NPPES file of Aug 9, 2026

Jack N. Powitz, MD

Psychiatry Physician · Chicago, IL

Jack N. Powitz, MD is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1558490433, issued on Mar 5, 2007. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558490433
Name
Jack N. Powitz
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
4700 N Western Ave, Chicago, IL 60625
Phone
(773) 334-8580
Enumerated
Mar 5, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 334-8590
Medicare enrollment
Enrolled (PECOS I20070606000012); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 4700 N Western Ave

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

  1. Mary Tierney, D.D.S., M.S.Pediatric Dentistry1649321803

Verify Jack N. Powitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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2.1 times the Medicare Part D claims of the average psychiatry physician in 2024

2,055 Medicare Part D claims for 224 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Jack Powitz2,055
  2. Specialty average1,000

Most prescribed

  1. Risperidone250 claims
  2. Clozapine191 claims
  3. Lorazepam178 claims
  4. Trazodone Hcl149 claims
  5. Olanzapine126 claims
  6. Sertraline Hcl126 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Total Care Solutions, SCPark Forest, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other psychiatry physician records in Illinois

  1. Alexandra Aaronson, M.D.Chicago, IL1881937928
  2. Anthony Abadir, MDOak Park, IL1295312551
  3. Huma Abbas, M.D.Aurora, IL1609039163
  4. Jeff Abbott, M.D.Chicago, IL1265887509
  5. Kathryn AbbottChicago, IL1295537561
  6. Gil Abelita, MDBloomington, IL1619986551
  7. Dinuk Abeysekera, M.D.North Chicago, IL1366616534
  8. Patrick Abler, DOSpringfield, IL1770158537
  9. Rohit Abraham, MD, MPH, MATChicago, IL1013478932
  10. Richard AbramsChicago, IL1003992413

Common questions

What is Jack N. Powitz, MD's NPI number?

Jack N. Powitz, MD's National Provider Identifier (NPI) is 1558490433, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jack N. Powitz, MD located?

The NPPES record lists a practice address at 4700 N Western Ave, Chicago, IL, 60625. Phone: (773) 334-8580. Providers update this record themselves, so call before visiting.

How can I verify Jack N. Powitz, MD's license?

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 Jack N. Powitz, MD prescribe under Medicare Part D?

In 2024, Jack N. Powitz, MD had 2,055 Medicare Part D claims for 224 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Jack N. Powitz, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.