NPPES file of Aug 9, 2026

Robert Michael Sargis, MD PHD

Endocrinology, Diabetes & Metabolism Physician · Chicago, IL

Robert Michael Sargis, MD PHD is an endocrinology, diabetes & metabolism physician with a practice address in Chicago, Illinois, and NPI 1760649990, issued on May 16, 2008. Check the license (Illinois 125-049284, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760649990
Name
Robert Michael Sargis
Credential
MD PHD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
125-049284 IL
Self-reported in NPPES; status is on the state search
Practice location
5847 South Maryland, Chicago, IL 60637
Phone
(773) 834-1915
Enumerated
May 16, 2008
Record last updated
May 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100817001603); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Robert Michael Sargis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125-049284
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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96% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

95 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Robert Sargis95
  2. Specialty average2,630

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 practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.8
  2. Costout of 100 · 30%52.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Board OF Trustees OF The University OF IllinoisChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Michael Sargis among 436 endocrinology, diabetes & metabolism physician records in Illinois

Robert Michael Sargis, MD PHD is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 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 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 43% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2005 · median 2006 among the 295 with a school on file
  • Record last updated2008 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Illinois

There are 436 endocrinology, diabetes & metabolism physician records in Illinois.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Renee Aronsohn, MDChicago, IL 606371831356070
  2. Rebecca Brown, M.D.Chicago, IL 606371336193671
  3. Ronald CohenChicago, IL 606371437211463
  4. David EhrmannChicago, IL 606371235291790
  5. Brian Kim, MDChicago, IL 606371346299831
  6. Colleen Majewski, M.D.Chicago, IL 606371518113513
  7. Raghavendra MirmiraChicago, IL 606371417099771
  8. Silvana PannainChicago, IL 606371558423004

Common questions

What is Robert Michael Sargis, MD PHD's NPI number?

Robert Michael Sargis, MD PHD's National Provider Identifier (NPI) is 1760649990, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Robert Michael Sargis, MD PHD located?

The NPPES record lists a practice address at 5847 South Maryland, Chicago, IL, 60637. Phone: (773) 834-1915. Providers update this record themselves, so call before visiting.

How can I verify Robert Michael Sargis, MD PHD's license?

NPPES lists Illinois license number 125-049284, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Michael Sargis, MD PHD prescribe under Medicare Part D?

In 2024, Robert Michael Sargis, MD PHD had 95 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Robert Michael Sargis, MD PHD's MIPS final score?

The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.