Dan Osterweil, MD, FACP,CMD
NPI 1588651905 · Geriatric Medicine (Internal Medicine) Physician · Sherman Oaks, CA
Dan Osterweil, MD, FACP,CMD is a Geriatric Medicine (Internal Medicine) Physician provider in Sherman Oaks, CA (NPI 1588651905).
Provider details
- NPI number
- 1588651905
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FACP,CMD
- Sex
- Male
- Sole proprietor
- No
- License
- A41240 (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
- 2005-09-30
- Last updated
- 2014-01-30
Frequently asked questions
- What is Dan Osterweil's NPI number?
- Dan Osterweil's National Provider Identifier (NPI) is 1588651905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Osterweil's specialty?
- Dan Osterweil is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Osterweil located?
- Dan Osterweil's practice location on file with NPPES is 5000 Van Nuys Blvd, Sherman Oaks, CA 91403-1793.
- What is Dan Osterweil's phone number?
- The practice phone number listed in the NPPES registry for Dan Osterweil is (818) 986-7908.
- Is Dan Osterweil's NPI active?
- Yes — Dan Osterweil's NPI (1588651905) is active in the NPPES registry as of the last update on 2014-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.