NPPES file of Aug 9, 2026

Thomas Grant, MD

Diagnostic Radiology Physician · Chicago, IL

Thomas Grant, MD is a diagnostic radiology physician with a practice address in Chicago, Illinois, and NPI 1144258013, issued on Jun 29, 2006. 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144258013
Name
Thomas Grant
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
Practice location
680 N Lake Shore Dr, Chicago, IL 60611
Phone
(312) 695-9797
Enumerated
Jun 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100621000348); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1970
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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Also registered at 680 N Lake Shore Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Abecassis, MDTransplant Surgery Physician1134117377
  2. Yolanda Adler, MDDiagnostic Radiology Physician1518957760
  3. Brian Adley, MDAnatomic Pathology & Clinical Pathology Physician1932151966
  4. Mohamed Afifi, MDCritical Care Medicine (Anesthesiology) Physician1922098524
  5. Erin Agins, M.D.Obstetrics & Gynecology Physician1407118383
  6. Abby Agulnek, DOHospitalist Physician1689662942

Verify Thomas Grant 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.

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45% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

28 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. Thomas Grant28
  2. Specialty average51

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.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationChicago, IL

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

Thomas Grant among 1,874 diagnostic radiology physician records in Illinois

Thomas Grant, MD is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 71% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 54% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1970 · median 2004 among the 1,201 with a school on file
  • Record last updated2007 · 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 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Illinois

There are 1,874 diagnostic radiology physician records in Illinois.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Yolanda Adler, MDChicago, IL 606111518957760
  2. Eric Bartlett, MDChicago, IL 606111609866359
  3. Ellen Benya, M.D.Chicago, IL 606111497755565
  4. David Casalino, MDChicago, IL 606111861453540
  5. Alpa Chandarana, MDChicago, IL 606111710964689
  6. James Donaldson, M.D.Chicago, IL 606111225022312
  7. Patricia Karstaedt, M.D.Chicago, IL 606111891779328
  8. Cynthia Rigsby, M.D.Chicago, IL 606111346234374

Common questions

What is Thomas Grant, MD's NPI number?

Thomas Grant, MD's National Provider Identifier (NPI) is 1144258013, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Grant, MD located?

The NPPES record lists a practice address at 680 N Lake Shore Dr, Chicago, IL, 60611. Phone: (312) 695-9797. Providers update this record themselves, so call before visiting.

How can I verify Thomas Grant, 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 Thomas Grant, MD prescribe under Medicare Part D?

In 2024, Thomas Grant, MD had 28 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.

What is Thomas Grant, MD'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.