Maria Diab

  • Detroit, MI
  • Hematology (internal medicine) physician
NPI1003259045PAC ID3072884915
Medicare services, 2024
395
Medicare patients, 2024
109
Part D claims, 2024
732
Publications
19
Clinical trials
9
Practice address
2799 W Grand Blvd, Detroit, MI 48202
Practice phone
Call (313) 916-2600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Henry Ford Hospital

Hospital · Detroit, Michigan

See all 8 affiliations

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Maria Diab is a hematology (internal medicine) physician in Detroit, Michigan

Maria Diab practices at Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health.

Maria Diab's NPI, 1003259045, was assigned on April 9, 2013. Maria Diab holds Michigan license 4301103541.

NPI and contact details
Medicare PAC ID
3072884915
NPI enumeration date
April 9, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(313) 916-2600
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Maria Diab practices at Henry Ford Hospital in Detroit, Michigan

Maria Diab's primary practice is Henry Ford Hospital, at 2799 W Grand Blvd, Detroit, MI 48202 in Wayne County. The practice phone is (313) 916-2600.

  • Henry Ford Hospital
    2799 W Grand Blvd, Detroit, MI 48202 · Wayne CountyPhone(313) 916-2600

Source: Dmand AI Affiliation Data

Maria Diab is affiliated with 4 sites of care and 4 medical groups

Maria Diab's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health. Maria Diab is also affiliated with DMC Detroit Receiving Hospital. The medical group on file is Henry Ford Health. Dmand AI also links Maria Diab to 2 more hospitals and 3 medical groups, each named with a free account.

See all 8 affiliations for Maria Diab

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Maria Diab's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Maria Diab practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Henry Ford HospitalAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Maria Diab is one of 49 hematology (internal medicine) physicians in Michigan

Internal medicine is Maria Diab's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Maria Diab is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Maria Diab's licenses on file in 2 states: Michigan and Georgia.

Specialties and state licenses

  • Hematology (internal medicine), MichiganPrimaryLicense 4301103541 · taxonomy 207RH0000X
  • Hematology and oncology, GeorgiaLicense 85005 · taxonomy 207RH0003X

Hematology (internal medicine) physicians near Maria Diab

Counts of hematology (internal medicine) physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Maria Diab billed Medicare for 395 services in 2024

CMS data shows 395 Medicare services from Maria Diab across 5 procedure codes in 2024, for 109 Medicare patients. Medicare paid $26,334 for them.

Medicare services, 2024395
Medicare patients109
Paid by Medicare$26,334
Procedure codes5

Maria Diab's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 542024: 209287%
Other services
2023: 02024: 186

Where Maria Diab's Medicare services took place, 2024

  • In an office26066%
  • In a facility13534%

Maria Diab compared with the Michigan median for hematology (internal medicine) physicians, 2024

  • Maria Diab
  • Michigan median
Medicare services
395vs 29136% above
Medicare patients
109vs 106Close to median
Part D claims
513vs 2152.4 times

Medians across 50 hematology (internal medicine) physicians in Michigan with Dmand AI profiles that report each measure.

Maria Diab's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Maria Diab treated 109 Medicare patients in 2024, average age 73

CMS counts 109 Medicare patients who saw Maria Diab in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Maria Diab's median patient age at 69, with 62% women.

Medicare patients, 2024109
Average age73
Average risk score2.45
Also on Medicaid18%

Maria Diab's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Maria Diab's Medicare patients by sex, 2024

  • Women4844%
  • Men6156%

Chronic conditions among Maria Diab's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Arthritis46%
  4. Diabetes45%
  5. Cancer42%
  6. Ischemic heart disease39%
  7. Mood disorders39%
  8. Anxiety38%

Share of Medicare patients with each condition. A patient can have several.

Maria Diab's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women62%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Maria Diab wrote 732 Medicare Part D claims in 2024

In 2024, Maria Diab wrote 732 Medicare Part D claims for 143 patients. 91% of them were for generic drugs. CMS names the drug for 513 of them, across 13 drugs with 11 or more claims each, at $38,450 in total drug cost. In 2023, CMS named 335 claims across 12 drugs.

Part D claims, 2024732
Drugs named by CMS13
Total drug cost$38,450
Part D patients143

Maria Diab's Part D claims by kind of drug, 2024

  • Generic668 claims91%
  • Brand-name64 claims9%

Maria Diab's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Maria Diab's Part D claims, 2024

  • Opioids4%28 of 732 claims
  • Antibiotics3%25 of 732 claims
  • Antipsychotics, patients 65 and over11%77 of 732 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3352024: 51353%

Drugs named by CMS: 13 in 2024, 12 in 2023.

See all prescribing by Maria Diab

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Maria Diab offers telehealth to Medicare patients

Maria Diab accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Maria Diab as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Maria Diab has 19 publications on record

Dmand AI links 19 papers to Maria Diab, published from 2015 to 2025. 2025 was the busiest year, with 3. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Adenocarcinoma and Biomarkers, Tumor. Maria Diab has published most often in Cancer Metastasis Rev. Maria Diab's most frequent co-authors are Olatunji B. Alese, MD, Mehmet Akce, MD and Bassel Fouad El-Rayes, MD.

