Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Adrian O Tarin, RN
Registered Nurse in Greeley, CO · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649646894
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Registry record
Entity type Individual (Type 1)
Name Adrian O Tarin
Credential RN
Sex Male
Practice address 1140 M St, Greeley, CO, 80631
Phone (970) 353-3900
Enumeration date Aug 11, 2015
Last updated in NPPES Aug 11, 2015
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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 Adrian Tarin?
The National Provider Identifier (NPI) for Adrian Tarin is 1649646894, a Type 1 (individual) record in the CMS NPPES registry.
Where does Adrian Tarin practice?
The practice location on file with NPPES is in Greeley, CO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Theresa Singer Professional Counselor · Greeley, CO NPI 1609866680 North Range Behavioral Health Mental Health Clinic/Center (Including Community Mental Health Center) · Greeley, CO NPI 1033444278 Rachel Watson Addiction (Substance Use Disorder) Counselor · Greeley, CO NPI 1275878639 Anna Cruz Addiction (Substance Use Disorder) Counselor · Greeley, CO NPI 1003242967 Melissa Blatnik Addiction (Substance Use Disorder) Counselor · Greeley, CO NPI 1881020824 Sara Bumbera Licensed Practical Nurse · Greeley, CO NPI 1497181440 Heather Callen Mental Health Counselor · Greeley, CO NPI 1568898526 Victoria Cruz Mental Health Counselor · Greeley, CO NPI 1689000549
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-11.