Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen A Martinelli, RN
Registered Nurse in Exton, PA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578055927
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Registry record
Entity type Individual (Type 1)
Name Karen A Martinelli
Credential RN
Sex Female
Practice address 825 Springdale Dr, Exton, PA, 19341
Phone (484) 565-1133
Fax (484) 565-8219
Enumeration date Jun 1, 2018
Last updated in NPPES Jun 1, 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 Karen Martinelli practice?
The practice location on file with NPPES is in Exton, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Karen Martinelli?
The National Provider Identifier (NPI) for Karen Martinelli is 1578055927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jamie Burke Clinical Social Worker · Exton, PA NPI 1255744512 Jacqueline Chronowski Professional Counselor · Exton, PA NPI 1821458068 Kimberly Kennedy Professional Counselor · Exton, PA NPI 1982056081 Megan Tenaglia-Neil Mental Health Counselor · Exton, PA NPI 1790233054 Jeanette Desilva Professional Counselor · Exton, PA NPI 1376085894 Sarah Alexander Clinical Social Worker · Exton, PA NPI 1063947042 Feruza Yuvakaeva Addiction (Substance Use Disorder) Counselor · Exton, PA NPI 1417439720 Christina Flanagan Psychiatry Physician · Exton, PA NPI 1033770052
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-01.