Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marissa Pena
Physician Assistant in Paoli, PA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124938378
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Marissa Pena
Sex Female
Practice address 255 West Lancaster Avenue, Medical Office Building 3, Suite 237, Paoli, PA, 19301
Phone (484) 565-8080
Enumeration date Sep 10, 2026
Last updated in NPPES Sep 10, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA067899 (PA) Primary
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 Marissa Pena?
The National Provider Identifier (NPI) for Marissa Pena is 1124938378, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marissa Pena practice?
The practice location on file with NPPES is in Paoli, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Mitchell Drake Emergency Medicine Physician · Paoli, PA NPI 1578535522 Steven Gamburg Emergency Medicine Physician · Paoli, PA NPI 1063485407 Sean Burket Acute Care Nurse Practitioner · Paoli, PA NPI 1154510568 Taylor Breidenbach Physician Assistant · Paoli, PA NPI 1497115679 Jennifer Foster Pediatric Nurse Practitioner · Paoli, PA NPI 1528597986
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-10.