Zaher Qassem, MD
Pulmonary Disease Physician · Rockford, IL
Zaher Qassem, MD is a pulmonary disease physician with a practice address in Rockford, Illinois, and NPI 1366551996, issued on Aug 29, 2006. Check the license (Illinois 036125221, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Zaher Qassem
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 036125221 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2350 N Rockton Ave, Rockford, IL 61103
- Phone
- (815) 971-2015
- Enumerated
- Aug 29, 2006
- Record last updated
- Jul 17, 2026
- Fax
- (815) 971-9581
- Medicaid IDs
- 036125221 IL
051523281 AL
1366551996 WI - Medicare enrollment
- Enrolled (PECOS I20101103000235); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 617 in Illinois → Look up another NPI →
Also registered at 2350 N Rockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdullah Altayeh, M.D.Pulmonary Disease Physician1831191584
- Melissa Bachman, APRNGerontology Nurse Practitioner1225709900
- Brenda Beilfuss, FNP-CFamily Nurse Practitioner1275185142
- Constance Blaisdell, NPFamily Nurse Practitioner1588135529
- William Buntain, MDPediatric Surgery Physician1700902608
- David Cheng, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1194781849
Verify Zaher Qassem 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 036125221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average pulmonary disease physician in 2024
5,518 Medicare Part D claims for 749 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Trelegy Ellipta1,142 claims
- Montelukast Sodium526 claims
- Albuterol Sulfate Hfa486 claims
- Anoro Ellipta385 claims
- Breo Ellipta349 claims
- Prednisone254 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: $3,143.21
32 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Freeport Memorial HospitalFreeport, IL
- Freeport Regional Health Care FoundationFreeport, IL
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zaher Qassem among 617 pulmonary disease physician records in Illinois
Zaher Qassem, MD is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1998 · median 2005 among the 444 with a school on file
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Illinois
There are 617 pulmonary disease physician records in Illinois.
All 617 in Illinois → Every provider in Rockford → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Abdullah Altayeh, M.D.Rockford, IL 611031831191584
- Bharati Roy, MDRockford, IL 611031366552556
- Suraj Bopanna, MD, MRCPRockford, IL 611041740433291
- Mark Jacob, M.D.Rockford, IL 611041063688497
- Tabassum Nafsi, MDRockford, IL 611041396931069
- Michael Puruckherr, MDRockford, IL 611041487684353
- Mohamed Zeater, MDRockford, IL 611041285690958
- Nadeem Hanif, M.D.Rockford, IL 611071972617181
Common questions
What is Zaher Qassem, MD's NPI number?
Zaher Qassem, MD's National Provider Identifier (NPI) is 1366551996, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Zaher Qassem, MD located?
The NPPES record lists a practice address at 2350 N Rockton Ave, Rockford, IL, 61103. Phone: (815) 971-2015. Providers update this record themselves, so call before visiting.
How can I verify Zaher Qassem, MD's license?
NPPES lists Illinois license number 036125221, 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 Zaher Qassem, MD prescribe under Medicare Part D?
In 2024, Zaher Qassem, MD had 5,518 Medicare Part D claims for 749 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.