Quick answers
- Does Richard A. Bagdonas accept Medicare assignment?
- Yes. Medicare's clinician data says Richard A. Bagdonas 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 Richard A. Bagdonas see?
- In 2024, CMS data shows 320 Original Medicare patients and 711 services for Richard A. Bagdonas. This counts Original Medicare only and measures volume, not quality.
- What is Richard A. Bagdonas's NPI number?
- 1790752764. 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 Richard A. Bagdonas, 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 | 320 |
|---|---|
| Services billed to Medicare | 711 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Critical care, first 30-74 minutes (99291)358 services
- Critical care, each additional 30 minutes (99292)108 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)79 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)43 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)37 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%
- Ischemic heart disease70%
- Arthritis64%
- Diabetes54%
Hospitals where Richard A. Bagdonas works
Medicare's Facility Affiliation Data lists Richard A. Bagdonas 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.
- Bon Secours Southside Medical CenterPetersburg, VA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 490067
- Bon Secours St Marys HospitalRichmond, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490059
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
Practice locations
Addresses where Richard A. Bagdonas is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Montauk HwyWest Islip, NY 11795 (631) 376‑4094
- 1000 N Village AveRockville Center, NY 11570
- 24 E Main StBay Shore, NY 11706 (631) 666‑6752
- 5801 Bremo RdRichmond, VA 23226 (804) 285‑2011
Group practices
Medicare enrollment lists Richard A. Bagdonas as a member of these groups (CMS data updated October 2, 2026).
- CHS Physician Partners PC743 clinicians in the group
- Sound Physicians Intensivists of Virginia LLC49 clinicians in the group
- Samaritan Emergency Medical Services PC18 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Other clinicians in CHS Physician Partners PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1983 (43 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) | 1790752764 |
| 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