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CASSIE J JOHANNS CRNA
NPI 1881919454
Nurse Anesthetist, Certified Registered in Clarion, IA

Active since April 07, 2010PECOS Enrolled
1316 S. MAIN ST., CLARION, IA 50525(515) 532-2811(515) 532-9245 Get Directions Write a Review

NPPES record last updated: December 9, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cassie J Johanns Crna NPPES

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

CASSIE J JOHANNS CRNA (NPI 1881919454) is an individual nurse anesthetist, certified registered in Clarion, Iowa, licensed in Iowa (D147533) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881919454
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameCASSIE J JOHANNSCredential: CRNA
Location Address1316 S. MAIN ST.Clarion, IA 50525-2019
Mailing Address1316 S Main St.Clarion, IA 50525-2019 · (515) 532-2811 · Fax (515) 532-9245
Phone(515) 532-2811
Fax(515) 532-9245
Sole ProprietorNo
Enumeration DateApril 7, 2010
Last NPPES UpdateDecember 9, 2019
✔ NPI 1881919454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in IA · D147533✔ Licensed in MN · R1592931
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1316 S. MAIN ST., Clarion, IA 50525
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Other Identifiers 3

MedicaidENROLLEDMN
MedicaidENROLLEDIA
OtherP00874891MN · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassie J Johanns Crna 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 Reassignment

Medicare enrollment records show Cassie Johanns reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mason City Ambulatory Surgery Center, LLC
40 mi
Anesthesiology
990 4TH ST SW
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 22 clinicians in this Medicare group
NPI 1689251720 (641) 494-2000

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 2

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.
135 services119 patients
Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50525 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
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 Cassie Johanns's NPI number?

The NPI number for Cassie Johanns is 1881919454. It was assigned to this individual provider in the NPPES registry on April 7, 2010.

Where is Cassie Johanns located?

Cassie Johanns practices at 1316 S. Main St., Clarion, IA 50525. The listed phone number is (515) 532-2811.

What is Cassie Johanns's specialty?

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

Is Cassie Johanns enrolled in Medicare?

Yes. Cassie Johanns is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cassie Johanns's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Johanns reassigns Medicare benefits to Mason City Ambulatory Surgery Center, LLC (Mason City, IA). The 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 Cassie Johanns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassie Johanns accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Cassie Johanns as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cassie Johanns was last updated on December 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.