Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Mcdonell, RD, RN

Registered Dietitian in Santa Rosa, CA · enumerated 2012.

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

National Provider Identifier

1033463260

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Registry record

Entity type Individual (Type 1)

Name Mary Mcdonell

Credential RD, RN

Sex Female

Practice address 365 Tesconi Cir Ste B, Santa Rosa, CA, 95401

Phone (707) 575-6043

Enumeration date Nov 9, 2012

Last updated in NPPES Nov 9, 2012

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 709757 (CA) Primary

163WD0400X Diabetes Educator Registered Nurse Nursing Service Providers · License 499778 (CA) Secondary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD 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

What specialty is Mary Mcdonell?

Mary Mcdonell is registered in NPPES with the primary taxonomy of Registered Dietitian. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-09.