Margaret Ann Quate-Operacz, M.D.
Internal Medicine Physician · Mishawaka, IN
Margaret Ann Quate-Operacz, M.D. is an internal medicine physician with a practice address in Mishawaka, Indiana, and NPI 1093895450, issued on Oct 17, 2006. Check the license (Indiana 01063507A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Margaret Ann Quate-Operacz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01063507A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3665 Park PL W, Mishawaka, IN 46545
- Phone
- (574) 607-4724
- Enumerated
- Oct 17, 2006
- Record last updated
- Dec 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (574) 607-4725
- Medicaid ID
- 200862790 IN
- Medicare enrollment
- Enrolled (PECOS I20070604000111); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 3665 Park PL W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Salcedo, D.P.M.Foot & Ankle Surgery Podiatrist1528065059
- Leslie Schmitz, DONephrology Physician1497873384
Verify Margaret Ann Quate-Operacz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01063507ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,086 Medicare Part D claims for 270 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Calcitriol143 claims
- Lisinopril140 claims
- Furosemide96 claims
- Losartan Potassium95 claims
- Amlodipine Besylate56 claims
- Prosol50 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 66.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $155.48
4 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kidney Care OF Michiana LLCElkhart, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Ann Quate-Operacz among 2,109 internal medicine physician records in Indiana
Margaret Ann Quate-Operacz, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2001 · median 2005 among the 1,448 with a school on file
- Record last updated2012 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 internal medicine physician records list a practice address in Mishawaka
They are 18 of the 1,454 NPPES records with a practice address in Mishawaka, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Mishawaka → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Motasem Afyouni, M.D.Mishawaka, IN 465451306011606
- Dahan Al-Fadhl, M.D.Mishawaka, IN 465451740235183
- John Decelles, M.D.Mishawaka, IN 465451841238490
- Alexander Gatzimos, M.D.,JDMishawaka, IN 465451548476120
- Taegee Kiehm, M.D.Mishawaka, IN 465451780671883
- Alakananda Kulkarni, M.DMishawaka, IN 465451538255609
- Elizabeth Lauber, M.D.Mishawaka, IN 465451053308551
- Mark McGillem, M.D.Mishawaka, IN 465451700877339
Common questions
What is Margaret Ann Quate-Operacz, M.D.'s NPI number?
Margaret Ann Quate-Operacz, M.D.'s National Provider Identifier (NPI) is 1093895450, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Ann Quate-Operacz, M.D. located?
The NPPES record lists a practice address at 3665 Park PL W, Mishawaka, IN, 46545. Phone: (574) 607-4724. Providers update this record themselves, so call before visiting.
How can I verify Margaret Ann Quate-Operacz, M.D.'s license?
NPPES lists Indiana license number 01063507A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Ann Quate-Operacz, M.D. prescribe under Medicare Part D?
In 2024, Margaret Ann Quate-Operacz, M.D. had 1,086 Medicare Part D claims for 270 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Margaret Ann Quate-Operacz, M.D.'s MIPS final score?
The 2023 MIPS final score is 66.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.