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JAMES P. WIADUCK, M.D.
NPI 1982824512
Psychiatry & Neurology - Psychiatry in Muskegon, MI

Active since April 26, 2007
4461 GRAND HAVEN ROAD, MUSKEGON, MI 49441(231) 798-8337(231) 798-9816 Get Directions Write a Review

NPPES record last updated: January 8, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About James P. Wiaduck, M.d. NPPES

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

JAMES P. WIADUCK, M.D. (NPI 1982824512) is a healthcare organization registered as a psychiatry in Muskegon, Michigan and active in the NPI registry since April 2007. The organization lists James Patrick Wiaduck, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1982824512
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NamePSYCHIATRIC PHYSICIANS, PLLC
Location Address4461 GRAND HAVEN ROADMuskegon, MI 49441
Mailing AddressP.o. Box 334Grand Haven, MI 49417 · (231) 798-8337 · Fax (231) 798-9816
Phone(231) 798-8337
Fax(231) 798-9816
Organization SubpartNo
Authorized OfficialJames Patrick WiaduckMedical Director · (231) 798-8337
Enumeration DateApril 26, 2007
Last NPPES UpdateJanuary 8, 2020
✔ NPI 1982824512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MI · 4301066579
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.
Also ListedPsychiatry & Neurology · Psychosomatic MedicineTaxonomy 2084P0015X · License 4301066579 (MI)
4461 GRAND HAVEN ROAD, Muskegon, MI 49441
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Other Names 1

Doing Business AsJames P. Wiaduck, M.d.

Other Identifiers 1

OtherPTANON10230MI · Ptan On10230

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James P. Wiaduck, M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to James P. Wiaduck, M.D., which bills Medicare for the services this clinician delivers.

Clinician (1)

James Wiaduck, M.D.
Psychiatry
NPI 1114946506
4461 GRAND HAVEN RD
Norton Shores, MI 49441
(231) 798-8337
✔ PECOS✔ Accepts MedicareSame address

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

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 Psychiatric Physicians, PLLC's NPI number?

The NPI number for Psychiatric Physicians, PLLC is 1982824512. It was assigned to this organization in the NPPES registry on April 26, 2007. The provider is doing business as James P. Wiaduck, M.D..

Where is Psychiatric Physicians, PLLC located?

Psychiatric Physicians, PLLC is located at 4461 Grand Haven Road, Muskegon, MI 49441. The listed phone number is (231) 798-8337.

What is Psychiatric Physicians, PLLC's specialty?

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

Is Psychiatric Physicians, PLLC enrolled in Medicare?

Yes. Psychiatric Physicians, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Psychiatric Physicians, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Psychiatric Physicians, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Psychiatric Physicians, PLLC accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Psychiatric Physicians, PLLC 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 Psychiatric Physicians, PLLC was last updated on January 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.