Lionel Van Der Westhuizen, MD

Medicare activity in 2024

Official CMS public-use data for Lionel Van Der Westhuizen, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)56 services
2. Biopsy of large bowel using a flexible endoscope (45380)32 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)29 services
4. Removal of external hemorrhoids by rubber banding (46221)20 services
5. Repair of groin hernia using an endoscope (49650)20 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%
• Arthritis48%
• Ischemic heart disease32%
• Diabetes27%
• Anxiety27%

Hospitals where Lionel Van Der Westhuizen works

Medicare's Facility Affiliation Data lists Lionel Van Der Westhuizen 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.

• Charles a Cannon Jr Memorial HospitalLinville, NC · Critical Access Hospital · Emergency services: listed by Medicare · CCN 341323
• Watauga Medical CenterBoone, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340051

Practice locations

Addresses where Lionel Van Der Westhuizen is enrolled with Medicare (CMS data updated October 2, 2026).

• 965 State Farm RdBoone, NC 28607 (828) 264‑2340

Group practices

Medicare enrollment lists Lionel Van Der Westhuizen as a member of this group (CMS data updated October 2, 2026).

• Appalachian Regional Medical Associates Inc146 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in North Carolina →

Other general surgeons in Boone

Clinicians with the same Medicare primary specialty in Boone, NC — not a recommendation.

• Thomas M. Haizlip Jr., MD
• Tiffany M. Davis-Garcia, MD
• Paul S. Dagher, MD
• Tim D. Edmisten, MD
• Anne-Corinne Beaver, MD

All general surgeons in Boone →

Other clinicians in Appalachian Regional Medical Associates Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Molly K. Haas, DO
• Karen F. Criminger, NP
• Valentino Piacentino Iii, MD
• Daniel P. Cirino, DO
• Andrew C. Gray
• Phuong Nguyen, DO

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians