Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Margaret Ann Quate-Operacz, MD

Individual provider Internal Medicine Physician · NPI 1093895450

Margaret Ann Quate-Operacz, MD practises Nephrology in Mishawaka, Indiana. Graduated from University of Cincinnati College of Medicine in 2001, 25 years ago. Practices with Kidney Care of Michiana LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
25
Trained at
University of Cincinnati College of Medicine
Licensed in
IN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3665 Park Pl W Ste 300
Mishawaka, IN 46545-3566 Not confirmed with CMS for 13 years — call before visiting
Phone: (574) 607-4724
Fax: (574) 607-4725
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01063507A (IN)
Nephrology Physician Taxonomy 207RN0300X · Licence 01063507A (IN)

Record details

NPI number1093895450
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESDecember 6, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Kidney Care Of Michiana Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients599
Services billed 1,908 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Kidney Care of Michiana LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 6 clinicians in the practice; 4 are shown here.

Other providers in Mishawaka