SHANNAN NICOLE LARSON CRNA
NPI 1750701009
Nurse Anesthetist, Certified Registered in Pella, IA
About Shannan Nicole Larson Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNAN NICOLE LARSON CRNA (NPI 1750701009) is an individual nurse anesthetist, certified registered in Pella, Iowa, licensed in Iowa (D133501) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Shannan Nicole Larson 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
11Medicare enrollment records show Shannan Larson reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pella, IA 50219
- Reassigned Medicare billing, Iowa enrollment
- 23 clinicians in this Medicare group
Knoxville, IA 50138
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1922087915 (Iowa)
- 156 clinicians in this Medicare group
Newton, IA 50208
- Reassigned Medicare billing, Iowa enrollment
- 18 clinicians in this Medicare group
Ankeny, IA 50023
- Reassigned Medicare billing, Iowa enrollment
- 27 clinicians in this Medicare group
West Des Moines, IA 50266
- Reassigned Medicare billing, Iowa enrollment
- 21 clinicians in this Medicare group
Perry, IA 50220
- Reassigned Medicare billing, Iowa enrollment
- 62 clinicians in this Medicare group
Jewell, IA 50130
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1497957351 (Iowa)
- 71 clinicians in this Medicare group
Mount Ayr, IA 50854
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1356490841 (Iowa)
- 33 clinicians in this Medicare group
Hampton, IA 50441
- Reassigned Medicare billing, Iowa enrollment
- 27 clinicians in this Medicare group
Humboldt, IA 50548
- Reassigned Medicare billing, Iowa enrollment
- 56 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50219 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PELLA, IA 50219
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 Shannan Larson's NPI number?
The NPI number for Shannan Larson is 1750701009. It was assigned to this individual provider in the NPPES registry on April 24, 2014.
Where is Shannan Larson located?
Shannan Larson practices at 404 Jefferson St, Pella, IA 50219. The listed phone number is (641) 628-6634.
What is Shannan Larson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Shannan Larson enrolled in Medicare?
Yes. Shannan Larson 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 Shannan Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannan Larson reassigns Medicare benefits to 11 organizations: Anesthesia Iowa Plc (Pella, IA), Knoxville Community Hospital Inc (Knoxville, IA), Mercy Medical Center-Newton (Newton, IA), M & M Anesthesia, LLC (Ankeny, IA), Ikc, LLC (West Des Moines, IA) and 6 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 Shannan Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shannan Larson accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Shannan Larson 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 Shannan Larson was last updated on October 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.