NPPES file of Aug 9, 2026

Connor Lawrence Booker, MD

Psychiatry Physician · Chicago, IL

Connor Lawrence Booker, MD is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1790423879, issued on May 26, 2022. Check the license (Illinois 036-175255, 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
1790423879
Name
Connor Lawrence Booker
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
036-175255 IL
Self-reported in NPPES; status is on the state search
Practice location
2150 W Harrison St, Chicago, IL 60612
Phone
(312) 942-5495
Enumerated
May 26, 2022
Record last updated
May 5, 2026
Medicare enrollment
Enrolled (PECOS I20260508003373); may accept Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2022
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 2150 W Harrison St

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

  1. Nicole Adamowicz, PMHNPPsychiatric/Mental Health Nurse Practitioner1043040785
  2. Senada Bajmakovic-Kacila, MDPsychiatry Physician1730246067
  3. Gail Basch, M.D.Psychiatry Physician1992903850
  4. Dhanya Baskaran, MDChild & Adolescent Psychiatry Physician1083282792
  5. Catherine Byrne, PH.D.Clinical Psychologist1356952980
  6. Michael Byrne, M.D.Psychiatry Physician1649610239

Verify Connor Lawrence Booker 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 036-175255
    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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65% fewer Medicare Part D claims than the average psychiatry physician in 2024

349 Medicare Part D claims for 38 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Connor Booker349
  2. Specialty average1,000

Most prescribed

  1. Mirtazapine27 claims
  2. Olanzapine27 claims
  3. Bupropion Xl22 claims
  4. Clonazepam22 claims
  5. Hydroxyzine Hcl14 claims
  6. Lamotrigine13 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.

Connor Lawrence Booker among 2,147 psychiatry physician records in Illinois

Connor Lawrence Booker, MD 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 2022, is newer than 88% of them.

  • NPI issued2022 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2022 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Olusola Ajilore, M.D.Chicago, IL 606121740213347
  2. Sybil Circle, MDChicago, IL 606121861509879
  3. Rodney EigerChicago, IL 606121982717120
  4. Peter Fore, M.D.Chicago, IL 606121023125838
  5. Cheryl Gaines, M.D., M.A.Chicago, IL 606121346358009
  6. Yakov GertsbergChicago, IL 606121215940598
  7. Nafisa GhadialiChicago, IL 606121215940416
  8. Kalman KaplanChicago, IL 606121902819279

Common questions

What is Connor Lawrence Booker, MD's NPI number?

Connor Lawrence Booker, MD's National Provider Identifier (NPI) is 1790423879, issued on May 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Connor Lawrence Booker, MD located?

The NPPES record lists a practice address at 2150 W Harrison St, Chicago, IL, 60612. Phone: (312) 942-5495. Providers update this record themselves, so call before visiting.

How can I verify Connor Lawrence Booker, MD's license?

NPPES lists Illinois license number 036-175255, 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 Connor Lawrence Booker, MD prescribe under Medicare Part D?

In 2024, Connor Lawrence Booker, MD had 349 Medicare Part D claims for 38 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.