Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Derek Johnson, RDN
Registered Dietitian in Detroit, MI · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306523824
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Registry record
Entity type Individual (Type 1)
Name Derek Johnson
Credential RDN
Sex Male
Practice address 400 Mack Ave, Detroit, MI, 48201
Phone (313) 448-9600
Enumeration date Jun 28, 2023
Last updated in NPPES Jun 28, 2023
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 86080897 (MI) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 86080897 | Other | MI | REGISTERED DIETITIAN |
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
What specialty is Derek Johnson?
Derek Johnson 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.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-28.