KATHERINE ANETA MARCINIEC DO
NPI 1699404707
Emergency Medicine in Iowa City, IA
About Katherine Aneta Marciniec Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE ANETA MARCINIEC DO (NPI 1699404707) is an individual emergency medicine provider in Iowa City, Iowa, licensed in Iowa (R-12617) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with West Suburban Medical Center, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2022).
NPPES Registry Identity
Specialties & Licenses
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
Katherine Aneta Marciniec Do 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
5Medicare enrollment records show Katherine Marciniec reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Davenport, IA 52804
- Reassigned Medicare billing, Iowa enrollment
- 138 clinicians in this Medicare group
Waterloo, IA 50703
- Reassigned Medicare billing, Iowa enrollment
- 273 clinicians in this Medicare group
Marshalltown, IA 50158
- Reassigned Medicare billing, Iowa enrollment
- 214 clinicians in this Medicare group
Bolingbrook, IL 60440
- Reassigned Medicare billing, Illinois enrollment
- 187 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- 83 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
West Suburban Medical Center
Acute Care Hospitals · Oak Park, ILAdventist La Grange Memorial Hospital
Acute Care Hospitals · La Grange, ILAdventist Hinsdale Hospital
Acute Care Hospitals · Hinsdale, ILUchicago Medicine Adventhealth Bolingbrook
Acute Care Hospitals · Bolingbrook, ILTrinity - Bettendorf
Acute Care Hospitals · Bettendorf, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52242 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.
IOWA CITY, IA 52242
IOWA CITY, IA 52242
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 Katherine Marciniec's NPI number?
The NPI number for Katherine Marciniec is 1699404707. It was assigned to this individual provider in the NPPES registry on June 6, 2022.
Where is Katherine Marciniec located?
Katherine Marciniec practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 384-6511.
What is Katherine Marciniec's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Katherine Marciniec enrolled in Medicare?
Yes. Katherine Marciniec 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 Katherine Marciniec's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Marciniec reassigns Medicare benefits to 5 organizations: Trinity Medical Center (Davenport, IA), Allen Memorial Hospital Corporation (Waterloo, IA), Unitypoint Health - Marshalltown (Marshalltown, IA), Illinois Emergency Medicine Specialists, LLC (Bolingbrook, IL) and Iems Physician Services PLLC (Urbana, IL). 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 Katherine Marciniec's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Marciniec accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Katherine Marciniec 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 Katherine Marciniec affiliated with any hospitals?
According to CMS data, Katherine Marciniec is affiliated with West Suburban Medical Center, Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital, Uchicago Medicine Adventhealth Bolingbrook and Trinity - Bettendorf.
When was this NPI record last updated?
The NPPES record for Katherine Marciniec was last updated on June 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Katherine Aneta Marciniec, DO · NPI 1699404707
Emergency Medicine physician in Iowa City, Iowa. Individual provider, active in the CMS NPPES registry since June 6, 2022.
## Identity
- **NPI:** 1699404707 (Entity type: Individual)
- **Enumerated:** June 6, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** R-12617 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 HAWKINS DR, Iowa City, IA 52242-1009
- **Phone:** (319) 384-6511
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Trinity Medical Center (NPI 1184644783, Davenport, IA); Allen Memorial Hospital Corporation (NPI 1346292521, Waterloo, IA); Unitypoint Health - Marshalltown (NPI 1164957593, Marshalltown, IA); Illinois Emergency Medicine Specialists, LLC (NPI 1003150962, Bolingbrook, IL); Iems Physician Services PLLC (NPI 1790544047, Urbana, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Des Moines University Of Osteopathic Medicine And Health Sciences, class of 2022
## Record status
- **NPPES last updated:** June 6, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1699404707) · Data from the CMS NPPES public registry.