Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Martha Jane Trexler, PHD
Psychologist in Conshohocken, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487692513
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Registry record
Entity type Individual (Type 1)
Name Dr. Martha Jane Trexler
Credential PHD
Sex Female
Practice address 2013 Spring Mill Rd, Conshohocken, PA, 19428
Phone (610) 667-9830
Enumeration date Jun 2, 2006
Last updated in NPPES Jul 11, 2007
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PS 007717 (PA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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 Martha Trexler practice?
The practice location on file with NPPES is in Conshohocken, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Martha Trexler?
The National Provider Identifier (NPI) for Martha Trexler is 1487692513, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-11.