Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark R Mariani, M.D.

Q: What is the NPI number for Mark Mariani?

The National Provider Identifier (NPI) for Mark Mariani is 1972581114, a Type 1 (individual) record in the CMS NPPES registry.

Sports Medicine (Family Medicine) Physician in Tacoma, WA · enumerated 2006.

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

National Provider Identifier

1972581114

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Registry record

Entity type Individual (Type 1)

Name Mark R Mariani

Credential M.D.

Sex Male

Practice address 3124 S 19th St, Tacoma, WA, 98405

Phone (253) 459-7000

Enumeration date Jan 6, 2006

Last updated in NPPES Mar 30, 2011

Taxonomy & licenses

204C00000X Sports Medicine (Neuromusculoskeletal Medicine) Physician Allopathic & Osteopathic Physicians · License A85025 (CA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A85025 (CA) Secondary

207QS0010X Sports Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License A85025 (CA) Secondary

207QS0010X Sports Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License MD00046384 (WA) Primary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD00046384 (WA) Secondary

2081S0010X Sports Medicine (Physical Medicine & Rehabilitation) Physician Allopathic & Osteopathic Physicians · License MD00046384 (WA) Secondary

204C00000X Sports Medicine (Neuromusculoskeletal Medicine) Physician Allopathic & Osteopathic Physicians · License MD00046384 (WA) Secondary

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

What is the NPI number for Mark Mariani?

The National Provider Identifier (NPI) for Mark Mariani is 1972581114, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Mariani practice?

The practice location on file with NPPES is in Tacoma, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-30.