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NPISignal

Individual Healthcare Provider

Maria Diab

NPI Record: ActiveInternal Medicine — Hematology
NPI1003259045
Detroit, Michigan

Provider's NPPES record last updated: December 22, 2022

Overview

Entity Type
Individual Healthcare Provider
NPI
1003259045
Primary Specialty
Internal Medicine — Hematology
Practice Location
Detroit, Michigan
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 17, 2026, 10:50 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Internal Medicine

    Hematology

    Allopathic & Osteopathic Physicians

    Primary

    An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

    Taxonomy code 207RH0000X
  • Internal Medicine

    Hematology & Oncology

    Allopathic & Osteopathic Physicians

    An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

    Taxonomy code 207RH0003X
  • Internal Medicine

    Medical Oncology

    Allopathic & Osteopathic Physicians

    An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

    Taxonomy code 207RX0202X
  • Student in an Organized Health Care Education/Training Program

    Student, Health Care

    An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

    Taxonomy code 390200000X

Provider-Reported License Information

Internal Medicine (Michigan)
4301103541
Internal Medicine (Georgia)
85005
Internal Medicine (Michigan)
4301103541
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

2799 W Grand Blvd

Detroit, Michigan 48202-2608

Phone: (800) 653-6568

Additional Practice Location

4201 Saint Antoine St

5c-uhc

Detroit, Michigan 48201-2153

Phone: (313) 745-7999

Record Information

Enumeration Date
April 9, 2013
Provider's NPPES Record Last Updated
December 22, 2022
Certification Date
December 22, 2022
NPISignal NPPES Dataset
August 2026

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