Papers19
Years published2015 to 2025

Maria Diab's papers by year, 2015 to 2025

Topics Maria Diab writes about most

  • Antineoplastic Combined Chemotherapy Protocols
  • Adenocarcinoma
  • Biomarkers, Tumor
  • Carcinoma, Pancreatic Ductal
  • Colorectal Neoplasms
  • Molecular Targeted Therapy
  • Pancreatic Neoplasms
  • Randomized Controlled Trials as Topic

Maria Diab's most frequent co-authors

Recent publications by Maria Diab

See all 19 publications and co-authors

See who Maria Diab researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Maria Diab works with, so you can find a warm path to the right hematology (internal medicine) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Maria Diab has worked on 9 clinical trials

Dmand AI links Maria Diab to 9 clinical trials, 3 of them phase 1 studies. 6 are still active or recruiting. Conditions studied include Colorectal Neoplasms, Rectal Diseases and Carcinoma, Renal Cell. Emory University sponsors the most, 2.

Clinical trials with Maria Diab by phase

  1. 3Phase 1: 3 trials
  2. 1Phase 1/2: 1 trial
  3. 3Phase 2: 3 trials
  4. 1Phase 2/3: 1 trial
  5. 1Phase 3: 1 trial
  6. NonePhase 4: no trials

Conditions in Maria Diab's trials

  • Colorectal Neoplasms
  • Rectal Diseases
  • Carcinoma, Renal Cell
  • Colonic Neoplasms
  • Pancreatic Neoplasms

Investigators on the most trials with Maria Diab

Recent clinical trials with Maria Diab

See all 9 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Maria Diab received $4,729 in industry payments from 2016 to 2025

CMS Open Payments shows 29 general payments to Maria Diab from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 49% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,889.

General payments to Maria Diab by program year, 2016 to 2025

General payments to Maria Diab by kind, 2016 to 2025

$4.7Kin total
  • Consulting fees$2,31549%
  • Food and beverage$1,89840%
  • Education$51611%

Companies that paid Maria Diab the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Maria Diab

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Maria Diab is board certified in hematology

  1. Board certified in hematologyAmerican Board of Internal Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Maria Diab's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Maria Diab

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Maria Diab's NPI number?

Maria Diab's NPI number is 1003259045. It was assigned on April 9, 2013, and it is active in the NPI Registry.

What does Maria Diab specialize in?

Maria Diab is a hematology (internal medicine) physician in Detroit, Michigan. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).

Where does Maria Diab practice?

Maria Diab practices at 2799 W Grand Blvd, Detroit, MI 48202. Maria Diab's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health. Dmand AI also links Maria Diab to 2 hospitals and 3 medical groups.

What is Maria Diab's office phone number?

The practice phone on file for Maria Diab is (313) 916-2600.

What is Maria Diab's medical license number?

Maria Diab holds Michigan license 4301103541, one of the licenses on file in 2 states.

Which states has Maria Diab been licensed in?

Dmand AI has state licenses on file for Maria Diab in Michigan and Georgia.

Which hospitals is Maria Diab affiliated with?

Maria Diab practices at Henry Ford Hospital in Detroit, Michigan. Maria Diab is also affiliated with DMC Detroit Receiving Hospital. Dmand AI links Maria Diab to 2 more hospitals.

What medical group is Maria Diab part of?

Maria Diab is linked to Henry Ford Health. Dmand AI links Maria Diab to 3 more medical groups.

Does Maria Diab accept Medicare?

Yes. CMS data shows Maria Diab billed Medicare for 395 services in 2024, and Maria Diab accepts Medicare assignment.

Does Maria Diab offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Maria Diab as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Maria Diab see?

CMS counts 109 Medicare patients who saw Maria Diab in 2024, with an average age of 73.

Is Maria Diab board certified?

Yes. Maria Diab is board certified in hematology by the American Board of Internal Medicine.

What services does Maria Diab bill to Medicare?

In 2024, Maria Diab's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).

What drugs does Maria Diab prescribe most?

In 2024 Medicare Part D data, Maria Diab's most prescribed drugs by claims were Ondansetron ODT, Prochlorperazine Maleate and Olanzapine.

Has Maria Diab received payments from drug or device companies?

CMS Open Payments shows $4,729 in general payments to Maria Diab from 17 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Maria Diab been practicing?

Maria Diab graduated from medical school in 2011, 15 years ago.

Does Maria Diab do research?

Dmand AI links 19 publications to Maria Diab, published from 2015 to 2025. Maria Diab has worked on 9 clinical trials.

Who does Maria Diab publish with?

Maria Diab's most frequent co-authors are Olatunji B. Alese, MD (4 shared papers), Mehmet Akce, MD (3 shared papers) and Bassel Fouad El-Rayes, MD (3 shared papers).

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