Michael Paul Tennysen, RN
Certified Registered Nurse Anesthetist · Warsaw, NY
Michael Paul Tennysen, RN is a certified registered nurse anesthetist with a practice address in Warsaw, New York, and NPI 1225522956, issued on Jun 16, 2018. Check the license (New York 123550, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Paul Tennysen
- Credential
- RN
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- 123550 NY
666795 NY
7178358-3102 UT
Self-reported in NPPES; status is on the state search - Practice location
- 400 N Main St, Warsaw, NY 14569
- Phone
- (585) 786-2233
- Enumerated
- Jun 16, 2018
- Record last updated
- Mar 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20190417001129); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,596 in New York → Look up another NPI →
Also registered at 400 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsey Adams, PA-CPhysician Assistant1437628674
- Howard Ang, MDAnesthesiology Physician1003845439
- Heather ArmstrongPhysical Therapy Assistant1255481818
- Jon Baker, MDSurgery Physician1881676732
- Brittany Ball, PAPhysician Assistant1902449044
- Justin Bayliss, OTR.LOccupational Therapist1467677336
Verify Michael Paul Tennysen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 123550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Geneva General Hospital, IncGeneva, NY
- Syracuse Gastroenterological Associates.pcEast Syracuse, NY
- Upstate New York Medical Professional CorporationWarsaw, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Paul Tennysen among 2,596 certified registered nurse anesthetist records in New York
Michael Paul Tennysen, RN is one of 2,596 certified registered nurse anesthetist records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 65% of them.
- NPI issued2018 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2019 · median 2015 among the 1,976 with a school on file
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in New York
There are 2,596 certified registered nurse anesthetist records in New York.
All 2,596 in New York → Every provider in Warsaw → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Kiel Pfaff, DNPWarsaw, NY 145691376064808
- Kami Anderson, CRNAWebster, NY 145801659667889
- Michelle GiannettiWebster, NY 145801144786765
- Janet Graves, CRNAWebster, NY 145801053407007
- Jenifer Orico, CRNAWebster, NY 145801003985839
- Margaret Brown, CRNARochester, NY 146071467488692
- Michael Rutledge, CRNARochester, NY 146071649206871
- Matthew McIntosh, MDRochester, NY 146091992116826
Common questions
What is Michael Paul Tennysen, RN's NPI number?
Michael Paul Tennysen, RN's National Provider Identifier (NPI) is 1225522956, issued on Jun 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Michael Paul Tennysen, RN located?
The NPPES record lists a practice address at 400 N Main St, Warsaw, NY, 14569. Phone: (585) 786-2233. Providers update this record themselves, so call before visiting.
How can I verify Michael Paul Tennysen, RN's license?
NPPES lists New York license number 123550, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Michael Paul Tennysen, RN's MIPS final score?
The 2023 MIPS final score is 84.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.