Joseph Walter, MD
NPI 1477629756 · Diagnostic Radiology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Walter, MD is a Diagnostic Radiology Physician provider in Palo Alto, CA (NPI 1477629756).
Provider details
- NPI number
- 1477629756
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G17607 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
10,205 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| X-Ray of Chest, 2 Views71046 | 2,122 | $43 |
| X-Ray of Knee, 3 Views73562 | 843 | $55 |
| X-Ray of Foot, Minimum of 3 Views73630 | 828 | $45 |
| X-Ray of Knee, 4 Or More Views73564 | 645 | $63 |
| X-Ray of Hip, 1 View73501 | 603 | $43 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 555 | $46 |
| X-Ray of Hand, Minimum of 3 Views73130 | 517 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2020-03-03
- Certified
- 2020-03-03
Frequently asked questions
- What is Joseph Walter's NPI number?
- Joseph Walter's National Provider Identifier (NPI) is 1477629756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Walter's specialty?
- Joseph Walter is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Walter located?
- Joseph Walter's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Joseph Walter's phone number?
- The practice phone number listed in the NPPES registry for Joseph Walter is (650) 853-2955.
- Does Joseph Walter accept Medicare?
- Joseph Walter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Walter's NPI active?
- Yes — Joseph Walter's NPI (1477629756) is active in the NPPES registry as of the last update on 2020-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.