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

Heather Marie Yost, ARNP, CNM

Individual provider Advanced Practice Midwife · NPI 1801103635

Heather Marie Yost, ARNP, CNM is an Advanced Practice Midwife in Lock Haven, Pennsylvania. Licensed in Iowa and Pennsylvania. Registered with an NPI since 2010.

Licensed in
IA, PA
In the registry since
2010
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

See every abbreviation used in this directory →

Practice location Address checks out

663 E Guardlock Dr
Lock Haven, PA 17745-1853
Phone: (402) 813-8924
Show map & directions

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

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence MW010225 (PA)
Advanced Practice Midwife Taxonomy 367A00000X · Licence 144282 (IA)

Record details

NPI number1801103635
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP , CNM
Sole proprietorNo
NPI enumeratedAugust 31, 2010
Last updated in NPPESJune 2, 2026
Certification dateJune 2, 2026