Registry data as of Aug 27, 2026

Nagib Ali, M.D.

Internal Medicine Physician · Chicago, IL

Nagib Ali, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1376529271, issued on Dec 22, 2005. 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 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376529271
Name
Nagib Ali
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
2600 S Michigan Ave, Chicago, IL 60616
Phone
(312) 567-2979
Enumerated
Dec 22, 2005
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 2600 S Michigan Ave

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

  1. Damon Arnold, M.D.Internal Medicine Physician1689650962
  2. Hamida Bachh, MDOphthalmology Physician1053448225
  3. Farzana Begum, M.D.Internal Medicine Physician1184616310
  4. Daniela BischoffClinical Social Worker1396441515
  5. Edward Bleier, MDInternal Medicine Physician1649256744
  6. Renuka Chilajwar, PTPhysical Therapist1801264809

Verify Nagib Ali 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.

97% fewer Medicare Part D claims than the average internal medicine physician in 2024

81 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Nagib Ali81
  2. Specialty average3,176

Most prescribed

  1. Azithromycin16 claims
  2. Methylprednisolone12 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.

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Nagib Ali, M.D.'s NPI number?

Nagib Ali, M.D.'s National Provider Identifier (NPI) is 1376529271, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Nagib Ali, M.D. located?

The NPPES record lists a practice address at 2600 S Michigan Ave, Chicago, IL, 60616. Phone: (312) 567-2979. Providers update this record themselves, so call before visiting.

How can I verify Nagib Ali, M.D.'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 Nagib Ali, M.D. prescribe under Medicare Part D?

In 2024, Nagib Ali, M.D. had 81 Medicare Part D claims for 14 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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) 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 27, 2026.