NPPES file of Aug 9, 2026

Philip Leung, M.D.

Sleep Medicine (Internal Medicine) Physician · Joliet, IL

Philip Leung, M.D. is a sleep medicine (internal medicine) physician with a practice address in Joliet, Illinois, and NPI 1881686715, issued on Aug 17, 2005. Check the license (Illinois 036-084773, 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
1881686715
Name
Philip Leung
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License numbers
036-084773 IL
036084773 IL
Self-reported in NPPES; status is on the state search
Practice location
903 129TH Infantry Dr, Joliet, IL 60435
Phone
(815) 725-2653
Enumerated
Aug 17, 2005
Record last updated
Apr 27, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(815) 744-3232
Medicare enrollment
Enrolled (PECOS I20100327000495); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1993
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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8 nearest sleep medicine (internal medicine) physician records → All 43 in Illinois → Look up another NPI →

Also registered at 903 129TH Infantry Dr

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

  1. Mazen Abdel-Hadi, M.D.Pulmonary Disease Physician1356468672
  2. Amar Garapati, M.D.Specialist1891787388
  3. Visvanatha Giri, M.D.Specialist1609868553
  4. Sakeba Issa, M.D.Rheumatology Physician1164475505
  5. James Malinowski, DDSGeneral Practice Dentistry1003830019
  6. David Sefcik, D.D.S.General Practice Dentistry1679597504

Verify Philip Leung 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 036-084773    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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2.4 times the Medicare Part D claims of the average sleep medicine (internal medicine) physician in 2024

1,420 Medicare Part D claims for 247 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Philip Leung1,420
  2. Specialty average585

Most prescribed

  1. Montelukast Sodium337 claims
  2. Albuterol Sulfate Hfa168 claims
  3. Trelegy Ellipta164 claims
  4. Gabapentin81 claims
  5. Pramipexole Dihydrochloride66 claims
  6. Prednisone56 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: $1,202.02

49 payments; by number, the most common kind was food and beverage; the largest payer was Avadel Cns Pharmaceuticals, LLC. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Philip Leung$1,202.02
  2. Specialty average$3,724.37

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. Midwest Respiratory, Ltd.Joliet, IL

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

Philip Leung among 43 sleep medicine (internal medicine) physician records in Illinois

Philip Leung, M.D. is one of 43 sleep medicine (internal medicine) physician records with a practice address in Illinois. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1993 · median 2012 among the 30 with a school on file
  • Record last updated2011 · 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 207RS0012X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Illinois

There are 43 sleep medicine (internal medicine) physician records in Illinois.

All 43 in Illinois → Every provider in Joliet → Sleep Medicine (Internal Medicine) Physician nationwide →

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Syed Sayeeduddin, M.D.Joliet, IL 604351467717561
  2. Jonathan Warren, MDJoliet, IL 604351871519124
  3. Robert Aronson, M.D.Olympia Fields, IL 604611598824039
  4. Richard CzumaPalos Heights, IL 604631295232064
  5. Helen Martin, M.M.Orland Park, IL 604671750338216
  6. Wojciech Ornowski, MDSouth Holland, IL 604731801887369
  7. Alan Li, MDDowners Grove, IL 605151902474604
  8. Izayadeth Jennings, M.D.Lisle, IL 605321205285996

Common questions

What is Philip Leung, M.D.'s NPI number?

Philip Leung, M.D.'s National Provider Identifier (NPI) is 1881686715, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Philip Leung, M.D. located?

The NPPES record lists a practice address at 903 129TH Infantry Dr, Joliet, IL, 60435. Phone: (815) 725-2653. Providers update this record themselves, so call before visiting.

How can I verify Philip Leung, M.D.'s license?

NPPES lists Illinois license number 036-084773, 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 Philip Leung, M.D. prescribe under Medicare Part D?

In 2024, Philip Leung, M.D. had 1,420 Medicare Part D claims for 247 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.