Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WALTER JOSEPH CROOK MD
NPI 1437372729
Psychiatry & Neurology - Psychiatry in Willmar, MN

Q: What is Walter Crook's NPI number?

The NPI number for Walter Crook is 1437372729. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Q: What is Walter Crook's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Walter Crook was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.

Active since April 11, 2007PECOS Enrolled

1701 TECHNOLOGY DR NE, WILLMAR, MN 56201(320) 231-5906 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 12, 2026, Jul 21, 2022, Jul 10, 2017 (3 updates tracked since 2017).

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About Dr. Walter Joseph Crook Md NPPES

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

DR. WALTER JOSEPH CROOK MD (NPI 1437372729) is an individual psychiatry provider in Willmar, Minnesota, licensed in Alabama (12201) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437372729

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WALTER JOSEPH CROOKCredential: MD

Location Address1701 TECHNOLOGY DR NEWillmar, MN 56201-2275

Mailing Address1701 Ne Technology DriveWillmar, MN 56201 · (320) 231-5906

Phone(320) 231-5906

Sole ProprietorNo

Enumeration DateApril 11, 2007

Last NPPES UpdateJuly 12, 20263 updates tracked since enumeration

✔ NPI 1437372729 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 AL · 12201

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.

1701 TECHNOLOGY DR NE, Willmar, MN 56201

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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)

Dr. Walter Joseph Crook 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 56201 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

$168.28 typical visit price

range $56.00 – $168.28

Typical copayment $42.07 (range $14.00 – $42.07)

Most-billed visit code 99205

Established Patient

$69.74 typical visit price

range $18.32 – $138.04

Typical copayment $17.43 (range $4.58 – $34.51)

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 2

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

KAREN DENESE TAYLOR-CRAWFORD MD

Psychiatry & Neurology (Child & Adolescent Psychiatry)

1701 TECHNOLOGY DR NE
WILLMAR, MN 56201

Kandiyohi County (320) 231-5421

EVE CHARITY BERRYHILL M.D.

Psychiatry & Neurology (Psychiatry)

1701 TECHNOLOGY DR NE
WILLMAR, MN 56201

Kandiyohi County (320) 231-5421

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 Walter Crook's NPI number?

The NPI number for Walter Crook is 1437372729. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Walter Crook located?

Walter Crook practices at 1701 Technology Dr NE, Willmar, MN 56201. The listed phone number is (320) 231-5906.

What is Walter Crook's specialty?

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

Is Walter Crook enrolled in Medicare?

Yes. Walter Crook is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Walter Crook was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.