ROBERT HOLWERDA DO
NPI 1205995735
Psychiatry & Neurology - Psychiatry in Grand Rapids, MI

Active since December 08, 2006PECOS Enrolled
790 FULLER AVE NE, GRAND RAPIDS, MI 49503(616) 336-3909(616) 336-8830 Get Directions Write a Review

NPPES record last updated: March 29, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Robert Holwerda Do NPPES

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

ROBERT HOLWERDA DO (NPI 1205995735) is an individual psychiatry provider in Grand Rapids, Michigan, licensed in Michigan (5101009935) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Grand Rapids.

NPPES Registry Identity

NPI1205995735
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameROBERT HOLWERDACredential: DO
Location Address790 FULLER AVE NEGrand Rapids, MI 49503-1918
Mailing Address790 Fuller Ave NeGrand Rapids, MI 49503-1918 · (616) 336-3909 · Fax (616) 336-8830
Fax(616) 336-8830
Sole ProprietorYes
Enumeration DateDecember 8, 2006
Last NPPES UpdateMarch 29, 2022
NPPES CertifiedMarch 29, 2022
✔ NPI 1205995735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MI · 5101009935
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
790 FULLER AVE NE, Grand Rapids, MI 49503

Secondary Practice Location 1

Location 15060 Cascade Rd SE, Suite DGrand Rapids, MI 49546 · Phone (616) 454-2911 · Fax (616) 454-1126

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Holwerda Do 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 Robert Holwerda reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community/Behavioral Health
790 FULLER AVE NE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 164 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.

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
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
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 20

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

Social Worker (Clinical)
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Case Manager/Care Coordinator
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Behavior Analyst
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Case Manager/Care Coordinator
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Social Worker (Clinical)
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Case Manager/Care Coordinator
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Counselor (Professional)
790 FULLER AVE NE
GRAND RAPIDS, MI 49503
Social Worker
790 FULLER AVE NE
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 Robert Holwerda's NPI number?

The NPI number for Robert Holwerda is 1205995735. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Robert Holwerda located?

Robert Holwerda practices at 790 Fuller Ave NE, Grand Rapids, MI 49503. The listed phone number is (616) 336-3909.

What is Robert Holwerda's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Robert Holwerda enrolled in Medicare?

Yes. Robert Holwerda is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Holwerda's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Holwerda reassigns Medicare benefits to Kent County Cmh Authority (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 Robert Holwerda's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Holwerda accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Robert Holwerda 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 Robert Holwerda was last updated on March 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.