Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Carleen T Masters, RN
Registered Nurse in Elmira, NY · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720595051
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Carleen T Masters
Credential RN
Sex Female
Practice address 100 Washington St, Elmira, NY, 14901
Phone (607) 737-4903
Enumeration date Jan 9, 2018
Last updated in NPPES Jan 9, 2018
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
Where does Carleen Masters practice?
The practice location on file with NPPES is in Elmira, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Carleen Masters?
The National Provider Identifier (NPI) for Carleen Masters is 1720595051, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Mohammad Parvez Nephrology Physician · Elmira, NY NPI 1518064104 Elmira Psychiatric Center Health Maintenance Organization · Elmira, NY NPI 1649337866 Nys Office of Mental Health Psychiatric Hospital · Elmira, NY NPI 1255498796 Elmira Psychiatric Center Institutional Pharmacy · Elmira, NY NPI 1841357050 Nys Office of Mental Health Adult Mental Health Clinic/Center · Elmira, NY NPI 1194882316 Elmira Psychiatric Center Clinic/Center · Elmira, NY NPI 1730246943 Margaret Butkereit Psychologist · Elmira, NY NPI 1376698100 Shahindokht Buchan Psychiatry Physician · Elmira, NY NPI 1235270471
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-09.