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

Sierra Schaller-Mahl, CRNP

Individual provider Family Medicine Physician · NPI 1649927005

Sierra Schaller-Mahl, CRNP is a Nurse Practitioner in Johnstown, Pennsylvania. Qualified in 2021, 5 years ago. Practices with Dlp Conemaugh Physician Practices LLC, a 284-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
5
Licensed in
PA
In the registry since
2022
Specialties on file
2
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 Hostetler Rd
Johnstown, PA 15904-3111
Phone: (814) 240-3432
Show map & directions

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

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence SP025431 (PA)
Family Medicine Physician Taxonomy 207Q00000X · Licence SP025431 (PA)

Record details

NPI number1649927005
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedMarch 7, 2022
Last updated in NPPESMarch 7, 2022
Certification dateMarch 7, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Dlp Conemaugh Physician Practices Llc — 284 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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