Ahmad Ryan Masri-Elyafaoui, MD

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

A206548 Issued in CA

Practice address

11234 Anderson St
Loma Linda, CA 92350-1716

Phone

(909) 558-6388

NPI assigned

Jun 1, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Neurosurgery

Education

Other, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1559347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1376101691",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-6388"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-6388"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3901 Rainbow Blvd",
            "address_purpose": "LOCATION",
            "city": "Kansas City",
            "state": "KS",
            "postal_code": "661608500",
            "country_code": "US",
            "telephone_number": "913-588-6122",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASRI-ELYAFAOUI",
        "first_name": "AHMAD",
        "middle_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-01",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "KS",
            "license": "9409943",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CA",
            "license": "A206548",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley Marie Masih, RD, PA-C
• Auxillia R Masiyakurima
• Michael B. Maskin, PH.D.
• Danielle Marie Mason, M.D.
• Linda J Mason, M.D.
• Agnes Massie
• Guadalupe Isabel Mata, RN
• Jessica Elizabeth Mathew, DO/MPH
• Roy Oomen Mathew, M.D.
• Liesl Mathias, M.D.

• Neurological Surgery Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Neurological Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 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.
• 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.