Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ralph E. Landefeld PHD PC

Organization Psychologist · NPI 1326368374

Ralph E. Landefeld PHD PC is a Psychologist in Meadville, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2010.

Licensed in
PA
In the registry since
2010
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

15957 Conneaut Lake Rd Ste 7
Meadville, PA 16335
Phone: (814) 336-5387
Fax: (814) 807-1416
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS002990L (PA)

Record details

NPI number1326368374
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ralph Landefeld — Owner/Psychologist · (724) 601-4901
NPI enumeratedJune 1, 2010
Last updated in NPPESJune 1, 2010
Mailing address10159 Nancy Drive, Meadville, PA 16335

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