Marlon Seijo

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

190581 Issued in CA

Practice address

700 Lawrence Expy
Santa Clara, CA 95051-5173

Phone

(408) 851-1000

NPI assigned

Mar 20, 2022

Last updated

Feb 23, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1647734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1568111375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "275 W MACARTHUR BLVD",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115641"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173",
            "telephone_number": "408-851-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEIJO",
        "first_name": "MARLON",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-20",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "190581",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "700 Lawrence Expy",
            "city": "Santa Clara",
            "state": "CA",
            "country_code": "US",
            "postal_code": "950515173",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Angelina Marie Seffens, MD
• William Anton Segarini-Jeffries
• Yulisma Segura Ortiz
• Azita Sehatti, NURSE PRACTITIONER
• Michael Way Seid, DDS
• Select Home Care Agency L.L.C.
• Mary Jane Asis Seljeseth, RPH
• Katelyn Sellers, M.A., CCC-SLP
• Lynn Semersky, M.D.
• Kossi M Senagbe, DPM

• Anesthesiology Physician in Santa Clara, CA
• Providers in Santa Clara, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.