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ZACHARY STEVEN SIETSEMA LPC
NPI 1598477192
Counselor in Grand Rapids, MI

Active since December 15, 2022PECOS Enrolled
555 MIDTOWNE ST NE STE 304, GRAND RAPIDS, MI 49503(616) 458-4444(616) 458-4440 Get Directions Write a Review

NPPES record last updated: December 15, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Zachary Steven Sietsema Lpc NPPES

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

ZACHARY STEVEN SIETSEMA LPC (NPI 1598477192) is an individual counselor in Grand Rapids, Michigan, licensed in Michigan (6401018484) and active in the NPI registry since December 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598477192
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameZACHARY STEVEN SIETSEMACredential: LPC
Location Address555 MIDTOWNE ST NE STE 304Grand Rapids, MI 49503-5731
Mailing Address1000 Parchment Dr SeGrand Rapids, MI 49546-3669 · (616) 957-9112 · Fax (616) 957-2409
Phone(616) 458-4444
Fax(616) 458-4440
Sole ProprietorYes
Enumeration DateDecember 15, 2022
NPPES CertifiedDecember 15, 2022
✔ NPI 1598477192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in MI · 6401018484
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
555 MIDTOWNE ST NE STE 304, Grand Rapids, MI 49503
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zachary Steven Sietsema Lpc 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.

Medicare Billing Reassignment

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

Psychology Associates Of Grand Rapids PC
5.2 mi
Clinical
1000 PARCHMENT DR SE
Grand Rapids, MI 49546
  • Reassigned Medicare billing, Michigan enrollment
  • 21 clinicians in this Medicare group
NPI 1073747648 (616) 957-9112

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

Other Providers at the Same Location NPPES

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

OPUS HEALTH PLLC
Psychiatry & Neurology (Psychiatry)
555 MIDTOWNE ST NE STE 304
GRAND RAPIDS, MI 49503
Kent County (616) 458-4444

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 Sietsema's NPI number?

The NPI number for Zachary Sietsema is 1598477192. It was assigned to this individual provider in the NPPES registry on December 15, 2022.

Where is Zachary Sietsema located?

Zachary Sietsema practices at 555 Midtowne St NE Ste 304, Grand Rapids, MI 49503. The listed phone number is (616) 458-4444.

What is Zachary Sietsema's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Zachary Sietsema enrolled in Medicare?

Yes. Zachary Sietsema is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zachary Sietsema's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Sietsema reassigns Medicare benefits to Psychology Associates Of Grand Rapids PC (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 Sietsema's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Sietsema accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health and UnitedHealthcare list Zachary Sietsema 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.

When was this NPI record last updated?

The NPPES record for Zachary Sietsema was last updated on December 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.