Westside Internal Medicine
NPI 1184631251 · Internal Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Westside Internal Medicine is a Internal Medicine Physician organization in Santa Monica, CA (NPI 1184631251).
Provider details
- NPI number
- 1184631251
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ernie Prudente, Partner(310) 829-7762
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Clinical Medical Laboratory291U00000X
Laboratories
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
- 2006-08-02
- Last updated
- 2025-11-26
- Certified
- 2025-11-26
Frequently asked questions
- What is Westside Internal Medicine's NPI number?
- Westside Internal Medicine's National Provider Identifier (NPI) is 1184631251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Westside Internal Medicine?
- Westside Internal Medicine is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Westside Internal Medicine located?
- Westside Internal Medicine's practice location on file with NPPES is 2121 Wilshire Blvd, Santa Monica, CA 90403.
- What is Westside Internal Medicine's phone number?
- The practice phone number listed in the NPPES registry for Westside Internal Medicine is (310) 264-0065.
- Does Westside Internal Medicine accept Medicare?
- Westside Internal Medicine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Westside Internal Medicine?
- The authorized official listed on Westside Internal Medicine's NPPES record is Ernie Prudente, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Westside Internal Medicine's NPI active?
- Yes — Westside Internal Medicine's NPI (1184631251) is active in the NPPES registry as of the last update on 2025-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.