Allen Rosen, MD
NPI 1982756342 · Internal Medicine Physician · Harbor City, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allen Rosen, MD is a Internal Medicine Physician provider in Harbor City, CA (NPI 1982756342).
Provider details
- NPI number
- 1982756342
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G40790 (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
- 2007-01-17
- Last updated
- 2015-07-27
Frequently asked questions
- What is Allen Rosen's NPI number?
- Allen Rosen's National Provider Identifier (NPI) is 1982756342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allen Rosen's specialty?
- Allen Rosen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allen Rosen located?
- Allen Rosen's practice location on file with NPPES is 25825 Vermont Ave, Harbor City, CA 90710-3518.
- What is Allen Rosen's phone number?
- The practice phone number listed in the NPPES registry for Allen Rosen is (310) 325-5111.
- Does Allen Rosen accept Medicare?
- Allen Rosen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allen Rosen's NPI active?
- Yes — Allen Rosen's NPI (1982756342) is active in the NPPES registry as of the last update on 2015-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.