KAROLYN M IVANOVIC M.D.
NPI 1457337867
Radiology - Diagnostic Radiology in Mequon, WI

Q: What is Karolyn Ivanovic's NPI number?

The NPI number for Karolyn Ivanovic is 1457337867. It was assigned to this individual provider in the NPPES registry on December 16, 2005. The provider is also known as Karolyn M Davidson M.D..

Q: What is Karolyn Ivanovic's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Karolyn Ivanovic was last updated on December 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.

Active since December 16, 2005PECOS Enrolled

12936 N COBBLESTONE CT, MEQUON, WI 53097(612) 573-2200(612) 573-2274 Get Directions Write a Review

NPPES record last updated: December 5, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 5, 2024, Feb 21, 2023, Nov 30, 2022 and 2 more (5 updates tracked since 2020).

On this page

About Karolyn M Ivanovic M.d. NPPES

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

KAROLYN M IVANOVIC M.D. (NPI 1457337867) is an individual diagnostic radiology provider in Mequon, Wisconsin, licensed in Minnesota (47884) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1457337867

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameKAROLYN M IVANOVICCredential: M.D.

Location Address12936 N COBBLESTONE CTMequon, WI 53097-1813

Mailing Address7595 Anagram DrEden Prairie, MN 55344-7399 · (612) 573-2200 · Fax (612) 573-2274

Phone(612) 573-2200

Fax(612) 573-2274

Sole ProprietorNo

Enumeration DateDecember 16, 2005

Last NPPES UpdateDecember 5, 20245 updates tracked since enumeration

NPPES CertifiedDecember 5, 2024

✔ NPI 1457337867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in MN · 47884✔ Licensed in WI · 52808

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

12936 N COBBLESTONE CT, Mequon, WI 53097

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Other Names 1

Former Name (1)Karolyn M Davidson M.d.

Secondary Practice Location 1

Location 18750 William Coffey DrMilwaukee, WI 53226-1221 · Phone (414) 805-3700

Other Identifiers 1

Medicaid1457337867WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karolyn M Ivanovic M.d. 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 Reassignment

Medicare enrollment records show Karolyn Ivanovic reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sanford Bismarck

669 mi

Multi-Specialty

565 S 7TH ST
Bismarck, ND 58504

Reassigned Medicare billing, Wisconsin enrollment

NPI 1811941172 (701) 323-5550

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 53097 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%361 patients

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

100%243 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Karolyn Ivanovic's NPI number?

The NPI number for Karolyn Ivanovic is 1457337867. It was assigned to this individual provider in the NPPES registry on December 16, 2005. The provider is also known as Karolyn M Davidson M.D..

Where is Karolyn Ivanovic located?

Karolyn Ivanovic practices at 12936 N Cobblestone Ct, Mequon, WI 53097. The listed phone number is (612) 573-2200.

What is Karolyn Ivanovic's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Karolyn Ivanovic enrolled in Medicare?

Yes. Karolyn Ivanovic is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karolyn Ivanovic's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karolyn Ivanovic reassigns Medicare benefits to Sanford Bismarck (Bismarck, ND). The 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 Karolyn Ivanovic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karolyn Ivanovic accept?

Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Karolyn Ivanovic 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 Karolyn Ivanovic was last updated on December 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.