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

John Joseph Letzo, CRNP

Individual provider Family Nurse Practitioner · NPI 1114757903

John Joseph Letzo, CRNP is a Family Nurse Practitioner in Clymer, New York. Licensed in New York. Registered with an NPI since 2024.

Licensed in
NY
In the registry since
2024
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

354 Clymer Corry Rd
Clymer, NY 14724-9701
Phone: (716) 355-2248
Fax: (716) 355-2254
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F354838 (NY)

Record details

NPI number1114757903
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNP
Sole proprietorNo
NPI enumeratedAugust 6, 2024
Last updated in NPPESAugust 15, 2024
Certification dateAugust 15, 2024