Maaroof Islam, M.D.
Hospitalist Physician · O Fallon, IL
Maaroof Islam, M.D. is a hospitalist physician with a practice address in O Fallon, Illinois, and NPI 1548656747, issued on Apr 14, 2015. Check the license (Illinois 036146913, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maaroof Islam
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036146913 IL
2015017276 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Saint Elizabeth Blvd, O Fallon, IL 62269
- Phone
- (816) 234-2120
- Enumerated
- Apr 14, 2015
- Record last updated
- Jul 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180810002159); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 1 Saint Elizabeth Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caitlin AlonzoNurse Practitioner1083576243
- Justin Baecht, CRNACertified Registered Nurse Anesthetist1801034491
- Leah Baecht, DNP, CRNA, APRNCertified Registered Nurse Anesthetist1275831273
- Gregory Bray-Stanley, MDAnesthesiology Physician1902836679
- Gage Buness, DOFamily Medicine Physician1881449635
- Amanda BurgesenCertified Registered Nurse Anesthetist1568084903
Verify Maaroof Islam 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 036146913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average hospitalist physician in 2024
379 Medicare Part D claims for 163 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium37 claims
- Furosemide35 claims
- Cephalexin21 claims
- Losartan Potassium21 claims
- Hydrocodone-Acetaminophen16 claims
- Amlodipine Besylate15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America-Illinois Hospitalists, LLPGreenville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maaroof Islam among 1,535 hospitalist physician records in Illinois
Maaroof Islam, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 52% of them.
- NPI issued2015 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2014 · median 2013 among the 1,339 with a school on file
- Record last updated2018 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in O Fallon → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Vincent Duenas, MDO Fallon, IL 622691083142152
- Robinder Sahi, M.D.O Fallon, IL 622691386200657
- Stephanie Simpson, D.O.O Fallon, IL 622691598183378
- Isaac Tran, M.D.O Fallon, IL 622691154777597
- Nnenna Uzodi, MD, MPHBelleville, IL 622691386272169
- Seema VermaO Fallon, IL 622691326380908
- Adrian Bennett, DORed Bud, IL 622781477086239
- Crystal Carmicheal, M.D.Greenville, IL 622461619138682
Common questions
What is Maaroof Islam, M.D.'s NPI number?
Maaroof Islam, M.D.'s National Provider Identifier (NPI) is 1548656747, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Maaroof Islam, M.D. located?
The NPPES record lists a practice address at 1 Saint Elizabeth Blvd, O Fallon, IL, 62269. Phone: (816) 234-2120. Providers update this record themselves, so call before visiting.
How can I verify Maaroof Islam, M.D.'s license?
NPPES lists Illinois license number 036146913, 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 Maaroof Islam, M.D. prescribe under Medicare Part D?
In 2024, Maaroof Islam, M.D. had 379 Medicare Part D claims for 163 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Maaroof Islam, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.