambrookian, D.D.S.West Bend, WI 530951295841203
- Theodore Anderson, DMDSheboygan, WI 530811134178163
- Tyler Kalmuck, D.D.S.Sheboygan, WI 530811063869485
Common questions
What is Mark J. Kortebein, DDS's NPI number?
Mark J. Kortebein, DDS's National Provider Identifier (NPI) is 1336233790, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Kortebein, DDS located?
The NPPES record lists a practice address at 10535 N Port Washington RD, Mequon, WI, 53092. Phone: (262) 241-0900. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Kortebein, DDS's license?
NPPES lists Wisconsin license number 4130-015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mark J. Kortebein, DDS prescribe under Medicare Part D?
In 2024, Mark J. Kortebein, DDS had 512 Medicare Part D claims for 206 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.