Muthanna L. Louis, M.D
Internal Medicine Physician · Southfield, MI
Muthanna L. Louis, M.D is an internal medicine physician with a practice address in Southfield, Michigan, and NPI 1538359872, issued on Aug 1, 2007. Check the license (Michigan 4301090045, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Muthanna L. Louis
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301090045 MI
Self-reported in NPPES; status is on the state search - Practice location
- 22250 Providence Dr Ste 301A&B, Southfield, MI 48075
- Phone
- (248) 849-3281
- Enumerated
- Aug 1, 2007
- Record last updated
- Oct 10, 2024
- Fax
- (248) 849-5449
- Medicare enrollment
- Enrolled (PECOS I20110318000458); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 22250 Providence Dr Ste 301A&B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayat Ghosn, M.DInternal Medicine Physician1134783251
- Avery Mendelson, M.D.Internal Medicine Physician1811486251
- Nabeel Shabo, MDInternal Medicine Physician1619177011
Verify Muthanna L. Louis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301090045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average internal medicine physician in 2024
677 Medicare Part D claims for 231 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Omeprazole32 claims
- Hydrocodone-Acetaminophen31 claims
- Furosemide25 claims
- Pantoprazole Sodium23 claims
- Ciprofloxacin Hcl21 claims
- Eliquis20 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): 80.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Academic Internal Medicine Specialists PLLCSouthfield, MI
- Henry Ford Health Providence HospitalSouthfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
200 internal medicine physician records list a practice address in Southfield
They are 200 of the 5,689 NPPES records with a practice address in Southfield, and 5,735 internal medicine physician records in Michigan.
All 200 in Southfield → All 5,735 in Michigan → Every provider in Southfield →
Other internal medicine physician records in Michigan
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- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is Muthanna L. Louis, M.D's NPI number?
Muthanna L. Louis, M.D's National Provider Identifier (NPI) is 1538359872, issued on Aug 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Muthanna L. Louis, M.D located?
The NPPES record lists a practice address at 22250 Providence Dr Ste 301A&B, Southfield, MI, 48075. Phone: (248) 849-3281. Providers update this record themselves, so call before visiting.
How can I verify Muthanna L. Louis, M.D's license?
NPPES lists Michigan license number 4301090045, 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 Muthanna L. Louis, M.D prescribe under Medicare Part D?
In 2024, Muthanna L. Louis, M.D had 677 Medicare Part D claims for 231 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Muthanna L. Louis, M.D's MIPS final score?
The 2023 MIPS final score is 80.6 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.