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

Mr. Walter Ellsworth Fasenmyer, CRNP

Individual provider Adult Health Nurse Practitioner · NPI 1558079384

Mr. Walter Ellsworth Fasenmyer, CRNP is a Nurse Practitioner in Seneca, Pennsylvania. Qualified in 2016, 10 years ago. Practices with Hematology Oncology Association, a 78-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
10
Licensed in
PA
In the registry since
2022
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

100 Fairfield Dr
Seneca, PA 16346-2130
Phone: (814) 676-7900
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence SP026575 (PA)

Record details

NPI number1558079384
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNP
Sole proprietorNo
NPI enumeratedNovember 10, 2022
Last updated in NPPESJuly 30, 2026
Certification dateNovember 10, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Hematology Oncology Association — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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