NPPES file of Aug 9, 2026

Leonard Jack Stewart

Physician Assistant · Morton Grove, IL

Leonard Jack Stewart is a physician assistant with a practice address in Morton Grove, Illinois, and NPI 1598377202, issued on Aug 24, 2020. Check the license with the Illinois board that licenses this profession; 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
1598377202
Name
Leonard Jack Stewart
Primary taxonomy
Physician Assistant 363A00000X
License number
9113168 FL
Self-reported in NPPES; status is on the state search
Practice location
9000 Waukegan RD Ste 200, Morton Grove, IL 60053
Phone
(847) 375-3000
Enumerated
Aug 24, 2020
Record last updated
Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220106002296); accepts Medicare assignment
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 9000 Waukegan RD Ste 200

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

  1. Jaclyn BoehmPhysician Assistant1164219101
  2. Michael Burton, MDOrthopaedic Surgery Physician1609335538
  3. Walnick FrancisqueSurgical Assistant1366399958
  4. Jonathan Gerber, MS, LAT, ATCSports Medicine (Physical Medicine & Rehabilitation) Physician1124794920
  5. William Hiatt, PA-CPhysician Assistant1659981694
  6. Sarah Hillier, ATCOrthopedic Physical Therapist1750259768

Verify Leonard Jack Stewart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
Find the Illinois license search

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33% more Medicare Part D claims than the average physician assistant in 2024

1,104 Medicare Part D claims for 549 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Leonard Stewart1,104
  2. Specialty average830

Most prescribed

  1. Ketoconazole433 claims
  2. Mupirocin169 claims
  3. Triamcinolone Acetonide97 claims
  4. Ciclopirox65 claims
  5. Metronidazole52 claims
  6. Clobetasol Propionate49 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.

Industry payments in 2024: $95.21

5 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leonard Stewart$95.21
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Johnny Gurgen DO PALeesburg, FL

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

Leonard Jack Stewart among 4,926 physician assistant records in Illinois

Leonard Jack Stewart is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 58% of them.

  • NPI issued2020 · 58% of these records are older, 34% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2020 · median 2019 among the 3,407 with a school on file
  • Record last updated2021 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 physician assistant records list a practice address in Morton Grove

They are 36 of the 503 NPPES records with a practice address in Morton Grove, and 4,926 physician assistant records in Illinois.

The 8 physician assistant records with the nearest ZIP codes

  1. Lindsay Anderson, PA-CMorton Grove, IL 600531437447802
  2. Charlotte DuerMorton Grove, IL 600531396069191
  3. Jonathan Garrett, P.A.Morton Grove, IL 600531558367482
  4. Jada Hansberry, PA-CMorton Grove, IL 600531326359100
  5. Hilary Hommes, PA-CMorton Grove, IL 600531528341252
  6. Clifton Howard, PAMorton Grove, IL 600531033354576
  7. Patrick Knott, PAMorton Grove, IL 600531043311798
  8. Judy Legaspi, PAMorton Grove, IL 600531548286545

Common questions

What is Leonard Jack Stewart's NPI number?

Leonard Jack Stewart's National Provider Identifier (NPI) is 1598377202, issued on Aug 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Leonard Jack Stewart located?

The NPPES record lists a practice address at 9000 Waukegan RD Ste 200, Morton Grove, IL, 60053. Phone: (847) 375-3000. Providers update this record themselves, so call before visiting.

How can I verify Leonard Jack Stewart's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Leonard Jack Stewart prescribe under Medicare Part D?

In 2024, Leonard Jack Stewart had 1,104 Medicare Part D claims for 549 beneficiaries; the average among physician assistant prescribers was 830. 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.