Margaret Cantara Schiffhauer
Physician Assistant · Chicago, IL
Margaret Cantara Schiffhauer is a physician assistant with a practice address in Chicago, Illinois, and NPI 1073145728, issued on Feb 11, 2020. Check the license (Illinois 085008449, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Cantara Schiffhauer
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085008449 IL
Self-reported in NPPES; status is on the state search - Practice location
- 251 E Huron St Ste 16-738, Chicago, IL 60611
- Phone
- (312) 926-5924
- Enumerated
- Feb 11, 2020
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (312) 926-6134
- Medicare enrollment
- Enrolled (PECOS I20210930000620); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2021
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 251 E Huron St Ste 16-738
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Cantara Schiffhauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085008449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average physician assistant in 2024
105 Medicare Part D claims for 44 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of 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): 94.1 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).
Bills Medicare through one group practice
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Cantara Schiffhauer among 4,926 physician assistant records in Illinois
Margaret Cantara Schiffhauer is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2019 among the 3,407 with a school on file
- Record last updated2021 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,445 physician assistant records list a practice address in Chicago
They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Regina Bart, PAChicago, IL 606111083656284
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- Jennifer Centore-Lober, PA CChicago, IL 606111932198322
- Karen Ferkau, P.A.Chicago, IL 606111013082809
- Jung Lee, PAChicago, IL 606111588698476
- Michael Maclean, PA-CChicago, IL 606111033139399
- Vera Nisavic, P.A.Chicago, IL 606111174696207
- Laura Nishi, PAChicago, IL 606111821040049
Common questions
What is Margaret Cantara Schiffhauer's NPI number?
Margaret Cantara Schiffhauer's National Provider Identifier (NPI) is 1073145728, issued on Feb 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Cantara Schiffhauer located?
The NPPES record lists a practice address at 251 E Huron St Ste 16-738, Chicago, IL, 60611. Phone: (312) 926-5924. Providers update this record themselves, so call before visiting.
How can I verify Margaret Cantara Schiffhauer's license?
NPPES lists Illinois license number 085008449, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Cantara Schiffhauer prescribe under Medicare Part D?
In 2024, Margaret Cantara Schiffhauer had 105 Medicare Part D claims for 44 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Margaret Cantara Schiffhauer's MIPS final score?
The 2023 MIPS final score is 94.1 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.