Stuart Mass, M.D.
NPI 1649289513 · Neuroradiology Physician · San Jose, CA
Stuart Mass, M.D. is a Neuroradiology Physician provider in San Jose, CA (NPI 1649289513).
Provider details
- NPI number
- 1649289513
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G24936 (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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2025-09-11
Frequently asked questions
- What is Stuart Mass's NPI number?
- Stuart Mass's National Provider Identifier (NPI) is 1649289513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stuart Mass's specialty?
- Stuart Mass is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stuart Mass located?
- Stuart Mass's practice location on file with NPPES is 2410 Samaritan Dr, San Jose, CA 95124-3909.
- What is Stuart Mass's phone number?
- The practice phone number listed in the NPPES registry for Stuart Mass is (408) 371-0728.
- Is Stuart Mass's NPI active?
- Yes — Stuart Mass's NPI (1649289513) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.