M Hassan Diab, MD
Hematology & Oncology Physician · Rock Island, IL
M Hassan Diab, MD is a hematology & oncology physician with a practice address in Rock Island, Illinois, and NPI 1255338588, issued on Jul 1, 2005. Check the license (Illinois 3651347, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- M Hassan Diab
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 3651347 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2560 24TH St, Rock Island, IL 61201
- Phone
- (309) 779-7491
- Enumerated
- Jul 1, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (309) 779-3093
- Entity
- Type 1 · individual
Also registered at 2560 24TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lakshmi Alapati, MDEndocrinology, Diabetes & Metabolism Physician1396719969
- Patrick Cunningham, MDFamily Medicine Physician1548265556
- Lynnda Garrett, APMHNPPsychiatric/Mental Health Nurse Practitioner1548655798
- Janice Levsen, FNPFamily Nurse Practitioner1609920636
- Steven Ray, MDInternal Medicine Physician1780680736
- Tavia Vital, RN, CDEDiabetes Educator Registered Nurse1508145756
Verify M Hassan Diab 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 3651347Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other hematology & oncology physician records in Illinois
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- Sabree Abedrabo, MDPark Ridge, IL1790344471
- Ivy AbrahamChicago, IL1497172845
- Majed Abuhajir, MDRockford, IL1700837218
- Kehinde Adekola, MDChicago, IL1306026117
- Solomon Adler, M.D.Chicago, IL1043499866
- Edem Agamah, MDSpringfield, IL1932147279
- Vasia Ahmed, M.D.Tinley Park, IL1992797047
- Amer Al Homssi, M.D.Chicago Ridge, IL1215483391
Common questions
What is M Hassan Diab, MD's NPI number?
M Hassan Diab, MD's National Provider Identifier (NPI) is 1255338588, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is M Hassan Diab, MD located?
The NPPES record lists a practice address at 2560 24TH St, Rock Island, IL, 61201. Phone: (309) 779-7491. Providers update this record themselves, so call before visiting.
How can I verify M Hassan Diab, MD's license?
NPPES lists Illinois license number 3651347, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.