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ALEKSANDAR ROSICH MD INC
NPI 1245612233
Internal Medicine in Brookfield, WI

Active since June 25, 2015
18740 W BLUEMOUND RD, BROOKFIELD, WI 53045(920) 366-2575 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Aleksandar Rosich Md Inc NPPES

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

ALEKSANDAR ROSICH MD INC (NPI 1245612233) is a healthcare organization registered as an internal medicine in Brookfield, Wisconsin and active in the NPI registry since June 2015. The organization lists Aleksandar V Rosich, Owner, as its authorized official.

NPPES Registry Identity

NPI1245612233
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameALEKSANDAR ROSICH MD INC
Location Address18740 W BLUEMOUND RDBrookfield, WI 53045-2936
Mailing AddressPo Box 806Grafton, WI 53024-0806 · (414) 507-4741 · Fax (866) 571-3491
Phone(920) 366-2575
Organization SubpartNo
Authorized OfficialAleksandar V RosichOwner · (920) 366-2575
Enumeration DateJune 25, 2015
Last NPPES UpdateNovember 12, 2025
NPPES CertifiedNovember 12, 2025
✔ NPI 1245612233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WI · 43071
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
18740 W BLUEMOUND RD, Brookfield, WI 53045
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Other Identifiers 1

Medicaid34064700WI

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aleksandar Rosich Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Aleksandar Rosich MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Aleksandar Rosich, MD
Internal Medicine
NPI 1972606028
102 N WATER ST UNIT 305
Milwaukee, WI 53202
(920) 366-2575
✔ PECOS✔ Accepts Medicare12 mi

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

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 Aleksandar Rosich MD Inc's NPI number?

The NPI number for Aleksandar Rosich MD Inc is 1245612233. It was assigned to this organization in the NPPES registry on June 25, 2015.

Where is Aleksandar Rosich MD Inc located?

Aleksandar Rosich MD Inc is located at 18740 W Bluemound Rd, Brookfield, WI 53045. The listed phone number is (920) 366-2575.

What is Aleksandar Rosich MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Aleksandar Rosich MD Inc enrolled in Medicare?

Yes. Aleksandar Rosich MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Aleksandar Rosich MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Aleksandar Rosich MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Aleksandar Rosich MD Inc was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.