NPPES file of Aug 9, 2026

Christopher Francis Pirok, M.D.

Psychiatry Physician · Chicago, IL

Christopher Francis Pirok, M.D. is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1184984023, issued on May 25, 2012. Check the license (Illinois 036.139395, 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
1184984023
Name
Christopher Francis Pirok
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
036.139395 IL
A120892 CA
Self-reported in NPPES; status is on the state search
Practice location
737 N Michigan Ave, Chicago, IL 60611
Phone
(312) 291-4262
Enumerated
May 25, 2012
Record last updated
Apr 27, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(312) 291-4266
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 737 N Michigan Ave

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

  1. Adrienne Adams, M.D.Obstetrics & Gynecology Physician1710272760
  2. Edward Alderson, LPCProfessional Counselor1891368940
  3. Maddie BennettCounselor1841174554
  4. Linda Beribak, OTR/L, CHTHand Occupational Therapist1285998294
  5. Hamzah BeydounProfessional Counselor1801495254
  6. Joyce Bookshester, PSY.D.Psychologist1588622666

Verify Christopher Francis Pirok 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 036.139395
    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

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85% fewer Medicare Part D claims than the average psychiatry physician in 2024

150 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Christopher Pirok150
  2. Specialty average1,000

Most prescribed

  1. Clonazepam29 claims
  2. Duloxetine Hcl28 claims
  3. Mirtazapine20 claims
  4. Bupropion Xl15 claims
  5. Dextroamphetamine-Amphetamine14 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.

Christopher Francis Pirok among 2,147 psychiatry physician records in Illinois

Christopher Francis Pirok, 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 2012, is newer than 62% of them.

  • NPI issued2012 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 41% of these records are
  • Record last updated2016 · 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. Ghada Albeheary, MDChicago, IL 606111477534576
  2. Joan Anzia, MDChicago, IL 606111528039658
  3. Lydia Breen, MDChicago, IL 606111518926203
  4. Kenneth Cohen, M.D.Chicago, IL 606111952366551
  5. Pedro Dago, MDChicago, IL 606111689637639
  6. John Gerber, M.D.Chicago, IL 606111447216544
  7. Larry Goldman, M.D.Chicago, IL 606111851356752
  8. Jonathon Goldman, M.D.Chicago, IL 606111427013374

Common questions

What is Christopher Francis Pirok, M.D.'s NPI number?

Christopher Francis Pirok, M.D.'s National Provider Identifier (NPI) is 1184984023, issued on May 25, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Francis Pirok, M.D. located?

The NPPES record lists a practice address at 737 N Michigan Ave, Chicago, IL, 60611. Phone: (312) 291-4262. Providers update this record themselves, so call before visiting.

How can I verify Christopher Francis Pirok, M.D.'s license?

NPPES lists Illinois license number 036.139395, 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 Christopher Francis Pirok, M.D. prescribe under Medicare Part D?

In 2024, Christopher Francis Pirok, M.D. had 150 Medicare Part D claims; 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.