Nathaniel P. Oommen

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

125.085610 Issued in IL

Practice address

2160 S 1St Ave
Maywood, IL 60153-3328

Phone

(708) 216-4533

NPI assigned

Mar 27, 2025

Sex

Male

Sole proprietor

Yes

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 IL

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

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1743033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747612800000",
    "number": "1740083799",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2160 S 1ST AVE",
            "city": "MAYWOOD",
            "state": "IL",
            "postal_code": "601533328",
            "telephone_number": "708-216-4533"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2160 S 1ST AVE",
            "city": "MAYWOOD",
            "state": "IL",
            "postal_code": "601533328",
            "telephone_number": "708-216-4533"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5000 S 5th Ave",
            "address_purpose": "LOCATION",
            "city": "Hines",
            "state": "IL",
            "postal_code": "601413030",
            "country_code": "US",
            "telephone_number": "708-202-8387",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OOMMEN",
        "first_name": "NATHANIEL",
        "middle_name": "P.",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-03-27",
        "last_updated": "2025-05-19",
        "certification_date": "2025-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "IL",
            "license": "125.085610",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IL",
            "license": "PENDING",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Fredrick Olivieri Jr.
• Nicholas Olivieri
• Rachael Corey Olson-Marszewski, MD
• Mary Olson, MD
• Moira Gilroy Olson, APRN
• Aaron W Oraham, MD
• Julia Organ, MD
• Vanessa Maria Orlando Castellanos
• Lissette Carmen Ortiz-Ferrer, M.D.
• Juan Gabriel Ortiz-Vazquez, MD

• Neurology Physician in Maywood, IL
• Providers in Maywood, IL by specialty
• Neurology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2025; 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.