1. Home
  2. Directory
  3. Wisconsin
  4. Mequon
  5. Dentist
  6. NPI Profile

MARK J KORTEBEIN DDS
NPI 1336233790
Dentist - Oral and Maxillofacial Surgery in Mequon, WI

Active since October 02, 2006PECOS Enrolled
10535 N PORT WASHINGTON RD, SUITE 102, MEQUON, WI 53092(262) 241-0900(262) 241-0904 Get Directions Write a Review

NPPES record last updated: February 5, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark J Kortebein Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK J KORTEBEIN DDS (NPI 1336233790) is an individual oral and maxillofacial surgery provider in Mequon, Wisconsin, licensed in Wisconsin (4130-015) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336233790
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameMARK J KORTEBEINCredential: DDS
Location Address10535 N PORT WASHINGTON RD, SUITE 102Mequon, WI 53092-5583
Mailing Address10535 N Port Washington Rd, Suite 102Mequon, WI 53092-5583 · (262) 241-0900 · Fax (262) 241-0904
Phone(262) 241-0900
Fax(262) 241-0904
Sole ProprietorNo
Enumeration DateOctober 2, 2006
Last NPPES UpdateFebruary 5, 2008
✔ NPI 1336233790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in WI · 4130-015
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
10535 N PORT WASHINGTON RD, Mequon, WI 53092
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark J Kortebein Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mark Kortebein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oral Surgery Associates Of Milwaukee Sc
0.1 mi
Oral and Maxillofacial Surgery
10535 N PORT WASHINGTON RD, SUITE 102
Mequon, WI 53092
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4 clinicians in this Medicare group
NPI 1477647832 (262) 241-0900
Aurora Health Care Metro, Inc.
15 mi
General Acute Care Hospital
2900 W OKLAHOMA AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 297 clinicians in this Medicare group
NPI 1861447179 (414) 649-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53092 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CRAIG RENOLD CARR DDS
Dentist (Endodontics)
10535 N PORT WASHINGTON RD
MEQUON, WI 53092
Ozaukee County (262) 240-0048
ORAL SURGERY ASSOCIATES OF MILWAUKEE SC
Dentist (Oral and Maxillofacial Surgery)
10535 N PORT WASHINGTON RD, SUITE 102
MEQUON, WI 53092
Ozaukee County (262) 241-0900
DR. PETER LOUIS WAGNER D.D.S.
Dentist (Oral and Maxillofacial Surgery)
10535 N PORT WASHINGTON RD, SUITE 102
MEQUON, WI 53092
Ozaukee County (262) 241-0900
ALAN A KIMMEL DDS
Dentist (Oral and Maxillofacial Surgery)
10535 N PORT WASHINGTON RD, SUITE 102
MEQUON, WI 53092
Ozaukee County (262) 241-0900
SHEPPARD B MOLLICK DMD
Dentist (Oral and Maxillofacial Surgery)
10535 N PORT WASHINGTON RD, SUITE 102
MEQUON, WI 53092
Ozaukee County (414) 241-0900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Kortebein's NPI number?

The NPI number for Mark Kortebein is 1336233790. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Mark Kortebein located?

Mark Kortebein practices at 10535 N Port Washington Rd Suite 102, Mequon, WI 53092. The listed phone number is (262) 241-0900.

What is Mark Kortebein's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Mark Kortebein enrolled in Medicare?

Yes. Mark Kortebein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Kortebein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kortebein reassigns Medicare benefits to 2 organizations: Oral Surgery Associates Of Milwaukee Sc (Mequon, WI) and Aurora Health Care Metro, Inc. (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Kortebein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Kortebein accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Mark Kortebein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Kortebein was last updated on February 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.