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

Theresa Vonhassel, APRN, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1508954488

Theresa Vonhassel, APRN, NP is a Psychiatric/Mental Health Nurse Practitioner in Oneonta, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

189 Main St Ste 203
Oneonta, NY 13820-3510
Phone: (607) 436-9030
Fax: (607) 436-9031
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 331368 (NY)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 400713 (NY)

Record details

NPI number1508954488
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , NP
Sole proprietorYes
NPI enumeratedOctober 10, 2006
Last updated in NPPESOctober 19, 2023
Certification dateOctober 19, 2023

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