Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marla Jean Van Tassell, NURSE PRACTITIONER

Psychiatric/Mental Health Nurse Practitioner in Twin Falls, ID · enumerated 2015 · practices at Twin Falls Internal Medicine Pllc.

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

National Provider Identifier

1801266572

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Registry record

Entity type Individual (Type 1)

Name Marla Jean Van Tassell

Credential NURSE PRACTITIONER

Sex Female

Practice address 414 Shoup Ave W Ste B, Twin Falls, ID, 83301

Phone (208) 814-9100

Enumeration date Oct 6, 2015

Last updated in NPPES Feb 23, 2021

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP-1662A (ID) Primary

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

What specialty is Marla Van Tassell?

Marla Van Tassell is registered in NPPES with the primary taxonomy of Psychiatric/Mental Health Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-23.