ALEXIS MAE SEMMLER NP-C
NPI 1861965089
Nurse Practitioner in Hawarden, IA
About Alexis Mae Semmler Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXIS MAE SEMMLER NP-C (NPI 1861965089) is an individual nurse practitioner in Hawarden, Iowa, licensed in South Dakota (CP002478) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS, is affiliated with Avera Holy Family Hospital, and maintains 2 additional practice locations.
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
Alexis Mae Semmler Np-c 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
7Medicare enrollment records show Alexis Semmler reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rock Rapids, IA 51246
- Reassigned Medicare billing, Iowa and South Dakota enrollments
- Also billed through NPI 1154350064 (South Dakota), NPI 1295747608 (South Dakota)
- 71 clinicians in this Medicare group
Beresford, SD 57004
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1013921733 (South Dakota), NPI 1851305296 (South Dakota), NPI 1134140825 (South Dakota)
- 422 clinicians in this Medicare group
Sioux City, IA 51101
- Reassigned Medicare billing, Iowa enrollment
- 42 clinicians in this Medicare group
Pipestone, MN 56164
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: Pipestone County Medical Center
- Also billed through NPI 1598751240 (Minnesota)
- 71 clinicians in this Medicare group
Estherville, IA 51334
- Reassigned Medicare billing, Iowa enrollment
- 65 clinicians in this Medicare group
Atlantic, IA 50022
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1093760944 (Iowa)
- 112 clinicians in this Medicare group
Cresco, IA 52136
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1417991316 (Iowa)
- 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avera Holy Family Hospital
Critical Access Hospitals · Estherville, IASanford Clear Lake Medical Center
Critical Access Hospitals · Clear Lake, SDAvera Dells Area Hospital - Cah
Critical Access Hospitals · Dell Rapids, SDSanford Vermillion Hospital
Critical Access Hospitals · Vermillion, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51023 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.
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 Alexis Semmler's NPI number?
The NPI number for Alexis Semmler is 1861965089. It was assigned to this individual provider in the NPPES registry on January 10, 2019.
Where is Alexis Semmler located?
Alexis Semmler practices at 1111 11th St, Hawarden, IA 51023. The listed phone number is (712) 551-3100.
What is Alexis Semmler's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alexis Semmler enrolled in Medicare?
Yes. Alexis Semmler 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 Alexis Semmler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Semmler reassigns Medicare benefits to 7 organizations: Avera Mckennan (Rock Rapids, IA), Sanford Health Network (Beresford, SD), Woodbury Emergency Group, PC (Sioux City, IA), Pipestone County Medical Center Avera (Pipestone, MN), Avera Holy Family (Estherville, IA) and 2 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 Alexis Semmler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexis Semmler accept?
Health plans from Avera Health Plans, Oscar Insurance Company, Sanford Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Alexis Semmler 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 Alexis Semmler affiliated with any hospitals?
According to CMS data, Alexis Semmler is affiliated with Avera Holy Family Hospital, Sanford Clear Lake Medical Center, Avera Dells Area Hospital - Cah and Sanford Vermillion Hospital.
When was this NPI record last updated?
The NPPES record for Alexis Semmler was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Alexis Mae Semmler, NP-C · NPI 1861965089
Nurse Practitioner physician in Hawarden, Iowa. Individual provider, active in the CMS NPPES registry since January 10, 2019.
## Identity
- **NPI:** 1861965089 (Entity type: Individual)
- **Enumerated:** January 10, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** CP002478 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1111 11TH ST, Hawarden, IA 51023-1903
- **Phone:** (712) 551-3100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Avera Mckennan (NPI 1003389206, Rock Rapids, IA); Sanford Health Network (NPI 1043231905, Beresford, SD); Woodbury Emergency Group, PC (NPI 1447813316, Sioux City, IA); Pipestone County Medical Center Avera (NPI 1275946485, Pipestone, MN); Avera Holy Family (NPI 1508810177, Estherville, IA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** November 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861965089) · Data from the CMS NPPES public registry.