NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Judith Anne Hamann Cook MD

Psychiatry Physician in Sherman, TX · enumerated 2006 · authorized official Judith Cook, MD.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356315048

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Judith Anne Hamann Cook MD
Practice address 121 W Lamberth Rd, Suite A, Sherman, TX, 75092
Fax (903) 892-6774
Enumeration date Feb 17, 2006
Last updated in NPPES Jul 29, 2016

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Judith Cook
Title MD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Judith Anne Hamann Cook MD?
The NPI for Judith Anne Hamann Cook MD is 1356315048, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Judith Anne Hamann Cook MD?
NPPES lists Judith Cook (MD) as the authorized official for this organization.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-29.