Alaa Diab, MD
Internal Medicine Physician · Detroit, MI
Alaa Diab, MD is an internal medicine physician with a practice address in Detroit, Michigan, and NPI 1588233522, issued on Jun 23, 2021. Check the license (Michigan 4301510876, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Alaa Diab
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301510876 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4201 Saint Antoine St, Detroit, MI 48201
- Phone
- (313) 745-3000
- Enumerated
- Jun 23, 2021
- Record last updated
- Jul 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20240608000072); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 4201 Saint Antoine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alaa Diab in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301510876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
229 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium17 claims
- Lisinopril16 claims
- Amlodipine Besylate12 claims
- Furosemide12 claims
- Losartan Potassium12 claims
- Pantoprazole Sodium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University Physician GroupDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alaa Diab among 5,735 internal medicine physician records in Michigan
Alaa Diab, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2006 among the 3,564 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
617 internal medicine physician records list a practice address in Detroit
They are 617 of the 19,832 NPPES records with a practice address in Detroit, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Detroit → Internal Medicine Physician nationwide →
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Common questions
What is Alaa Diab, MD's NPI number?
Alaa Diab, MD's National Provider Identifier (NPI) is 1588233522, issued on Jun 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alaa Diab, MD located?
The NPPES record lists a practice address at 4201 Saint Antoine St, Detroit, MI, 48201. Phone: (313) 745-3000. Providers update this record themselves, so call before visiting.
How can I verify Alaa Diab, MD's license?
NPPES lists Michigan license number 4301510876, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alaa Diab, MD prescribe under Medicare Part D?
In 2024, Alaa Diab, MD had 229 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.