Olivia Kathryn Mason, PA-C

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

085012286 Issued in IL

Practice address

777 Park Ave W
Highland Park, IL 60035-2433

Phone

(847) 432-9000

NPI assigned

Mar 27, 2026

Sex

Female

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

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: No

Green means eligible to order or refer.

Specialty

Physician Assistant

Education

R Franklin University of Med & Sci/Chicago Medical School, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1774569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1063351609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "777 PARK AVE W",
            "city": "HIGHLAND PARK",
            "state": "IL",
            "postal_code": "600352433",
            "telephone_number": "847-432-9000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "283 Cherry Ln",
            "address_purpose": "LOCATION",
            "city": "Kennett Square",
            "state": "PA",
            "postal_code": "193484708",
            "country_code": "US",
            "telephone_number": "484-844-1287",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASON",
        "first_name": "OLIVIA",
        "middle_name": "KATHRYN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-27",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": null,
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "IL",
            "license": "085012286",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Norman J Markus, MD
• Jennifer Martin, ED.S., NCSP
• Karen Anne Martin, L.C.S.W.
• Matthew Martinek, PA-C
• Carole Sims Henn Martz, CNS
• Edward B. Matthew, MD
• Biana Mavasheva, LCPC
• Courtney Mayszak, RDN, LDN
• Ellen Mazza, LCSW
• Barbara MC Carthy, PT

• Surgical Physician Assistant in Highland Park, IL
• Providers in Highland Park, IL by specialty
• Surgical Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.