TREVOR JOSEPH ZAJAC MD
NPI 1831942226
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Grand Rapids, MI

Q: What is Trevor Zajac's NPI number?

The NPI number for Trevor Zajac is 1831942226. It was assigned to this individual provider in the NPPES registry on April 8, 2024.

Q: What is Trevor Zajac's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Q: When was this NPI record last updated?

The NPPES record for Trevor Zajac was last updated on May 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 08, 2024PECOS Enrolled

35 MICHIGAN ST NE STE 3003, GRAND RAPIDS, MI 49503(616) 267-2500(616) 267-2501 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 11, 2026, Feb 5, 2025, Jun 21, 2024 and 1 more (4 updates tracked since 2024).

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About Trevor Joseph Zajac Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TREVOR JOSEPH ZAJAC MD (NPI 1831942226) is an individual neurology with special qualifications in child neurology provider in Grand Rapids, Michigan, licensed in Michigan (4351052971) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831942226

Entity TypeIndividualMale

Primary Taxonomy2084N0402X

Provider Legal NameTREVOR JOSEPH ZAJACCredential: MD

Location Address35 MICHIGAN ST NE STE 3003Grand Rapids, MI 49503-2528

Mailing Address35 Michigan St Ne Ste 3003Grand Rapids, MI 49503-2528 · (616) 267-2500 · Fax (616) 267-2501

Phone(616) 267-2500

Fax(616) 267-2501

Sole ProprietorNo

Enumeration DateApril 8, 2024

Last NPPES UpdateMay 11, 20264 updates tracked since enumeration

NPPES CertifiedMay 11, 2026

✔ NPI 1831942226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0402X

License✔ Licensed in MI · 4351052971

Definition

A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.

Also ListedPediatricsTaxonomy 208000000X · License 4351052971 (MI)

35 MICHIGAN ST NE STE 3003, Grand Rapids, MI 49503

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Trevor Joseph Zajac Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.15 typical visit price

range $54.34 – $166.68

Typical copayment $31.53 (range $13.58 – $41.67)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN NICOLE HANNON RDN

Dietitian, Registered