Trevor Joseph Zajac, MD

Primary specialty

Neurology with Special Qualifications in Child Neurology PhysicianTaxonomy code 2084N0402X

License

4351052971 Issued in MI

Practice address

35 Michigan St NE Ste 3003
Grand Rapids, MI 49503-2528

Phone

(616) 267-2500

Fax

(616) 267-2501

NPI assigned

Apr 8, 2024

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 MI

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

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1712534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1831942226",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35 MICHIGAN ST NE STE 3003",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032528",
            "telephone_number": "616-267-2500",
            "fax_number": "616-267-2501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "35 MICHIGAN ST NE STE 3003",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032528",
            "telephone_number": "616-267-2500",
            "fax_number": "616-267-2501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZAJAC",
        "first_name": "TREVOR",
        "middle_name": "JOSEPH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-04-08",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0402X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
            "state": "MI",
            "license": "4351052971",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "4351052971",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeffrey Zagaroli, PTA
• Stephany Zahl, MD
• Linda Zahrn, RN
• Warda Zaidi, MD
• Andrea Zajac
• Michael H Zakem, D.O.
• Mae Zakhour
• Kensley Zaldivar, PA-C
• Nathan Thomas Zalenski, PA
• Allison M Zalinski

• Neurology with Special Qualifications in Child Neurology Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Neurology with Special Qualifications in Child Neurology Physician in Michigan

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

Verify at the official NPI Registry.