MRS. HEIDI MARIE FARNUM APRN-CRNA
NPI 1427281401
Nurse Anesthetist, Certified Registered in Clarion, IA
About Mrs. Heidi Marie Farnum Aprn-crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HEIDI MARIE FARNUM APRN-CRNA (NPI 1427281401) is an individual nurse anesthetist, certified registered in Clarion, Iowa, licensed in Iowa (D153765) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and maintains a secondary practice location in Omaha.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Heidi Marie Farnum Aprn-crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Heidi Farnum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mason City, IA 50401
- Reassigned Medicare billing, Iowa enrollment
- 22 clinicians in this Medicare group
Omaha, NE 68124
- Reassigned Medicare billing, Nebraska enrollment
- 271 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone North Iowa Medical Center
Acute Care Hospitals · Mason City, IAPhysician 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLARION, IA 50525
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 Heidi Farnum's NPI number?
The NPI number for Heidi Farnum is 1427281401. It was assigned to this individual provider in the NPPES registry on August 25, 2009. The provider is also known as Miss Heidi Marie Richardson Aprn-Np.
Where is Heidi Farnum located?
Heidi Farnum practices at 1316 South Main Street, Clarion, IA 50525. The listed phone number is (515) 532-2811.
What is Heidi Farnum's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Heidi Farnum enrolled in Medicare?
Yes. Heidi Farnum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Heidi Farnum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heidi Farnum reassigns Medicare benefits to 2 organizations: Mason City Ambulatory Surgery Center, LLC (Mason City, IA) and Chi Health Clinic Physician Enterprise-Anesthesia LLC (Omaha, NE). 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 Heidi Farnum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heidi Farnum accept?
Health plans from Medica and Wellmark Health Plan of Iowa, Inc. list Heidi Farnum 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.
Is Heidi Farnum affiliated with any hospitals?
According to CMS data, Heidi Farnum is affiliated with Mercyone North Iowa Medical Center.
When was this NPI record last updated?
The NPPES record for Heidi Farnum was last updated on December 19, 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.
# Mrs. Heidi Marie Farnum, APRN-CRNA · NPI 1427281401
Nurse Anesthetist, Certified Registered physician in Clarion, Iowa. Individual provider, active in the CMS NPPES registry since August 25, 2009.
## Identity
- **NPI:** 1427281401 (Entity type: Individual)
- **Enumerated:** August 25, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** D153765 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1316 SOUTH MAIN STREET, Clarion, IA 50525-2019
- **Phone:** (515) 532-2811 · **Fax:** (515) 532-9245
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mason City Ambulatory Surgery Center, LLC (NPI 1689251720, Mason City, IA); Chi Health Clinic Physician Enterprise-Anesthesia LLC (NPI 1356858419, Omaha, NE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** December 19, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1427281401) · Data from the CMS NPPES public registry.