Sara Tonini, MD
Internal Medicine Physician · Chicago, IL
Sara Tonini, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1912676966, issued on Sep 12, 2021. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sara Tonini
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 5841 S Maryland Ave Ste MC6098, Chicago, IL 60637
- Phone
- (773) 702-8840
- Enumerated
- Sep 12, 2021
- Entity
- Type 1 · individual
Also registered at 5841 S Maryland Ave Ste MC6098
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sara Tonini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
131 Medicare Part D claims for 36 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% 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.
3,291 internal medicine physician records list a Chicago practice address
They are 3,291 of the 63,379 NPPES records with a Chicago practice address, and 8,522 internal medicine physician records in Illinois.
All 3,291 in Chicago → All 8,522 in Illinois → Every provider in Chicago →
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Common questions
What is Sara Tonini, MD's NPI number?
Sara Tonini, MD's National Provider Identifier (NPI) is 1912676966, issued on Sep 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sara Tonini, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave Ste MC6098, Chicago, IL, 60637. Phone: (773) 702-8840. Providers update this record themselves, so call before visiting.
How can I verify Sara Tonini, MD's license?
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 Sara Tonini, MD prescribe under Medicare Part D?
In 2024, Sara Tonini, MD had 131 Medicare Part D claims for 36 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.