Volney Vandalsem, MD
NPI 1689614158 · Body Imaging Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Volney Vandalsem, MD is a Body Imaging Physician provider in Stanford, CA (NPI 1689614158).
Provider details
- NPI number
- 1689614158
- Entity type
- Individual
- Primary specialty
- Body Imaging PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G34259 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,150 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 414 | $97 |
| X-Ray of Abdomen, 1 View74018 | 273 | $10 |
| Ct Scan of Chest With Contrast71260 | 183 | $60 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 161 | $96 |
| Ct Scan of Chest With Contrast71260 | 127 | $59 |
| X-Ray of Chest, 1 View71045 | 88 | $9 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2024-04-05
- Certified
- 2024-04-05
Frequently asked questions
- What is Volney Vandalsem's NPI number?
- Volney Vandalsem's National Provider Identifier (NPI) is 1689614158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Volney Vandalsem's specialty?
- Volney Vandalsem is listed in the NPPES registry with a primary specialty of Body Imaging Physician (Allopathic & Osteopathic Physicians).
- Where is Volney Vandalsem located?
- Volney Vandalsem's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Volney Vandalsem's phone number?
- The practice phone number listed in the NPPES registry for Volney Vandalsem is (650) 723-4000.
- Does Volney Vandalsem accept Medicare?
- Volney Vandalsem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Volney Vandalsem's NPI active?
- Yes — Volney Vandalsem's NPI (1689614158) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.