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

Barbara Treier, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1841259082

Barbara Treier, CRNA is a Certified Registered Nurse Anesthetist in Williamsport, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

700 High St Willliamsport Hospital & Medical Ctr
Williamsport, PA 17701-3198
Phone: (570) 321-2385
Fax: (570) 321-2479
Show map & directions

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN200445L (PA)

Record details

NPI number1841259082
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMarch 17, 2006
Last updated in NPPESJanuary 13, 2012
Mailing address1201 Grampian Blvd, Po Box 3127, Williamsport, PA 17701-1900

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