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

Mr. William Michael Gassmann, MSRNNPP

Individual provider Registered Nurse · NPI 1033390885

Mr. William Michael Gassmann, MSRNNPP is a Nurse Practitioner in Clifton Springs, New York. Qualified in 2006, 20 years ago. Practices with Clifton Springs Sanitarium Co, a 226-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
20
Licensed in
NY
In the registry since
2007
Specialties on file
2

Practice location Address checks out

2 Coulter Rd
Clifton Springs, NY 14432-1122
Phone: (315) 462-1050
Fax: (315) 462-0145
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 401059 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 4929851 (NY)

Record details

NPI number1033390885
Entity typeIndividual (Type 1)
GenderMale
Credentials MSRNNPP
Sole proprietorNo
NPI enumeratedNovember 21, 2007
Last updated in NPPESFebruary 19, 2025
Certification dateFebruary 19, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Clifton Springs Sanitarium Co — 226 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Clifton Springs