Quick answers
- Does Leo Rozmaryn accept Medicare assignment?
- Yes. Medicare's clinician data says Leo Rozmaryn 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 Leo Rozmaryn see?
- In 2024, CMS data shows 264 Original Medicare patients and 2,034 services for Leo Rozmaryn. This counts Original Medicare only and measures volume, not quality.
- What is Leo Rozmaryn's NPI number?
- 1093896227. 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 Leo Rozmaryn, 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 | 264 |
|---|---|
| Services billed to Medicare | 2,034 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)640 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)213 services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)179 services
- X-ray of hand, minimum of 3 views (73130)157 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)142 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 cholesterol75%
- High blood pressure64%
- Arthritis63%
- Diabetes24%
- Ischemic heart disease21%
- Osteoporosis19%
Practice locations
Addresses where Leo Rozmaryn is enrolled with Medicare (CMS data updated October 2, 2026).
- 11890 Healing WaySilver Spring, MD 20904 (240) 637‑4000
- 12850 Middlebrook RdGermantown, MD 20874 (301) 972‑4752
- 3414 Olandwood CtOlney, MD 20832 (301) 774‑0500
Group practices
Medicare enrollment lists Leo Rozmaryn as a member of this group (CMS data updated October 2, 2026).
- Centers for Advanced Orthopaedics LLC604 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in Centers for Advanced Orthopaedics LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093896227 |
| 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