Quick answers
- Does Walter Wojcicki accept Medicare assignment?
- Yes. Medicare's clinician data says Walter Wojcicki 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 Walter Wojcicki see?
- In 2024, CMS data shows 1,254 Original Medicare patients and 2,150 services for Walter Wojcicki. This counts Original Medicare only and measures volume, not quality.
- What is Walter Wojcicki's NPI number?
- 1639113509. 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 Walter Wojcicki, 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 | 1,254 |
|---|---|
| Services billed to Medicare | 2,150 |
| Different services or procedures | 118 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- X-ray of chest, 1 view (71045)443 services
- Screening mammography (77067)237 services
- Screening 3d breast mammography (77063)192 services
- X-ray of chest, 2 views (71046)84 services
- Ct scan head or brain without contrast (70450)79 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%
- Arthritis57%
- Chronic kidney disease42%
- Ischemic heart disease40%
- Anxiety38%
Hospitals where Walter Wojcicki works
Medicare's Facility Affiliation Data lists Walter Wojcicki 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.
- Greeneville Community HospitalGreeneville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440050
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440063
- Johnston Memorial HospitalAbingdon, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490053
- Wellmont Bristol Regional Medical CenterBristol, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440012
- Wellmont Holston Valley Medical CenterKingsport, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440017
Practice locations
Addresses where Walter Wojcicki is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Medical Park BlvdBristol, TN 37620 (423) 844‑2200
- 105 Fairlea CtLynchburg, VA 24503 (423) 968‑1144
- 130 W Ravine RdKingsport, TN 37660 (423) 244‑6800
Group practices
Medicare enrollment lists Walter Wojcicki as a member of this group (CMS data updated October 2, 2026).
- Blue Ridge Radiology PC76 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Bristol
Clinicians with the same Medicare primary specialty in Bristol, TN — not a recommendation.
Other clinicians in Blue Ridge Radiology PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639113509 |
| 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