MR. TIMOTHY ANDRE KLASSEN CRNA
NPI 1003973157
Nurse Anesthetist, Certified Registered in Butterfield, MN

Q: What is Timothy Klassen's NPI number?

The NPI number for Timothy Klassen is 1003973157. It was assigned to this individual provider in the NPPES registry on January 1, 2007.

Q: What is Timothy Klassen's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Klassen was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 01, 2007PECOS Enrolled

41130 620TH AVE, BUTTERFIELD, MN 56120(507) 956-3249 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mr. Timothy Andre Klassen Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. TIMOTHY ANDRE KLASSEN CRNA (NPI 1003973157) is an individual nurse anesthetist, certified registered in Butterfield, Minnesota, licensed in Minnesota (R 146066-5) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Olivia Hospital & Clinic, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1003973157

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameMR. TIMOTHY ANDRE KLASSENCredential: CRNA

Location Address41130 620TH AVEButterfield, MN 56120-4075

Mailing Address41130 620th AveButterfield, MN 56120-4075 · (507) 956-3249

Phone(507) 956-3249

Sole ProprietorYes

Medical School CMSOtherGraduated 1999

Enumeration DateJanuary 1, 2007

Last NPPES UpdateAugust 19, 2026

NPPES CertifiedAugust 19, 2026

✔ NPI 1003973157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in MN · R 146066-5

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

41130 620TH AVE, Butterfield, MN 56120

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Timothy Andre Klassen Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002840931

PECOS Enrollment IDI20050921000097

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Timothy Klassen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Windom Area Hospital

11 mi

Clinic/Center

437 MAIN STREET E
Trimont, MN 56176

Reassigned Medicare billing, Minnesota enrollment
Also billed through NPI 1841288644 (Minnesota)
39 clinicians in this Medicare group

NPI 1194513705 (507) 831-2400

Madelia Health

24 mi

Critical Access

121 DREW AVE SE
Madelia, MN 56062

Reassigned Medicare billing, Minnesota enrollment
Also billed through NPI 1912999137 (Minnesota)
6 clinicians in this Medicare group

NPI 1639243272 (507) 642-3255

City Of Sleepy Eye

29 mi

Rural Health

400 4TH AVENUE NW
Sleepy Eye, MN 56085

Reassigned Medicare billing, Minnesota enrollment
11 clinicians in this Medicare group

NPI 1215906680 (507) 794-3691

United Hospital District Inc.

41 mi

Critical Access

515 S MOORE ST
Blue Earth, MN 56013

Reassigned Medicare billing, Minnesota enrollment
56 clinicians in this Medicare group

NPI 1952307688 (507) 526-3273

Sanford Health Network

46 mi

Critical Access

251 5TH ST E
Tracy, MN 56175

Reassigned Medicare billing, Minnesota enrollment
27 clinicians in this Medicare group

NPI 1003851171 (507) 629-8300

Carris Health - Redwood LLC

46 mi

Emergency Medicine

101 CARING WAY
Redwood Falls, MN 56283

Reassigned Medicare billing, Minnesota enrollment
Also billed through NPI 1194206748 (Minnesota)
183 clinicians in this Medicare group

NPI 1265914048 (507) 637-4500

County Of Murray

46 mi

Critical Access

2042 JUNIPER AVE
Slayton, MN 56172

Reassigned Medicare billing, Minnesota enrollment
36 clinicians in this Medicare group

NPI 1053497214 (507) 836-1277

Healthpartners Rc

61 mi

Critical Access Hospital

100 HEALTHY WAY
Olivia, MN 56277

Reassigned Medicare billing, Minnesota enrollment
Also billed through NPI 1629091871 (Minnesota)
125 clinicians in this Medicare group

NPI 1649470782 (320) 523-1261

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

101 services64 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

45 services41 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

40 services35 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

31 services30 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

23 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

21 services21 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

19 services17 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

17 services16 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

17 services14 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

16 services15 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

16 services13 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

14 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Olivia Hospital & Clinic

Critical Access Hospitals · Olivia, MN

OwnershipVoluntary non-profit - Private

CMS Certification Number241306

Location100 Healthy WayOlivia, MN 56277 · Renville County

Emergency services

Madelia Health

Critical Access Hospitals · Madelia, MN

OwnershipVoluntary non-profit - Other

CMS Certification Number241323

Location121 Drew Avenue SoutheastMadelia, MN 56062 · Watonwan County

Emergency services

Centracare - Redwood

Critical Access Hospitals · Redwood Falls, MN

OwnershipGovernment - Local

CMS Certification Number241351

Location101 Caring WayRedwood Falls, MN 56283 · Redwood County

Emergency services Birthing friendly

United Hospital District

Critical Access Hospitals · Blue Earth, MN

OwnershipGovernment - Hospital District or Authority

CMS Certification Number241369

Location515 South Moore StreetBlue Earth, MN 56013 · Faribault County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.61 typical visit price

range $56.00 – $168.28

Typical copayment $31.90 (range $14.00 – $42.07)

Most-billed visit code 99204

Established Patient

$69.74 typical visit price

range $18.32 – $138.04

Typical copayment $17.43 (range $4.58 – $34.51)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Klassen's NPI number?

The NPI number for Timothy Klassen is 1003973157. It was assigned to this individual provider in the NPPES registry on January 1, 2007.

Where is Timothy Klassen located?

Timothy Klassen practices at 41130 620th Ave, Butterfield, MN 56120. The listed phone number is (507) 956-3249.

What is Timothy Klassen's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Timothy Klassen enrolled in Medicare?

Yes. Timothy Klassen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Timothy Klassen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Klassen reassigns Medicare benefits to 8 organizations: Windom Area Hospital (Trimont, MN), Madelia Health (Madelia, MN), City Of Sleepy Eye (Sleepy Eye, MN), United Hospital District Inc. (Blue Earth, MN), Sanford Health Network (Tracy, MN) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Klassen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Timothy Klassen affiliated with any hospitals?

According to CMS data, Timothy Klassen is affiliated with Olivia Hospital & Clinic, Madelia Health, Centracare - Redwood and United Hospital District.

When was this NPI record last updated?

The NPPES record for Timothy Klassen was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.