Registry data as of Aug 27, 2026

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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912676966
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

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.

  1. Wendy Chen, MDInternal Medicine Physician1164943726
  2. Ryan Etchison, MDStudent in an Organized Health Care Education/Training Program1326571696
  3. Adam Hockensmith, M.D.Emergency Medicine Physician1891226668
  4. Rahbia Hussein, MDStudent in an Organized Health Care Education/Training Program1104404573
  5. Samantha IngGeriatric Medicine (Internal Medicine) Physician1306328661
  6. Destiny Kellam, MDHospice and Palliative Medicine (Emergency Medicine) Physician1033853650

Verify Sara Tonini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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.

  1. Sara Tonini131
  2. Specialty average2,785

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.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Motaz Abas, MDPeoria, IL1215510201
  4. Elias Abate, M.D.Chicago, IL1336712199
  5. Maliha Abbas, D.O.Chicago, IL1174963920
  6. Zareena Abbas, MDChicago, IL1427078872
  7. Abu Abbasi, MDChicago, IL1083243877
  8. Ayesha Abbasi, MDChicago, IL1376216705
  9. Khalda Abbasi, MDNaperville, IL1487705240
  10. Misha Abbasi, MDChicago, IL1770111635

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.