Alex J. Messina M D Inc
NPI 1962638312 · 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)
Alex J. Messina M D Inc is a Internal Medicine Physician organization in Santa Monica, CA (NPI 1962638312).
Provider details
- NPI number
- 1962638312
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alex Messina, President(310) 453-1103
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
17 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
- 2009-05-29
- Last updated
- 2023-02-06
- Certified
- 2023-02-06
Frequently asked questions
- What is Alex J. Messina M D Inc's NPI number?
- Alex J. Messina M D Inc's National Provider Identifier (NPI) is 1962638312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alex J. Messina M D Inc?
- Alex J. Messina M D Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alex J. Messina M D Inc located?
- Alex J. Messina M D Inc's practice location on file with NPPES is 2021 Santa Monica Blvd. #101e, Santa Monica, CA 90404-2142.
- What is Alex J. Messina M D Inc's phone number?
- The practice phone number listed in the NPPES registry for Alex J. Messina M D Inc is (310) 453-1103.
- Does Alex J. Messina M D Inc accept Medicare?
- Alex J. Messina M D Inc 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 Alex J. Messina M D Inc?
- The authorized official listed on Alex J. Messina M D Inc's NPPES record is Alex Messina, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alex J. Messina M D Inc's NPI active?
- Yes — Alex J. Messina M D Inc's NPI (1962638312) is active in the NPPES registry as of the last update on 2023-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.