Margaret Rosenberg
NPI 1326416991 · Occupational Therapist · Hawthorne, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Rosenberg is a Occupational Therapist provider in Hawthorne, CA (NPI 1326416991).
Provider details
- NPI number
- 1326416991
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 17861 Von Karman AveIrvine, CA 92614-6213Phone: (949) 222-2214
Registry dates
- Enumerated
- 2015-09-12
- Last updated
- 2018-08-29
Frequently asked questions
- What is Margaret Rosenberg's NPI number?
- Margaret Rosenberg's National Provider Identifier (NPI) is 1326416991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Rosenberg's specialty?
- Margaret Rosenberg is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Margaret Rosenberg located?
- Margaret Rosenberg's practice location on file with NPPES is 11840 S La Cienega Blvd, Hawthorne, CA 90250.
- What is Margaret Rosenberg's phone number?
- The practice phone number listed in the NPPES registry for Margaret Rosenberg is (424) 269-3400.
- Does Margaret Rosenberg accept Medicare?
- Margaret Rosenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Rosenberg's NPI active?
- Yes — Margaret Rosenberg's NPI (1326416991) is active in the NPPES registry as of the last update on 2018-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.