Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Colleen Virginia Groves, R.D., L.D., C.D.E.

Registered Dietitian in Oakland, MD · enumerated 2006.

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

National Provider Identifier

1548350929

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Registry record

Entity type Individual (Type 1)

Name Mrs. Colleen Virginia Groves

Credential R.D., L.D., C.D.E.

Sex Female

Practice address 1027 Memorial Dr, Oakland, MD, 21550

Phone (301) 533-3300

Fax (301) 533-3299

Enumeration date Oct 13, 2006

Last updated in NPPES Dec 10, 2021

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers Primary

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

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 Colleen Groves?

Colleen Groves 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-10.