ZACHARY RYAN TOMCZYK NP
NPI 1083421622
Nurse Practitioner - Acute Care in Grand Rapids, MI

Active since December 17, 2024PECOS EnrolledAccepts Medicare Assignment
100 MICHIGAN ST NE STE 8861, GRAND RAPIDS, MI 49503(616) 391-6588 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 23, 2025, Dec 17, 2024 (2 updates tracked since 2024).

About Zachary Ryan Tomczyk Np NPPES

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

ZACHARY RYAN TOMCZYK NP (NPI 1083421622) is an individual acute care provider in Grand Rapids, Michigan, licensed in Michigan (4704357676) and active in the NPI registry since December 2024. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1083421622
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameZACHARY RYAN TOMCZYKCredential: NP
Location Address100 MICHIGAN ST NE STE 8861Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 17, 2024
Last NPPES UpdateJune 23, 20252 updates tracked since enumeration
NPPES CertifiedJune 23, 2025
✔ NPI 1083421622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MI · 4704357676
100 MICHIGAN ST NE STE 8861, Grand Rapids, MI 49503

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Zachary Ryan Tomczyk Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315464013
PECOS Enrollment IDI20250506003181
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.

Medicare Billing Reassignment

Medicare enrollment records show Zachary Tomczyk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospitalist
100 MICHIGAN ST NE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 15

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

Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Nurse Practitioner
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Nurse Practitioner (Gerontology)
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Internal Medicine (Critical Care Medicine)
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Nurse Practitioner
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Zachary Tomczyk's NPI number?

The NPI number for Zachary Tomczyk is 1083421622. It was assigned to this individual provider in the NPPES registry on December 17, 2024.

Where is Zachary Tomczyk located?

Zachary Tomczyk practices at 100 Michigan St NE Ste 8861, Grand Rapids, MI 49503. The listed phone number is (616) 391-6588.

What is Zachary Tomczyk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Zachary Tomczyk enrolled in Medicare?

Yes. Zachary Tomczyk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Zachary Tomczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Tomczyk reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Zachary Tomczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Tomczyk accept?

Health plans from Priority Health list Zachary Tomczyk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Zachary Tomczyk affiliated with any hospitals?

According to CMS data, Zachary Tomczyk is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Zachary Tomczyk was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.