Robert West, MD, PHD
NPI 1639271471 · Anatomic Pathology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert West, MD, PHD is a Anatomic Pathology Physician provider in Palo Alto, CA (NPI 1639271471).
Provider details
- NPI number
- 1639271471
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A74675 (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
19 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
1,242 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) |
|---|---|---|
| Microscopic Genetic Analysis of Tumor, Manual88360 | 345 | $46 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 293 | $92 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 160 | $42 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 121 | $39 |
| Microscopic Genetic Analysis of Tissue, Manual, Each Additional Multiplex Stain Procedure88377 | 118 | $70 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 111 | $31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Robert West's NPI number?
- Robert West's National Provider Identifier (NPI) is 1639271471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert West's specialty?
- Robert West is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert West located?
- Robert West's practice location on file with NPPES is 300 Pasteur Dr, Palo Alto, CA 94304-2203.
- What is Robert West's phone number?
- The practice phone number listed in the NPPES registry for Robert West is (650) 723-4000.
- Does Robert West accept Medicare?
- Robert West is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert West's NPI active?
- Yes — Robert West's NPI (1639271471) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.