Health Diagnostics of California LLC
NPI 1659302503 · Radiology Clinic/Center · San Francisco, CA
Health Diagnostics of California LLC is a Radiology Clinic/Center organization in San Francisco, CA (NPI 1659302503).
Provider details
- NPI number
- 1659302503
- Entity type
- Organization
- Primary specialty
- Radiology Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Howard Simon, President(480) 264-2400
- License
- 313594 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
Other names (DBA / former)
- Former legal business name
- Bmc Diagnostics Inc
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2011-12-16
Frequently asked questions
- What is Health Diagnostics of California LLC's NPI number?
- Health Diagnostics of California LLC's National Provider Identifier (NPI) is 1659302503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Health Diagnostics of California LLC?
- Health Diagnostics of California LLC is classified in the NPPES registry as Radiology Clinic/Center (Ambulatory Health Care Facilities).
- Where is Health Diagnostics of California LLC located?
- Health Diagnostics of California LLC's practice location on file with NPPES is 50 Francisco St, San Francisco, CA 94133-2107.
- What is Health Diagnostics of California LLC's phone number?
- The practice phone number listed in the NPPES registry for Health Diagnostics of California LLC is (415) 433-3535.
- Who is the authorized official for Health Diagnostics of California LLC?
- The authorized official listed on Health Diagnostics of California LLC's NPPES record is Howard Simon, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Health Diagnostics of California LLC's NPI active?
- Yes — Health Diagnostics of California LLC's NPI (1659302503) is active in the NPPES registry as of the last update on 2011-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.