Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Cathy Diane Ensign, LSW
Social Worker in Defiance, OH · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659528636
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Registry record
Entity type Individual (Type 1)
Name Cathy Diane Ensign
Credential LSW
Sex Female
Practice address 511 Perry St, Defiance, OH, 43512
Phone (419) 782-9920
Fax (419) 784-2523
Enumeration date Aug 21, 2008
Last updated in NPPES Aug 21, 2008
Taxonomy & licenses
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 Cathy Ensign?
The National Provider Identifier (NPI) for Cathy Ensign is 1659528636, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cathy Ensign practice?
The practice location on file with NPPES is in Defiance, OH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Recovery Services of Northwest Ohio, Inc Clinic/Center · Defiance, OH NPI 1720046451 New Home Development Co., Inc. Lodging Provider · Defiance, OH NPI 1285676890 Jacqueline Carr Clinical Social Worker · Defiance, OH NPI 1003029968 Bobbi Crisenbery Social Worker · Defiance, OH NPI 1770749574 Douglas Gessner Addiction (Substance Use Disorder) Counselor · Defiance, OH NPI 1679739478 Linda Schlachter Mcdonald Addiction (Substance Use Disorder) Counselor · Defiance, OH NPI 1073779872 Stacy Barker Addiction (Substance Use Disorder) Counselor · Defiance, OH NPI 1932365749 Robert Cerniglia Addiction (Substance Use Disorder) Counselor · Defiance, OH NPI 1376709188
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-21.