NPPES file of Aug 9, 2026

Alexander Tam, MD

Student in an Organized Health Care Education/Training Program · Chicago, IL

Alexander Tam, MD is a student in an organized health care education/training program with a practice address in Chicago, Illinois, and NPI 1932953494, issued on Apr 12, 2024. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1932953494
Name
Alexander Tam
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
5841 S Maryland Ave # MC6040, Chicago, IL 60637
Phone
(773) 702-6337
Enumerated
Apr 12, 2024
Record last updated
Apr 12, 2024
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.
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Also registered at 5841 S Maryland Ave # MC6040

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

  1. Stacey Adjei, MD, MPHSurgery Physician1356136345
  2. Blake Alberts, M.D.Surgery Physician1912310178
  3. Mohamed AldallalSurgery Physician1235830993
  4. Nour Asfour, MDStudent in an Organized Health Care Education/Training Program1316732209
  5. Lutfi Barghuthi, MDVascular Surgery Physician1881155935
  6. Marco Bertucci Zoccali, MDColon & Rectal Surgery Physician1033537659

Verify Alexander Tam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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86% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

25 Medicare Part D claims for 15 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Alexander Tam25
  2. Specialty average185

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.

Alexander Tam among 6,526 student in an organized health care education/training program records in Illinois

Alexander Tam, MD is one of 6,526 student in an organized health care education/training program records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 44% of them.

  • NPI issued2024 · 44% of these records are older, 40% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2024 · 22% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,509 student in an organized health care education/training program records list a practice address in Chicago

They are 3,509 of the 63,379 NPPES records with a practice address in Chicago, and 6,526 student in an organized health care education/training program records in Illinois.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Alex ChoyChicago, IL 606371154819738
  2. Elam CoalsonChicago, IL 606371285264259
  3. Adrian DiazChicago, IL 606371740714377
  4. Matthew Gold, MDChicago, IL 606371336601848
  5. Abhishek Goswami, MDChicago, IL 606371376021410
  6. Tripat Kaur, MDChicago, IL 606371225524200
  7. Izabela Kazana, DNP, APNChicago, IL 606371881129377
  8. U Kumar Jayant, MD, PHDChicago, IL 606371437676434

Common questions

What is Alexander Tam, MD's NPI number?

Alexander Tam, MD's National Provider Identifier (NPI) is 1932953494, issued on Apr 12, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Tam, MD located?

The NPPES record lists a practice address at 5841 S Maryland Ave # MC6040, Chicago, IL, 60637. Phone: (773) 702-6337. Providers update this record themselves, so call before visiting.

How can I verify Alexander Tam, MD's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Alexander Tam, MD prescribe under Medicare Part D?

In 2024, Alexander Tam, MD had 25 Medicare Part D claims for 15 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.

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.