Volney F. Van Dalsem Iii, MD

Medicare activity in 2024

Official CMS public-use data for Volney F. Van Dalsem Iii, 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. Ct scan of abdomen and pelvis with contrast (74177)575 services
2. Ct scan of chest with contrast (71260)310 services
3. X-ray of abdomen, 1 view (74018)301 services
4. X-ray of chest, 1 view (71045)88 services
5. Ct scan of chest without contrast (71250)84 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%
• Arthritis40%
• Ischemic heart disease38%
• Chronic kidney disease37%
• Diabetes36%

Hospitals where Volney F. Van Dalsem Iii works

Medicare's Facility Affiliation Data lists Volney F. Van Dalsem Iii 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.

• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Volney F. Van Dalsem Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 170 Alameda De Las PulgasRedwood City, CA 94062 (650) 369‑5811
• 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
• 420 Broadway StRedwood City, CA 94063 (650) 723‑4000
• 450 Broadway StRedwood City, CA 94063 (650) 723‑4000
• 5800 Hollis StEmeryville, CA 94608 (510) 806‑2100

Group practices

Medicare enrollment lists Volney F. Van Dalsem Iii as a member of this group (CMS data updated October 2, 2026).

• Stanford Health Care3,122 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Redwood City

Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.

• Anisha Banda, MD
• Daniel P. Hsu, MD
• Ramin M. Naeini, MD
• Marc H. Willis, DO
• Ann N. Leung, MD
• Anil K. Hari, MD
• Kyung M. Ro, MD
• Gennady Shiferman, MD

All radiologists in Redwood City →

Other clinicians in Stanford Health Care

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

• Brandon A. Guenthart, MD
• Brittany E. Matheson
• Natalie G. Szykowny, CP
• Renatta A. Lolong, NP
• Lukas D. Landegger, MD
• Julie Chen, MD

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