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

MS. Tammy L Harding- Anderer, CRNP

Individual provider Nurse Practitioner · NPI 1265406409

MS. Tammy L Harding- Anderer, CRNP is a Nurse Practitioner in Montoursville, Pennsylvania. Qualified in 1996, 30 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
30
Licensed in
PA
In the registry since
2006
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

780 Broad St
Montoursville, PA 17754-2419
Phone: (570) 368-2870
Fax: (570) 368-4463
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence SP003667B (PA)

Record details

NPI number1265406409
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESAugust 24, 2020
Certification dateAugust 24, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Montoursville