DEBORAH A MAJERUS M.D.
NPI 1790759512
Internal Medicine - Cardiovascular Disease in Sioux City, IA
About Deborah A Majerus M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEBORAH A MAJERUS M.D. (NPI 1790759512) is an individual cardiovascular disease provider in Sioux City, Iowa, licensed in Iowa (MD-32430) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 20
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Deborah A Majerus M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Deborah Majerus reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux City, IA 51104
- Reassigned Medicare billing, Iowa enrollment
- 281 clinicians in this Medicare group
Ida Grove, IA 51445
- Reassigned Medicare billing, Iowa enrollment
- 39 clinicians in this Medicare group
Hartley, IA 51346
- Reassigned Medicare billing, Iowa enrollment
- 176 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51106 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.
SIOUX CITY, IA 51106
SIOUX CITY, IA 51106
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 Deborah Majerus's NPI number?
The NPI number for Deborah Majerus is 1790759512. It was assigned to this individual provider in the NPPES registry on February 16, 2006.
Where is Deborah Majerus located?
Deborah Majerus practices at 5885 Sunnybrook Dr Suite L-200, Sioux City, IA 51106. The listed phone number is (712) 239-4702.
What is Deborah Majerus's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Deborah Majerus enrolled in Medicare?
Yes. Deborah Majerus is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Deborah Majerus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Majerus reassigns Medicare benefits to 3 organizations: Northwest Iowa Hospital Corporation (Sioux City, IA), Ida County Iowa Community Hospital (Ida Grove, IA) and Spencer Municipal Hospital (Hartley, 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 Deborah Majerus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Deborah Majerus was last updated on October 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.