NPPES file of Aug 9, 2026

Carl M. Karoub, MD

Internal Medicine Physician · Royal Oak, MI

Carl M. Karoub, MD is an internal medicine physician with a practice address in Royal Oak, Michigan, and NPI 1063494706, issued on Nov 17, 2005. Check the license (Michigan 4301042923, 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
1063494706
Name
Carl M. Karoub
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301042923 MI
Self-reported in NPPES; status is on the state search
Practice location
4045 W 13 Mile RD, Royal Oak, MI 48073
Phone
(248) 288-2160
Enumerated
Nov 17, 2005
Record last updated
Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(248) 288-0783
Medicare enrollment
Enrolled (PECOS I20080723000158); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1979
Telehealth
Offers telehealth (CMS)
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 4045 W 13 Mile RD

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

  1. Mina AssoPharmacist1932974003
  2. Frederick Karoub, MDInternal Medicine Physician1679554562
  3. Yahya Mossa-Basha, M.D.Diagnostic Radiology Physician1386790004

Verify Carl M. Karoub 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 4301042923
    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

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84% more Medicare Part D claims than the average internal medicine physician in 2024

5,828 Medicare Part D claims for 377 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 323 claims were for opioids.

  1. Carl Karoub5,828
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium373 claims
  2. Levothyroxine Sodium284 claims
  3. Alprazolam249 claims
  4. Hydrocodone-Acetaminophen198 claims
  5. Eliquis181 claims
  6. Amlodipine Besylate170 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 MIPS final score for 2023 (Medicare payment program): 25.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score20.0
  2. Costout of 100 · 30%43.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $39.38

2 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carl Karoub$39.38
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

218 internal medicine physician records list a practice address in Royal Oak

They are 218 of the 3,887 NPPES records with a practice address in Royal Oak, 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 Carl M. Karoub, MD's NPI number?

Carl M. Karoub, MD's National Provider Identifier (NPI) is 1063494706, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Carl M. Karoub, MD located?

The NPPES record lists a practice address at 4045 W 13 Mile RD, Royal Oak, MI, 48073. Phone: (248) 288-2160. Providers update this record themselves, so call before visiting.

How can I verify Carl M. Karoub, MD's license?

NPPES lists Michigan license number 4301042923, 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 Carl M. Karoub, MD prescribe under Medicare Part D?

In 2024, Carl M. Karoub, MD had 5,828 Medicare Part D claims for 377 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Carl M. Karoub, MD's MIPS final score?

The 2023 MIPS final score is 25.4 of 100. 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.