Leonard Ellison Jr., MD

Medicare activity in 2024

Official CMS public-use data for Leonard Ellison Jr., 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,455 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)276 services
3. Hospital discharge day management, 30 minutes or less (99238)135 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)129 services
5. Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)124 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 cholesterol73%
• Diabetes65%
• Arthritis57%
• Ischemic heart disease51%
• Chronic kidney disease50%

Hospitals where Leonard Ellison Jr. works

Medicare's Facility Affiliation Data lists Leonard Ellison Jr. 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.

• Detroit Receiving HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230273
• Harper University HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230104

Practice locations

Addresses where Leonard Ellison Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 17330 Northland Park CtSouthfield, MI 48075 (248) 552‑9500
• 306 S Washington Ave, Suite 600Royal Oak, MI 48067 (860) 335‑5064

Group practices

Medicare enrollment lists Leonard Ellison Jr. as a member of these groups (CMS data updated October 2, 2026).

• Sciometrix LLC65 clinicians in the group
• Leonard Ellison Jr MD PC2 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Southfield

Clinicians with the same Medicare primary specialty in Southfield, MI — not a recommendation.

• Angela Bully, MD
• Neesha R. Berry, MD
• Lauren A. Workman, DO
• Laina Feinstein, MD
• Michael T. Convertino, MD
• Rita A. Sharma, MD
• Camille E. Johnson, MD
• Nijuanna P. Irby-Johnson, MD

All internal medicine doctors in Southfield →

Other clinicians in Sciometrix LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Laina Feinstein, MD
• Neil D. Jaddou, MD
• Hassan Saghir, MD
• Herbert C. Smitherman Jr., MD
• Sumner Camisa, MD
• Audrey M. McDonald

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians