Health Diagnostics of California a Professional Corporation
NPI 1104321959 · Diagnostic Radiology Physician · Mountain View, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Health Diagnostics of California a Professional Corporation is a Diagnostic Radiology Physician organization in Mountain View, CA (NPI 1104321959).
Provider details
- NPI number
- 1104321959
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Howard Simon, Ceo(480) 478-6545
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Other names (DBA / former)
- Doing business as
- Simonmed Imaging
Registry dates
- Enumerated
- 2018-03-26
- Last updated
- 2024-05-01
- Certified
- 2024-05-01
Frequently asked questions
- What is Health Diagnostics of California a Professional Corporation's NPI number?
- Health Diagnostics of California a Professional Corporation's National Provider Identifier (NPI) is 1104321959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Health Diagnostics of California a Professional Corporation?
- Health Diagnostics of California a Professional Corporation is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Health Diagnostics of California a Professional Corporation located?
- Health Diagnostics of California a Professional Corporation's practice location on file with NPPES is 105 South Dr Ste 110, Mountain View, CA 94040-4317.
- What is Health Diagnostics of California a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Health Diagnostics of California a Professional Corporation is (650) 259-3165.
- Does Health Diagnostics of California a Professional Corporation accept Medicare?
- Health Diagnostics of California a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Health Diagnostics of California a Professional Corporation?
- The authorized official listed on Health Diagnostics of California a Professional Corporation's NPPES record is Howard Simon, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Health Diagnostics of California a Professional Corporation's NPI active?
- Yes — Health Diagnostics of California a Professional Corporation's NPI (1104321959) is active in the NPPES registry as of the last update on 2024-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.