NPPES file of Aug 9, 2026

Ismail Oladeji Malik, M.D.

Infectious Disease Physician · Herrin, IL

Ismail Oladeji Malik, M.D. is an infectious disease physician with a practice address in Herrin, Illinois, and NPI 1497318737, issued on Apr 22, 2019. Check the license (Illinois 036167860, 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
1497318737
Name
Ismail Oladeji Malik
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
036167860 IL
Self-reported in NPPES; status is on the state search
Practice location
3314 Patriot CT, Herrin, IL 62948
Phone
(618) 993-1591
Enumerated
Apr 22, 2019
Record last updated
Apr 29, 2026
Fax
(618) 351-5631
Medicare enrollment
Enrolled (PECOS I20240710001217); 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 3314 Patriot CT

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

  1. Sarah Altamimi, M.D.Infectious Disease Physician1467746529
  2. Linda BoboInfectious Disease Physician1306054770
  3. Lori Ellett, FNP-CFamily Nurse Practitioner1538406038
  4. Kara Ferrell, NPNurse Practitioner1982075396
  5. Alexander Lietz, MDInfectious Disease Physician1790244713
  6. Cora Musial, PHD,MDInfectious Disease Physician1609889450

Verify Ismail Oladeji Malik 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 036167860
    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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87% fewer Medicare Part D claims than the average infectious disease physician in 2024

89 Medicare Part D claims for 24 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Ismail Malik89
  2. Specialty average689

Most prescribed

  1. Biktarvy28 claims
  2. Fluconazole11 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: $199.81

9 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ismail Malik$199.81
  2. Specialty average$4,362.19

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. Southern Illinois Medical Services NfpHerrin, IL

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

6 infectious disease physician records list a practice address in Herrin

They are 6 of the 419 NPPES records with a practice address in Herrin, and 464 infectious disease physician records in Illinois.

Other infectious disease physician records in Illinois

  1. Homer Abiad, M.D.Oak Forest, IL1871596817
  2. Annette Abraham, MDChicago, IL1083195093
  3. Chad Achenbach, MDChicago, IL1548278674
  4. Mary Acree, M.D.Evanston, IL1336378348
  5. Tinuola Adeyanju, M.D.Chicago, IL1063413755
  6. Oluwadamilola Adeyemi, MDChicago, IL1376700955
  7. Emily Adochio-Clancy, MDChicago, IL1629606975
  8. Nozaina Aftab, MDLombard, IL1629158662
  9. Javier Aguilar Aragon, M.D.Burr Ridge, IL1336359058
  10. Nooruzsabha Ahmed, M.D.Elgin, IL1407886401

Common questions

What is Ismail Oladeji Malik, M.D.'s NPI number?

Ismail Oladeji Malik, M.D.'s National Provider Identifier (NPI) is 1497318737, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ismail Oladeji Malik, M.D. located?

The NPPES record lists a practice address at 3314 Patriot CT, Herrin, IL, 62948. Phone: (618) 993-1591. Providers update this record themselves, so call before visiting.

How can I verify Ismail Oladeji Malik, M.D.'s license?

NPPES lists Illinois license number 036167860, 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 Ismail Oladeji Malik, M.D. prescribe under Medicare Part D?

In 2024, Ismail Oladeji Malik, M.D. had 89 Medicare Part D claims for 24 beneficiaries; the average among infectious disease physician prescribers was 689. 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.