Quick answers
- Does Richard Blosser Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Richard Blosser 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 Richard Blosser Jr. see?
- In 2024, CMS data shows 440 Original Medicare patients and 806 services for Richard Blosser Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Richard Blosser Jr.'s NPI number?
- 1720048630. 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 Blosser 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 | 440 |
|---|---|
| Services billed to Medicare | 806 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)181 services
- Diagnostic exam of large bowel using a flexible endoscope (45378)111 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)107 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)101 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)83 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 pressure70%
- Arthritis52%
- Ischemic heart disease26%
- Diabetes24%
- Chronic kidney disease20%
Hospitals where Richard Blosser Jr. works
Medicare's Facility Affiliation Data lists Richard Blosser 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.
- Bon Secours St Marys HospitalRichmond, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490059
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
- Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
- Stonesprings Hospital CenterDulles, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490145
- Winchester Medical CenterWinchester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490005
Practice locations
Addresses where Richard Blosser Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 Alexander Bell Dr, Suite 151Reston, VA 20191 (703) 891‑2760
- 1840 Amherst StWinchester, VA 22601 (540) 536‑8700
- 1870 Amherst St, Suite 3dWinchester, VA 22601 (540) 536‑5840
- 24440 Stone Springs BlvdDulles, VA 20166 (703) 891‑2760
Group practices
Medicare enrollment lists Richard Blosser Jr. as a member of these groups (CMS data updated October 2, 2026).
- Winchester Medical Center317 clinicians in the group
- Advance Medical Gi PC2 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Reston
Clinicians with the same Medicare primary specialty in Reston, VA — not a recommendation.
Other clinicians in Winchester Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 1988 (38 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) | 1720048630 |
| 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