Mark Chambers, MD
NPI 1215135231 · Diagnostic Radiology Physician · Long Beach, CA
Mark Chambers, MD is a Diagnostic Radiology Physician provider in Long Beach, CA (NPI 1215135231).
Provider details
- NPI number
- 1215135231
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A87217 (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
18 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
- 2007-07-11
- Last updated
- 2012-02-22
Frequently asked questions
- What is Mark Chambers's NPI number?
- Mark Chambers's National Provider Identifier (NPI) is 1215135231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chambers's specialty?
- Mark Chambers is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chambers located?
- Mark Chambers's practice location on file with NPPES is 5901 E 7th St, Long Beach, CA 90822-5201.
- What is Mark Chambers's phone number?
- The practice phone number listed in the NPPES registry for Mark Chambers is (562) 826-8000.
- Is Mark Chambers's NPI active?
- Yes — Mark Chambers's NPI (1215135231) is active in the NPPES registry as of the last update on 2012-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.