Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kirsten Ryan
Registered Nurse in Castalia, OH · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801610951
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Registry record
Entity type Individual (Type 1)
Name Kirsten Ryan
Sex Female
Practice address 4317 St Rt 269 S, Castalia, OH, 44824
Phone (567) 290-2658
Fax (567) 246-2424
Enumeration date Nov 14, 2024
Last updated in NPPES Nov 14, 2024
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
Where does Kirsten Ryan practice?
The practice location on file with NPPES is in Castalia, OH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kirsten Ryan?
The National Provider Identifier (NPI) for Kirsten Ryan is 1801610951, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jordan Norman Licensed Practical Nurse · Castalia, OH NPI 1689409971 Theresa Didion Registered Nurse · Castalia, OH NPI 1336976893 Dezaniq Grantham Case Manager/Care Coordinator · Castalia, OH NPI 1881418762 John Ferguson Case Manager/Care Coordinator · Castalia, OH NPI 1689498560 Joshua Lesch Case Manager/Care Coordinator · Castalia, OH NPI 1669296281 Cora Scarberry Case Manager/Care Coordinator · Castalia, OH NPI 1861216988 Stephanie Roy Case Manager/Care Coordinator · Castalia, OH NPI 1043034192 Katherine Brisson Case Manager/Care Coordinator · Castalia, OH NPI 1710702741
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-14.