Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Carl T. Hook, M.D.

Specialist in Norman, OK · enumerated 2006.

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

National Provider Identifier

1841305745

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Registry record

Entity type Individual (Type 1)

Name Dr. Carl T. Hook

Credential M.D.

Sex Male

Practice address 900 N Porter Ave, Suite 209, Norman, OK, 73071

Phone (405) 364-2666

Fax (405) 364-9627

Enumeration date Aug 20, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 9420 (OK) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
730980414003	Other	OK	BLUE CROSS BLUE SHIELD

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

Is NPI 1841305745 active?

Yes, as of the latest NPPES snapshot, NPI 1841305745 is active (record last updated 2007-07-08).

How do I verify Carl Hook's NPI record?

Cross-check NPI 1841305745 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.