Alexander L. Chang
Psychiatry Physician · Chicago, IL
Alexander L. Chang is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1942705421, issued on Mar 27, 2018. Check the license (Illinois 036177755, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alexander L. Chang
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 036177755 IL
290822 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave, Chicago, IL 60637
- Phone
- (888) 824-0200
- Enumerated
- Mar 27, 2018
- Record last updated
- Feb 20, 2026
- Medicaid ID
- 110135529A MA
- Medicare enrollment
- Enrolled (PECOS I20260305000467); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexander L. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036177755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average psychiatry physician in 2024
1,212 Medicare Part D claims for 80 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam161 claims
- Trazodone Hcl77 claims
- Buprenorphine-Naloxone74 claims
- Venlafaxine Hcl Er62 claims
- Prazosin Hcl61 claims
- Escitalopram Oxalate60 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 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- University OF ChicagoChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Alexander L. Chang among 2,147 psychiatry physician records in Illinois
Alexander L. Chang is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2018 · median 2004 among the 877 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
841 psychiatry physician records list a practice address in Chicago
They are 841 of the 63,379 NPPES records with a practice address in Chicago, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Chicago → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Judith Badner, M.D.Chicago, IL 606371154449544
- David Berrier, M.D.Chicago, IL 606371508984907
- Eunice Chen, M.D.Chicago, IL 606371992823215
- Elliot GershonChicago, IL 606371063520781
- Morris Goldman, MDChicago, IL 606371952314106
- Jon GrantChicago, IL 606371235163759
- Seth Himelhoch, MD, MPHChicago, IL 606371659393569
- Erin Hurst, M.D.Chicago, IL 606371578603593
Common questions
What is Alexander L. Chang's NPI number?
Alexander L. Chang's National Provider Identifier (NPI) is 1942705421, issued on Mar 27, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Alexander L. Chang located?
The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.
How can I verify Alexander L. Chang's license?
NPPES lists Illinois license number 036177755, as entered by the provider. 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 Alexander L. Chang prescribe under Medicare Part D?
In 2024, Alexander L. Chang had 1,212 Medicare Part D claims for 80 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.