NPIMap

Organization Active NPI

Mesa Pulmonary Group, Inc.

  • Pulmonary Disease Physician
  • Costa Mesa, CA
National Provider Identifier
1821610874
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
Legal business name
MESA PULMONARY GROUP, INC.
Practice address
136 Broadway
Costa Mesa, CA 92627-2818
Phone
(949) 873-5537
Fax
(949) 837-5647
NPI assigned
May 13, 2020
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Authorized official

Name
Alexander J Sweidan, M.D.NPI 1689070161
Title
President/Ceo
Phone
(310) 723-5303

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
Critical Care Medicine (Internal Medicine) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RC0200X
Pulmonary Disease PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RP1001X Primary

Addresses

Primary practice location

136 Broadway
Costa Mesa, CA 92627-2818

Mailing address

P.O. Box 8500
Newport Beach, CA 92658-8500
Phone (949) 873-5537

Other identifiers 2

IdentifierTypeStateIssuer
1265494835OtherCAINDIVIDUAL NPI
1790181311OtherCAINDIVIDUAL NPI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20200626000542 CA Part B Supplier - Clinic/Group Practice 3476975087 Receives reassigned benefits from 6 practitioners
Practice locations: Costa Mesa, CA

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 9

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1589328000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772409600000",
    "number": "1821610874",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "P.O. BOX 8500",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926588500",
            "telephone_number": "949-873-5537",
            "fax_number": "949-548-2575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "136 BROADWAY",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926272818",
            "telephone_number": "949-873-5537",
            "fax_number": "949-837-5647"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MESA PULMONARY GROUP, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-05-13",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A",
        "authorized_official_last_name": "SWEIDAN",
        "authorized_official_first_name": "ALEXANDER",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "PRESIDENT/CEO",
        "authorized_official_telephone_number": "310-723-5303",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "INDIVIDUAL NPI",
            "identifier": "1265494835",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "INDIVIDUAL NPI",
            "identifier": "1790181311",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Costa Mesa, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.