Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. M Hassan Diab, MD

Individual provider Internal Medicine Physician · NPI 1255338588

Mr. M Hassan Diab, MD is an Internal Medicine Physician in Rock Island, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2560 24th St Ste 201
Rock Island, IL 61201-5357
Phone: (309) 779-7491
Fax: (309) 779-3093
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 3651347 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 3651347 (IL)

Record details

NPI number1255338588
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2005
Last updated in NPPESJuly 13, 2026

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