Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Melissa Jean Diersing, RD/LD
Registered Dietitian in Okeana, OH · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619506409
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Registry record
Entity type Individual (Type 1)
Name Mrs. Melissa Jean Diersing
Credential RD/LD
Sex Female
Practice address 6294 Alert New London Rd, Okeana, OH, 45053
Phone (513) 484-7740
Enumeration date Apr 3, 2020
Last updated in NPPES Apr 3, 2020
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 37001212A (IN) Secondary
133VN1005X Renal Nutrition Registered Dietitian Dietary & Nutritional Service Providers · License LD3896 (OH) Secondary
133VN1005X Renal Nutrition Registered Dietitian Dietary & Nutritional Service Providers · License 37001212A (IN) Secondary
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License LD3896 (OH) 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.
Frequently asked questions
Is NPI 1619506409 active?
Yes, as of the latest NPPES snapshot, NPI 1619506409 is active (record last updated 2020-04-03).
How do I verify Melissa Diersing's NPI record?
Cross-check NPI 1619506409 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-03.