Mark Diamond, MD
NPI 1609825421 · Diagnostic Radiology Physician · Redondo Beach, CA
Mark Diamond, MD is a Diagnostic Radiology Physician provider in Redondo Beach, CA (NPI 1609825421).
Provider details
- NPI number
- 1609825421
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G67025 (CA)
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
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
- 2006-05-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Diamond's NPI number?
- Mark Diamond's National Provider Identifier (NPI) is 1609825421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Diamond's specialty?
- Mark Diamond is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Diamond located?
- Mark Diamond's practice location on file with NPPES is 502 Torrance Blvd, Redondo Beach, CA 90277-3413.
- What is Mark Diamond's phone number?
- The practice phone number listed in the NPPES registry for Mark Diamond is (310) 316-0811.
- Is Mark Diamond's NPI active?
- Yes — Mark Diamond's NPI (1609825421) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.