ERIC JOSEPH THEISEN RN
NPI 1851168165
Nurse Anesthetist, Certified Registered in Saint Cloud, MN

Q: What is Eric Theisen's NPI number?

The NPI number for Eric Theisen is 1851168165. It was assigned to this individual provider in the NPPES registry on December 6, 2023.

Q: What is Eric Theisen'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 Eric Theisen was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 December 06, 2023PECOS Enrolled

1526 NORTHWAY DR, SAINT CLOUD, MN 56303(800) 349-7272 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 4, 2025, Jul 29, 2024, Dec 6, 2023 (3 updates tracked since 2023).

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About Eric Joseph Theisen Rn NPPES

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

ERIC JOSEPH THEISEN RN (NPI 1851168165) is an individual nurse anesthetist, certified registered in Saint Cloud, Minnesota, licensed in Minnesota (2920) and active in the NPI registry since December 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851168165

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameERIC JOSEPH THEISENCredential: RN

Location Address1526 NORTHWAY DRSaint Cloud, MN 56303-1224

Mailing Address1526 Northway DrSaint Cloud, MN 56303-1224 · (800) 349-7272

Phone(800) 349-7272

Sole ProprietorYes

Enumeration DateDecember 6, 2023

Last NPPES UpdateDecember 4, 20253 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1851168165 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 · 2920

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.

1526 NORTHWAY DR, Saint Cloud, MN 56303

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eric Joseph Theisen Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Eric Theisen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Cloud Outpatient Surgery Ltd

Same address

Ambulatory Surgical

1526 NORTHWAY DR
Saint Cloud, MN 56303

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

NPI 1124084843 (320) 251-8385

Certified Anesthesia Care, Co.

75 mi

Nurse Anesthetist, Certified Registered

2950 CURVE CREST BLVD W
Stillwater, MN 55082

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

NPI 1699736348 (888) 209-0305

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 4

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.

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

27 services27 patients

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

21 services20 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

16 services16 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56303 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRYCE C HOLMGREN M.D.

Anesthesiology