Marsha Guerrein, MD
NPI 1093790206 · Diagnostic Radiology Physician · Torrance, CA
Marsha Guerrein, MD is a Diagnostic Radiology Physician provider in Torrance, CA (NPI 1093790206).
Provider details
- NPI number
- 1093790206
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- A39687 (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
- 2005-12-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marsha Guerrein's NPI number?
- Marsha Guerrein's National Provider Identifier (NPI) is 1093790206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Guerrein's specialty?
- Marsha Guerrein is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marsha Guerrein located?
- Marsha Guerrein's practice location on file with NPPES is 410 Torrance Boulevard, Torrance, CA 90503.
- What is Marsha Guerrein's phone number?
- The practice phone number listed in the NPPES registry for Marsha Guerrein is (310) 540-7676.
- Is Marsha Guerrein's NPI active?
- Yes — Marsha Guerrein's NPI (1093790206) 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.