David Cassidy, M.D.
NPI 1376591594 · Diagnostic Radiology Physician · Fountain Valley, CA
David Cassidy, M.D. is a Diagnostic Radiology Physician provider in Fountain Valley, CA (NPI 1376591594).
Provider details
- NPI number
- 1376591594
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C28354 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-04
- Last updated
- 2007-11-27
Frequently asked questions
- What is David Cassidy's NPI number?
- David Cassidy's National Provider Identifier (NPI) is 1376591594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Cassidy's specialty?
- David Cassidy is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is David Cassidy located?
- David Cassidy's practice location on file with NPPES is 18944 Mount Cimarron St, Fountain Valley, CA 92708-7313.
- What is David Cassidy's phone number?
- The practice phone number listed in the NPPES registry for David Cassidy is (714) 968-7706.
- Is David Cassidy's NPI active?
- Yes — David Cassidy's NPI (1376591594) is active in the NPPES registry as of the last update on 2007-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.