NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mariah Diana Marsh, DPT

Orthopedic Physical Therapist in Ventura, CA · enumerated 2010.

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

National Provider Identifier

1417279688

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mariah Diana Marsh
Credential DPT
Sex Female
Practice address 4572 Telephone Rd Ste 903, Ventura, CA, 93003
Phone (805) 654-8127
Fax (805) 654-8149
Enumeration date Feb 15, 2010
Last updated in NPPES Feb 15, 2010

Taxonomy & licenses

2251X0800X Orthopedic Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 35892 (CA) Primary
DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT 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

How do I verify Mariah Marsh's NPI record?
Cross-check NPI 1417279688 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1417279688 active?
Yes, as of the latest NPPES snapshot, NPI 1417279688 is active (record last updated 2010-02-15).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-15.