Quick answers
- Does Muthanna L. Louis accept Medicare assignment?
- Yes. Medicare's clinician data says Muthanna L. Louis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Muthanna L. Louis see?
- In 2024, CMS data shows 302 Original Medicare patients and 1,566 services for Muthanna L. Louis. This counts Original Medicare only and measures volume, not quality.
- What is Muthanna L. Louis's NPI number?
- 1538359872. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Muthanna L. Louis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 302 |
|---|---|
| Services billed to Medicare | 1,566 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)759 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)393 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)212 services
- Hospital discharge day management, more than 30 minutes (99239)170 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)19 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease59%
- Heart failure53%
- Ischemic heart disease52%
Hospitals where Muthanna L. Louis works
Medicare's Facility Affiliation Data lists Muthanna L. Louis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230019
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230053
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230165
- Surgeons Choice Medical CenterSouthfield, MI · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 230301
Practice locations
Addresses where Muthanna L. Louis is enrolled with Medicare (CMS data updated October 2, 2026).
- 16001 W 9 Mile RdSouthfield, MI 48075 (248) 849‑3151
- 22250 Providence Dr, Suite 301aSouthfield, MI 48075 (248) 849‑3281
- 26677 W 12 Mile RdSouthfield, MI 48034 (248) 354‑4709
Group practices
Medicare enrollment lists Muthanna L. Louis as a member of these groups (CMS data updated October 2, 2026).
- Henry Ford Health Providence Hospital375 clinicians in the group
- Academic Internal Medicine Specialists PLLC19 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Southfield
Clinicians with the same Medicare primary specialty in Southfield, MI — not a recommendation.
Other clinicians in Henry Ford Health Providence Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538359872 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians