Mark F. Kozloff, MD
Hematology & Oncology Physician · Harvey, IL
Mark F. Kozloff, MD is a hematology & oncology physician with a practice address in Harvey, Illinois, and NPI 1134166879, issued on Jun 1, 2006. Check the license (Illinois IL036047581, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark F. Kozloff
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- IL036047581 IL
01038049A IN
Self-reported in NPPES; status is on the state search - Practice location
- 71 W 156TH St, Harvey, IL 60426
- Phone
- (708) 339-4800
- Enumerated
- Jun 1, 2006
- Record last updated
- Sep 25, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (708) 339-3760
- Medicaid IDs
- 036047581 IL
200016510F IN - Medicare enrollment
- Enrolled (PECOS I20041112000193); may accept Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1972
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 71 W 156TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francis Almeda, MDCardiovascular Disease Physician1700864550
- Pramod Anand, MDInternal Medicine Physician1942294251
- Charles Beck, MDSpecialist1871505503
- Lilyan Bland, RPHPharmacist1548472632
- Donne Bennett Caces, M.D., PH.D.Hematology & Oncology Physician1417274184
- Angel Castaner, MDInterventional Cardiology Physician1033195771
Verify Mark F. Kozloff 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 IL036047581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
287 Medicare Part D claims for 78 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Prednisone24 claims
- Anastrozole19 claims
- Eliquis18 claims
- Acyclovir13 claims
- Imatinib Mesylate11 claims
- Ondansetron Hcl11 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: $4,394.98
175 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Mark F. Kozloff among 666 hematology & oncology physician records in Illinois
Mark F. Kozloff, MD is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 57% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1972 · median 2003 among the 461 with a school on file
- Record last updated2018 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 hematology & oncology physician records list a practice address in Harvey
They are 4 of the 297 NPPES records with a practice address in Harvey, and 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Harvey → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Donne Bennett Caces, M.D., PH.D.Harvey, IL 604261417274184
- Murali Krishna Kodali, M.D.Harvey, IL 604261942260468
- Nazila Shafagati, MDHarvey, IL 604261700444882
- Joehar Hamdan, DOFrankfort, IL 604231508062159
- Lekha Babu, MDFlossmoor, IL 604221740384023
- Kimberly Kruczek, D.OFlossmoor, IL 604221346569563
- Patrick McGinnis, MDFlossmoor, IL 604221174678684
- Yunus Nomanbhoy, M.D.Homewood, IL 604301336141860
Common questions
What is Mark F. Kozloff, MD's NPI number?
Mark F. Kozloff, MD's National Provider Identifier (NPI) is 1134166879, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark F. Kozloff, MD located?
The NPPES record lists a practice address at 71 W 156TH St, Harvey, IL, 60426. Phone: (708) 339-4800. Providers update this record themselves, so call before visiting.
How can I verify Mark F. Kozloff, MD's license?
NPPES lists Illinois license number IL036047581, 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 Mark F. Kozloff, MD prescribe under Medicare Part D?
In 2024, Mark F. Kozloff, MD had 287 Medicare Part D claims for 78 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.