Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Harry W. Daniell, M.D. A Medical Corporation

Internal Medicine Physician in Redding, CA · enumerated 2009 · authorized official Harry Daniell, Owner.

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

National Provider Identifier

1639404999

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Registry record

Entity type Organization (Type 2)

Legal business name Harry W. Daniell, M.D. A Medical Corporation

Practice address 2626 Edith Ave, Suite A, Redding, CA, 96001

Phone (530) 241-7050

Fax (530) 241-1214

Enumeration date Oct 5, 2009

Last updated in NPPES Jul 21, 2022

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Harry Daniell

Title Owner

Phone (530) 241-7050

Other identifiers

Identifier	Type	State	Issuer
000G83810	Medicaid	CA	-

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

Who is the authorized official for Harry W. Daniell, M.D. A Medical Corporation?

NPPES lists Harry Daniell (Owner) as the authorized official for this organization.

What is the NPI number for Harry W. Daniell, M.D. A Medical Corporation?

The NPI for Harry W. Daniell, M.D. A Medical Corporation is 1639404999, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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Gisela C. Okonski, M.D., Inc. Cardiovascular Disease Physician · Redding, CA NPI 1265574826

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.