Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Maryann Marks, NC

Nutrition Education Nutritionist in Dallas, TX · enumerated 2016.

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

National Provider Identifier

1285178228

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Registry record

Entity type Individual (Type 1)

Name Maryann Marks

Credential NC

Sex Female

Practice address Dallas, TX, 75243

Phone (847) 668-1934

Enumeration date Dec 9, 2016

Last updated in NPPES Dec 9, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

133NN1002X Nutrition Education Nutritionist Dietary & Nutritional Service Providers 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 is the NPI number for Maryann Marks?

The National Provider Identifier (NPI) for Maryann Marks is 1285178228, a Type 1 (individual) record in the CMS NPPES registry.

Where does Maryann Marks practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-09.