NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Curtis Nathaniel Smith Sr., MD

Cardiovascular Disease Physician in Mount Shasta, CA · enumerated 2006.

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

National Provider Identifier

1003894213

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Registry record

Entity type Individual (Type 1)
Name Mr. Curtis Nathaniel Smith Sr.
Credential MD
Sex Male
Practice address Mount Shasta, CA, 96067
Fax (530) 926-3791
Enumeration date Jan 6, 2006
Last updated in NPPES Jul 23, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License A30448 (CA) 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
A30448 Other - BLUE CROSS
P00464316 Other CA RAILROAD MEDICARE
00A304480 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.

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Frequently asked questions

Where does Curtis Smith practice?
The practice location on file with NPPES is in Mount Shasta, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Curtis Smith?
The National Provider Identifier (NPI) for Curtis Smith is 1003894213, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-07-23.