Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alissa Marzetti, P.T.

Physical Therapist in Baltimore, MD · enumerated 2014.

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

National Provider Identifier

1437568839

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Registry record

Entity type Individual (Type 1)

Name Dr. Alissa Marzetti

Credential P.T.

Sex Female

Practice address 707 N Broadway, Baltimore, MD, 21205

Phone (443) 923-9289

Enumeration date Aug 11, 2014

Last updated in NPPES Oct 18, 2022

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT 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.

Read the full guide → Validate an NPI →

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 Alissa Marzetti?

Alissa Marzetti is registered in NPPES with the primary taxonomy of Physical Therapist. 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 2022-10-18.