DR. CATHERINE MERNA MD
NPI 1497281828
Otolaryngology in Dakota Dunes, SD
About Dr. Catherine Merna Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE MERNA MD (NPI 1497281828) is an individual otolaryngology provider in Dakota Dunes, South Dakota, licensed in South Dakota (17065) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and maintains a secondary practice location in Sioux City.
NPPES Registry Identity
Specialties & Licenses
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
Dr. Catherine Merna Md 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 Catherine Merna reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dakota Dunes, SD 57049
- Reassigned Medicare billing, Iowa and South Dakota enrollments
- 13 clinicians in this Medicare group
Le Mars, IA 51031
- Reassigned Medicare billing, Iowa enrollment
- 51 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.
St Lukes Regional Medical Center
Acute Care Hospitals · Sioux City, IABurgess Health Center
Critical Access Hospitals · Onawa, IAFloyd Valley Healthcare
Critical Access Hospitals · Le Mars, IADunes Surgical Hospital
Acute Care Hospitals · Dakota Dunes, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57049 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 5
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 Catherine Merna's NPI number?
The NPI number for Catherine Merna is 1497281828. It was assigned to this individual provider in the NPPES registry on May 4, 2017.
Where is Catherine Merna located?
Catherine Merna practices at 101 Tower Rd Ste 120, Dakota Dunes, SD 57049. The listed phone number is (605) 217-4320.
What is Catherine Merna's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Catherine Merna enrolled in Medicare?
Yes. Catherine Merna 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 Catherine Merna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Merna reassigns Medicare benefits to 2 organizations: Ear Nose And Throat Consultants And Hearing Services Plc (Dakota Dunes, SD) and Floyd Valley Healthcare (Le Mars, IA). 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 Catherine Merna's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Merna accept?
Health plans from Avera Health Plans, Oscar Health, Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. and 1 other insurer list Catherine Merna 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 Catherine Merna affiliated with any hospitals?
According to CMS data, Catherine Merna is affiliated with St Lukes Regional Medical Center, Burgess Health Center, Floyd Valley Healthcare and Dunes Surgical Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Merna was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Catherine Merna, MD · NPI 1497281828
Otolaryngology physician in Dakota Dunes, South Dakota. Individual provider, active in the CMS NPPES registry since May 4, 2017.
## Identity
- **NPI:** 1497281828 (Entity type: Individual)
- **Enumerated:** May 4, 2017
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 17065 (South Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 TOWER RD STE 120, Dakota Dunes, SD 57049-5011
- **Phone:** (605) 217-4320 · **Fax:** (605) 217-2948
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ear Nose And Throat Consultants And Hearing Services Plc (NPI 1114141546, Dakota Dunes, SD); Floyd Valley Healthcare (NPI 1104988294, Le Mars, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1497281828) · Data from the CMS NPPES public registry.