Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Denise O'Neil, RN
Registered Nurse in Concord, NH · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487399192
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Registry record
Entity type Individual (Type 1)
Name Denise O'Neil
Credential RN
Sex Female
Practice address 111 Pleasant St, Concord, NH, 03301
Phone (603) 226-7547
Enumeration date Apr 28, 2022
Last updated in NPPES Apr 28, 2022
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 Denise O'Neil?
The National Provider Identifier (NPI) for Denise O'Neil is 1487399192, a Type 1 (individual) record in the CMS NPPES registry.
Where does Denise O'Neil practice?
The practice location on file with NPPES is in Concord, NH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michael Riley Case Manager/Care Coordinator · Concord, NH NPI 1376697326 Pearl Brunette Case Manager/Care Coordinator · Concord, NH NPI 1831235175 Michael Sammann Case Manager/Care Coordinator · Concord, NH NPI 1932245289 Kathye King Case Manager/Care Coordinator · Concord, NH NPI 1528104833 Tracey Weeks Case Manager/Care Coordinator · Concord, NH NPI 1033255351 Annemarie Jalbert Case Manager/Care Coordinator · Concord, NH NPI 1982740270 Renee Doucette Case Manager/Care Coordinator · Concord, NH NPI 1891834784 Jean Durgin Registered Nurse · Concord, NH NPI 1306988324
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-28.