Timothy Andre Klassen, CRNA
Certified Registered Nurse Anesthetist · Butterfield, MN
Timothy Andre Klassen, CRNA is a certified registered nurse anesthetist with a practice address in Butterfield, Minnesota, and NPI 1003973157, issued on Jan 1, 2007. Check the license (Minnesota R 146066-5, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy Andre Klassen
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- R 146066-5 MN
Self-reported in NPPES; status is on the state search - Practice location
- 41130 620TH Ave, Butterfield, MN 56120
- Phone
- (507) 956-3249
- Enumerated
- Jan 1, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050921000097); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,663 in Minnesota → Look up another NPI →
Verify Timothy Andre Klassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license R 146066-5Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average certified registered nurse anesthetist in 2024
304 Medicare Part D claims for 111 beneficiaries, against an average of 224 among the 246 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 72 claims were for opioids.
Most prescribed
- Gabapentin108 claims
- Tramadol Hcl71 claims
- Prednisone30 claims
- Meloxicam20 claims
- Methocarbamol14 claims
- Ajovy Syringe12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- United Hospital District IncBlue Earth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Andre Klassen among 2,663 certified registered nurse anesthetist records in Minnesota
Timothy Andre Klassen, CRNA is one of 2,663 certified registered nurse anesthetist records with a practice address in Minnesota. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2013 among the 1,930 with a school on file
- Record last updated2007 · 62% 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 Minnesota 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 Minnesota
There are 2,663 certified registered nurse anesthetist records in Minnesota.
All 2,663 in Minnesota → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Micara KolanderWindom, MN 561011689093783
- Loretta Krahn, CRNAWindom, MN 561011821088725
- Denise Heupel, CRNAJackson, MN 561431871823179
- Manfred Probe, CRNASleepy Eye, MN 560851598842981
- Jesyca Haines, CRNALuverne, MN 561561902166259
- David Knips, CRNALuverne, MN 561561780743088
- Julie Sherman, CRNALuverne, MN 561561750688867
- Laura HansonSaint Peter, MN 560821326441122
Common questions
What is Timothy Andre Klassen, CRNA's NPI number?
Timothy Andre Klassen, CRNA's National Provider Identifier (NPI) is 1003973157, issued on Jan 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Andre Klassen, CRNA located?
The NPPES record lists a practice address at 41130 620TH Ave, Butterfield, MN, 56120. Phone: (507) 956-3249. Providers update this record themselves, so call before visiting.
How can I verify Timothy Andre Klassen, CRNA's license?
NPPES lists Minnesota license number R 146066-5, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy Andre Klassen, CRNA prescribe under Medicare Part D?
In 2024, Timothy Andre Klassen, CRNA had 304 Medicare Part D claims for 111 beneficiaries; the average among certified registered nurse anesthetist prescribers was 224. Part D covers Medicare prescriptions only.
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.