Edward Warren Pirok, M.D., PH.D.
Psychiatry Physician · Chicago, IL
Edward Warren Pirok, M.D., PH.D. is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1437315116, issued on Aug 1, 2008. Check the license (Illinois 125063280, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Edward Warren Pirok
- Credential
- M.D., PH.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 125063280 IL
Self-reported in NPPES; status is on the state search - Practice location
- 446 E Ontario St, Chicago, IL 60611
- Phone
- (312) 926-8200
- Enumerated
- Aug 1, 2008
- Record last updated
- Feb 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 446 E Ontario St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alison Alden, PH.D.Counselor1760762686
- Thomas Allen, MDPsychiatry Physician1891900197
- Chetan Amar, M.D.Student in an Organized Health Care Education/Training Program1053775585
- Carolyn Auffenberg, M.D.Psychiatry Physician1306132089
Verify Edward Warren Pirok 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 125063280Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average psychiatry physician in 2024
497 Medicare Part D claims for 30 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Fluoxetine Hcl55 claims
- Bupropion Xl47 claims
- Clonazepam40 claims
- Bupropion Hcl Sr29 claims
- Escitalopram Oxalate29 claims
- Armodafinil28 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.
Edward Warren Pirok among 2,147 psychiatry physician records in Illinois
Edward Warren Pirok, M.D., PH.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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2010 · 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
- Ghada Albeheary, MDChicago, IL 606111477534576
- Joan Anzia, MDChicago, IL 606111528039658
- Lydia Breen, MDChicago, IL 606111518926203
- Kenneth Cohen, M.D.Chicago, IL 606111952366551
- Pedro Dago, MDChicago, IL 606111689637639
- John Gerber, M.D.Chicago, IL 606111447216544
- Larry Goldman, M.D.Chicago, IL 606111851356752
- Jonathon Goldman, M.D.Chicago, IL 606111427013374
Common questions
What is Edward Warren Pirok, M.D., PH.D.'s NPI number?
Edward Warren Pirok, M.D., PH.D.'s National Provider Identifier (NPI) is 1437315116, issued on Aug 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Edward Warren Pirok, M.D., PH.D. located?
The NPPES record lists a practice address at 446 E Ontario St, Chicago, IL, 60611. Phone: (312) 926-8200. Providers update this record themselves, so call before visiting.
How can I verify Edward Warren Pirok, M.D., PH.D.'s license?
NPPES lists Illinois license number 125063280, 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 Edward Warren Pirok, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Edward Warren Pirok, M.D., PH.D. had 497 Medicare Part D claims for 30 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.