Steven Castle, MD
NPI 1619069325 · Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Steven Castle, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Los Angeles, CA (NPI 1619069325).
Provider details
- NPI number
- 1619069325
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G058595 (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
- 2006-09-29
- Last updated
- 2007-07-09
Frequently asked questions
- What is Steven Castle's NPI number?
- Steven Castle's National Provider Identifier (NPI) is 1619069325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Castle's specialty?
- Steven Castle is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Castle located?
- Steven Castle's practice location on file with NPPES is 11301 Wilshire Blvd, Los Angeles, CA 90073-1003.
- What is Steven Castle's phone number?
- The practice phone number listed in the NPPES registry for Steven Castle is (310) 268-4671.
- Is Steven Castle's NPI active?
- Yes — Steven Castle's NPI (1619069325) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.