NPPES file of Aug 9, 2026

Peggy Chou, M. D.

Psychiatry Physician · Chicago, IL

Peggy Chou, M. D. is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1124144886, issued on Mar 22, 2007. Check the license (Illinois 036-048545, as entered in NPPES) 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124144886
Name
Peggy Chou
Credential
M. D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
036-048545 IL
Self-reported in NPPES; status is on the state search
Practice location
7531 S Stony Island Ave, Chicago, IL 60649
Phone
(773) 947-7900
Enumerated
Mar 22, 2007
Record last updated
Apr 24, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
036-048545 IL
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 7531 S Stony Island Ave

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

  1. Ahmed Abdelkader, MDFamily Medicine Physician1659104230
  2. Zain Abdin, MDFamily Medicine Physician1124719117
  3. Mustafa AlazizFamily Medicine Physician1770277782
  4. Carol Alexander, NP-CNurse Practitioner1689609554
  5. Andrew Allen, PA-CPhysician Assistant1285148486
  6. Rakshanda Banu, MDFamily Medicine Physician1750215778

Verify Peggy Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-048545
    Check 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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71% fewer Medicare Part D claims than the average psychiatry physician in 2024

291 Medicare Part D claims for 58 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Peggy Chou291
  2. Specialty average1,000

Most prescribed

  1. Ziprasidone Hcl35 claims
  2. Lurasidone Hcl32 claims
  3. Olanzapine32 claims
  4. Quetiapine Fumarate32 claims
  5. Risperidone21 claims
  6. Invega Sustenna19 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.

Peggy Chou among 2,147 psychiatry physician records in Illinois

Peggy Chou, M. D. 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 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 50% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2013 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Milton Daugherty, MDChicago, IL 606491124100896
  2. Tinoka McPherson, MD, DMD-MPH, PHDChicago, IL 606491306671300
  3. Thodur Ranganathan, M.D.Chicago, IL 606491841269727
  4. Portia Bonebrake, M.D.Chicago, IL 606471073673760
  5. Chung Chen, M.D.Chicago, IL 606511316958002
  6. Jack Chovanec, MDChicago, IL 606471255081170
  7. Kristina Gawor, M.D.Chicago, IL 606511114145950
  8. Phyllis Amabile, M.D.Chicago, IL 606461346253606

Common questions

What is Peggy Chou, M. D.'s NPI number?

Peggy Chou, M. D.'s National Provider Identifier (NPI) is 1124144886, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Peggy Chou, M. D. located?

The NPPES record lists a practice address at 7531 S Stony Island Ave, Chicago, IL, 60649. Phone: (773) 947-7900. Providers update this record themselves, so call before visiting.

How can I verify Peggy Chou, M. D.'s license?

NPPES lists Illinois license number 036-048545, 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 Peggy Chou, M. D. prescribe under Medicare Part D?

In 2024, Peggy Chou, M. D. had 291 Medicare Part D claims for 58 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.