Quick answers
- Does Stephen W. Unger accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen W. Unger 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 Stephen W. Unger see?
- In 2024, CMS data shows 150 Original Medicare patients and 411 services for Stephen W. Unger. This counts Original Medicare only and measures volume, not quality.
- What is Stephen W. Unger's NPI number?
- 1811906886. 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 Stephen W. Unger, 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 | 150 |
|---|---|
| Services billed to Medicare | 411 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)188 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)35 services
- Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist (36902)20 services
- Revision of hemodialysis graft (36832)19 services
- Review by radiologist of 1 arm or leg vein of 1 arm or leg image (75820)14 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%
- Chronic kidney disease74%
- Diabetes55%
- Arthritis51%
- Ischemic heart disease51%
Practice locations
Addresses where Stephen W. Unger is enrolled with Medicare (CMS data updated October 2, 2026).
- 4302 Alton Rd, Suite 720Miami Beach, FL 33140 (305) 532‑4835
Group practices
Medicare enrollment lists Stephen W. Unger as a member of this group (CMS data updated October 2, 2026).
- Physician Practices of MSMC LLC181 clinicians in the group
Specialties
- General Surgeryprimary
- Vascular Surgeryalso
Other general surgeons in Miami Beach
Clinicians with the same Medicare primary specialty in Miami Beach, FL — not a recommendation.
Other clinicians in Physician Practices of MSMC LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 1975 (51 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811906886 |
| 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
- 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