Mark Hazem Sahlol
Internal Medicine Physician · Dyer, IN
Mark Hazem Sahlol is an internal medicine physician with a practice address in Dyer, Indiana, and NPI 1184930604, issued on Aug 21, 2010. Check the license (Indiana 01075458A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Mark Hazem Sahlol
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01075458A IN
036124446 IL
MD152202 OR
Self-reported in NPPES; status is on the state search - Practice location
- 24 Joliet St, Dyer, IN 46311
- Phone
- (219) 852-1524
- Enumerated
- Aug 21, 2010
- Record last updated
- Mar 18, 2026
- Fax
- (219) 933-2288
- Medicaid ID
- 201292580 IN
- Medicare enrollment
- Enrolled (PECOS I20150616002660); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 24 Joliet St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathan Aardsma, D.O.Anatomic Pathology & Clinical Pathology Physician1649579939
- Ahmad Alsibai, M.D.Hospitalist Physician1265741235
- Amanda Arredondo, DNPCertified Registered Nurse Anesthetist1992484984
- Patricia Bailey-JohnsonClinical Social Worker1346647583
- George Bechir, M.D.Hospitalist Physician1649685306
- Umar Bhatti, DOHospitalist Physician1558802751
Verify Mark Hazem Sahlol in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01075458ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
311 Medicare Part D claims for 146 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Pantoprazole Sodium22 claims
- Carvedilol16 claims
- Hydrocodone-Acetaminophen15 claims
- Amlodipine Besylate13 claims
- Metoprolol Succinate13 claims
- Losartan Potassium12 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: $138.19
8 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Franciscan Physician NetworkHammond, IN
- HS Medical Care, Inc.Crown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Hazem Sahlol among 2,109 internal medicine physician records in Indiana
Mark Hazem Sahlol is one of 2,109 internal medicine physician records with a practice address in Indiana. 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 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2006 · median 2005 among the 1,448 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Dyer
They are 8 of the 457 NPPES records with a practice address in Dyer, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Dyer → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cheryl Anthony Worix, MDDyer, IN 463111528028693
- Kidanu Birhanu, M.D.Dyer, IN 463111710073952
- Nancy Gamarra Flores, M.D.Dyer, IN 463111710094685
- Huma Mulk, M.D.Dyer, IN 463111497884027
- Ritesh Panwar, MDDyer, IN 463111588826531
- Daina Roberson, M.D.Dyer, IN 463111336313089
- Lance Wallace, M.D.Dyer, IN 463111538100128
- Alfonso Blum, M.East Chicago, IN 463121790810448
Common questions
What is Mark Hazem Sahlol's NPI number?
Mark Hazem Sahlol's National Provider Identifier (NPI) is 1184930604, issued on Aug 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Hazem Sahlol located?
The NPPES record lists a practice address at 24 Joliet St, Dyer, IN, 46311. Phone: (219) 852-1524. Providers update this record themselves, so call before visiting.
How can I verify Mark Hazem Sahlol's license?
NPPES lists Indiana license number 01075458A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Hazem Sahlol prescribe under Medicare Part D?
In 2024, Mark Hazem Sahlol had 311 Medicare Part D claims for 146 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.