Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Steven Joseph Martin, DDS

Periodontics in Healdsburg, CA · enumerated 2007.

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

National Provider Identifier

1063534311

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Registry record

Entity type Individual (Type 1)

Name Mr. Steven Joseph Martin

Credential DDS

Sex Male

Practice address 1310 Prentice Dr, Suite C, Healdsburg, CA, 95448

Phone (707) 433-5496

Fax (707) 433-5093

Enumeration date Apr 6, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223P0300X Periodontics Dental Providers · License 31323 (CA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Steven Martin?

Steven Martin is registered in NPPES with the primary taxonomy of Periodontics. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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