Robert Sostrin, M.D.
NPI 1124243647 · Diagnostic Radiology Physician · Torrance, CA
Robert Sostrin, M.D. is a Diagnostic Radiology Physician provider in Torrance, CA (NPI 1124243647).
Provider details
- NPI number
- 1124243647
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G23323 (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
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
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2007-09-18
Frequently asked questions
- What is Robert Sostrin's NPI number?
- Robert Sostrin's National Provider Identifier (NPI) is 1124243647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sostrin's specialty?
- Robert Sostrin is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sostrin located?
- Robert Sostrin's practice location on file with NPPES is 23441 Madison St Ste 100, Torrance, CA 90505-4734.
- What is Robert Sostrin's phone number?
- The practice phone number listed in the NPPES registry for Robert Sostrin is (310) 373-0000.
- Is Robert Sostrin's NPI active?
- Yes — Robert Sostrin's NPI (1124243647) is active in the NPPES registry as of the last update on 2007-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.