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

Michael Paul Tennysen, RN

Individual provider Registered Nurse · NPI 1225522956

Michael Paul Tennysen, RN is a Certified Registered Nurse Anesthetist (CRNA) in Warsaw, New York. Qualified in 2019, 7 years ago. Practices with Upstate New York Medical Professional Corporation, a 4-clinician group and accepts Medicare assignment. Licensed in New York and Utah.

Years since qualifying
7
Licensed in
NY, UT
In the registry since
2018
Specialties on file
3
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

400 N Main St
Warsaw, NY 14569-1025
Phone: (585) 786-2233
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 123550 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 666795 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 7178358-3102 (UT)

Record details

NPI number1225522956
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedJune 16, 2018
Last updated in NPPESMarch 1, 2024
Certification dateMarch 1, 2024

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Upstate New York Medical Professional Corporation — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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