Alex John Messina, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A23984 Issued in CA

Practice address

2021 Santa Monica Blvd
#101E
Santa Monica, CA 90404

Phone

(310) 453-1103

Fax

(310) 453-9633

NPI assigned

Mar 30, 2006

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 1965

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint John'S Health Center Hospital, Santa Monica, CA, CCN 050290

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Alex J. Messina M D Inc

  • Internal Medicine Physician
  • Santa Monica, CA
  • NPI 1962638312
  Medicare reassignment NPD Authorized official
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Providence Saint John'S Health Center

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1124026273
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1143676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1902867823",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2021 SANTA MONICA BLVD",
            "address_2": "STE 101E",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "90404",
            "telephone_number": "310-453-1103",
            "fax_number": "310-453-9633"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2021 SANTA MONICA BLVD",
            "address_2": "#101E",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "90404",
            "telephone_number": "310-453-1103",
            "fax_number": "310-453-9633"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSINA",
        "first_name": "ALEX",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-30",
        "last_updated": "2023-03-07",
        "certification_date": "2023-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A23984",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE NUMBER",
            "identifier": "A23984",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FED TAX ID NO",
            "identifier": "952845053",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Miramannee L. Merryman, PA
• Earl Anthony Mertz, PHARMD
• Sage Aimee Mervis, CCC
• Robert H Merz, M.D.
• Bita Mesri, PHD
• Nicole Messuri, MA
• Metropolitan Heart Associates
• Lolita Sapriel Metscher, MSW LCSW
• Jeannette Meyer, RN, CNS
• Kapua Kaimana Meyer, MD

• Internal Medicine Physician in Santa Monica, CA
• Providers in Santa Monica, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.