Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Mary Virginia Mark, RD, LD, CDE
Registered Dietitian in Tupelo, MS · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1497242911
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Registry record
Entity type Individual (Type 1)
Name Mrs. Mary Virginia Mark
Credential RD, LD, CDE
Sex Female
Practice address 408 Council Circle, Suite C, Tupelo, MS, 38801
Phone (662) 377-6334
Fax (662) 377-6330
Enumeration date Apr 19, 2018
Last updated in NPPES Jun 16, 2018
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License D0804 (MS) Primary
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 22220310 | Other | - | NATIONAL CERTIFICATION BOARD FOR DIABETES EDUCATORS |
| D0804 | Other | MS | MISSISSIPPI STATE DEPARTMENT OF HEALTH PROFESSIONAL LICENSURE |
| 860079 | Other | - | COMMISSION OF DIETETIC REGISTRATION |
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.
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 Mary Mark?
Mary Mark 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.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-16.