Mark Kortebein, DDS
NPI 1336233790 · Oral and Maxillofacial Surgery (Dentist) · Mequon, WI
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kortebein, DDS is a Oral and Maxillofacial Surgery (Dentist) provider in Mequon, WI (NPI 1336233790).
Provider details
- NPI number
- 1336233790
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 4130-015 (WI)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 156 | 142 |
| Ibuprofen | 149 | 128 |
| Chlorhexidine Gluconate | 70 | 64 |
| Penicillin V Potassium | 55 | 44 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 34 | 26 |
| Ibuprofenbrand: Ibu | 12 | — |
| Clindamycin Hcl | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,257 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2008-02-05
Frequently asked questions
- What is Mark Kortebein's NPI number?
- Mark Kortebein's National Provider Identifier (NPI) is 1336233790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kortebein's specialty?
- Mark Kortebein is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Mark Kortebein located?
- Mark Kortebein's practice location on file with NPPES is 10535 N Port Washington Rd, Mequon, WI 53092-5583.
- What is Mark Kortebein's phone number?
- The practice phone number listed in the NPPES registry for Mark Kortebein is (262) 241-0900.
- Does Mark Kortebein accept Medicare?
- Mark Kortebein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kortebein's NPI active?
- Yes — Mark Kortebein's NPI (1336233790) is active in the NPPES registry as of the last update on 2008-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.