Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Deanna J Guillen, RD
Registered Dietitian in Findlay, OH · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619313996
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Registry record
Entity type Individual (Type 1)
Name Deanna J Guillen
Credential RD
Sex Female
Practice address 200 W Pearl St, Findlay, OH, 45840
Phone (419) 424-0380
Enumeration date May 14, 2013
Last updated in NPPES May 14, 2013
Taxonomy & licenses
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
What is the NPI number for Deanna Guillen?
The National Provider Identifier (NPI) for Deanna Guillen is 1619313996, a Type 1 (individual) record in the CMS NPPES registry.
Where does Deanna Guillen practice?
The practice location on file with NPPES is in Findlay, OH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Debra Parker Pharmacotherapy Pharmacist · Findlay, OH NPI 1255339586 Bruce Bouts Internal Medicine Physician · Findlay, OH NPI 1164488268 Jerome Beekman Cardiovascular Disease Physician · Findlay, OH NPI 1578521738 Blanchard Valley Medical Associates, Inc. Internal Medicine Physician · Findlay, OH NPI 1407814775 Lisa Knor Internal Medicine Physician · Findlay, OH NPI 1174581631 Rick Watson Pulmonary Disease Physician · Findlay, OH NPI 1649228537 Gregory Gerschutz Cardiovascular Disease Physician · Findlay, OH NPI 1750339578 Randal Huff Gastroenterology Physician · Findlay, OH NPI 1184672909
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-14.