NPPES file of Aug 9, 2026

Chaker H. Diab, DO

Internal Medicine Physician · Warren, MI

Chaker H. Diab, DO is an internal medicine physician with a practice address in Warren, Michigan, and NPI 1477522381, issued on Mar 14, 2006. Check the license (Michigan CD012050, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477522381
Name
Chaker H. Diab
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
CD012050 MI
Self-reported in NPPES; status is on the state search
Practice location
29703 Hoover RD, Warren, MI 48093
Phone
(586) 558-4081
Enumerated
Mar 14, 2006
Record last updated
Apr 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(586) 558-4099
Medicaid ID
4434081 11 MI
Medicare enrollment
Enrolled (PECOS I20101203001262); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 29703 Hoover RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nadia Al'Naimi, MS, ATCAthletic Trainer1689633620
  2. Maria Figueiredo, PTPhysical Therapist1700072204
  3. Anna Fraymovich, M.D.Pediatric Adolescent Medicine Physician1649222043
  4. Carolann Kinner, DOInternal Medicine Physician1306815089
  5. Carol Lambert, R.N.Pediatric Registered Nurse1891041539
  6. Daniel Lomasney, PA-CPhysician Assistant1760813554

Verify Chaker H. Diab in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license CD012050
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.0 times the Medicare Part D claims of the average internal medicine physician in 2024

6,411 Medicare Part D claims for 307 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 212 claims were for opioids.

  1. Chaker Diab6,411
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium514 claims
  2. Losartan Potassium276 claims
  3. Amlodipine Besylate236 claims
  4. Levothyroxine Sodium189 claims
  5. Carvedilol169 claims
  6. Metformin Hcl169 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%71.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Henry Ford Physician PartnersWarren, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

90 internal medicine physician records list a practice address in Warren

They are 90 of the 2,799 NPPES records with a practice address in Warren, and 5,735 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Chaker H. Diab, DO's NPI number?

Chaker H. Diab, DO's National Provider Identifier (NPI) is 1477522381, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chaker H. Diab, DO located?

The NPPES record lists a practice address at 29703 Hoover RD, Warren, MI, 48093. Phone: (586) 558-4081. Providers update this record themselves, so call before visiting.

How can I verify Chaker H. Diab, DO's license?

NPPES lists Michigan license number CD012050, 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 Chaker H. Diab, DO prescribe under Medicare Part D?

In 2024, Chaker H. Diab, DO had 6,411 Medicare Part D claims for 307 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Chaker H. Diab, DO's MIPS final score?

The 2023 MIPS final score is 94.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.