M Diab, MD
NPI 1255338588 · Hematology & Oncology Physician · Rock Island, IL
M Diab, MD is a Hematology & Oncology Physician provider in Rock Island, IL (NPI 1255338588).
Provider details
- NPI number
- 1255338588
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 3651347 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-01
- Last updated
- 2025-09-11
Frequently asked questions
- What is M Diab's NPI number?
- M Diab's National Provider Identifier (NPI) is 1255338588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is M Diab's specialty?
- M Diab is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is M Diab located?
- M Diab's practice location on file with NPPES is 2560 24th St, Rock Island, IL 61201-5357.
- What is M Diab's phone number?
- The practice phone number listed in the NPPES registry for M Diab is (309) 779-7491.
- Is M Diab's NPI active?
- Yes — M Diab's NPI (1255338588) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.