Quick answers
- Does Samuel T. Dona Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Samuel T. Dona Jr. 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 Samuel T. Dona Jr. see?
- In 2024, CMS data shows 178 Original Medicare patients and 756 services for Samuel T. Dona Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Samuel T. Dona Jr.'s NPI number?
- 1982043857. 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 Samuel T. Dona 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.
| Original Medicare patients | 178 |
|---|---|
| Services billed to Medicare | 756 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)325 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)92 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)83 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)65 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)45 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).
- Arthritis75%
- High cholesterol73%
- High blood pressure70%
- Diabetes35%
- Depression28%
- Anxiety27%
Practice locations
Addresses where Samuel T. Dona Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 S Green StBaltimore, MD 21201 (410) 328‑6704
Group practices
Medicare enrollment lists Samuel T. Dona Jr. as a member of these groups (CMS data updated October 2, 2026).
- University of Maryland Orthopaedic Associates PA67 clinicians in the group
- University of Maryland Orthopaedic Trauma Associates, P.A.41 clinicians in the group
Specialties
- Sports Medicineprimary
Other sports medicine doctors in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in University of Maryland Orthopaedic Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982043857 |
| 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