Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Barbara S. Jacobs, RD, LD
Registered Dietitian in Dayton, OH · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033438494
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Registry record
Entity type Individual (Type 1)
Name Ms. Barbara S. Jacobs
Credential RD, LD
Sex Female
Practice address 1323 W 3rd St, Phdmc - Rm 509, Dayton, OH, 45402
Phone (937) 225-4542
Fax (937) 496-3071
Enumeration date May 25, 2010
Last updated in NPPES May 25, 2010
Taxonomy & licenses
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 005826 | Other | - | AMERICAN DIABETES ASSOCIATION |
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 Barbara Jacobs?
Barbara Jacobs 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 2010-05-25.