DAVID W.R. DIERKS D.O.
NPI 1457519191
Emergency Medicine in Davenport, IA
About David W.r. Dierks D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID W.R. DIERKS D.O. (NPI 1457519191) is an individual emergency medicine provider in Davenport, Iowa, licensed in Iowa (4042) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS.
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 (PECOS)
David W.r. Dierks D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show David Dierks reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Davenport, IA 52803
- Reassigned Medicare billing, Iowa enrollment
- 358 clinicians in this Medicare group
Maquoketa, IA 52060
- Reassigned Medicare billing, Iowa enrollment
- 43 clinicians in this Medicare group
Anamosa, IA 52205
- Reassigned Medicare billing, Iowa enrollment
- Medicare enrollment name: St Lukes Jones Regional Medical Center
- Also billed through NPI 1275015208 (Iowa)
- 56 clinicians in this Medicare group
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
- 45 clinicians in this Medicare group
Independence, IA 50644
- Reassigned Medicare billing, Iowa enrollment
- Medicare enrollment name: Peoples Memorial Hospital
- 91 clinicians in this Medicare group
Grundy Center, IA 50638
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1821055989 (Iowa)
- 62 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 3
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 52803 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 David Dierks's NPI number?
The NPI number for David Dierks is 1457519191. It was assigned to this individual provider in the NPPES registry on May 29, 2008.
Where is David Dierks located?
David Dierks practices at 1227 E Rusholme St, Davenport, IA 52803. The listed phone number is (563) 421-7701.
What is David Dierks's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is David Dierks enrolled in Medicare?
Yes. David Dierks is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Dierks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Dierks reassigns Medicare benefits to 6 organizations: Genesis Health System (Davenport, IA), Jackson County Public Hospital (Maquoketa, IA), St Luke's Jones Regional Medical Center (Anamosa, IA), East Central Iowa Acute Care, PLLC (Cedar Rapids, IA), People's Memorial Hospital (Independence, IA) and 1 more organization, 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 David Dierks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Dierks accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list David Dierks 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 David Dierks was last updated on April 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# David W.r. Dierks, D.O. · NPI 1457519191
Emergency Medicine physician in Davenport, Iowa. Individual provider, active in the CMS NPPES registry since May 29, 2008.
## Identity
- **NPI:** 1457519191 (Entity type: Individual)
- **Enumerated:** May 29, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4042 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1227 E RUSHOLME ST, Davenport, IA 52803-2459
- **Phone:** (563) 421-7701
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Genesis Health System (NPI 1528616901, Davenport, IA); Jackson County Public Hospital (NPI 1689705949, Maquoketa, IA); St Luke's Jones Regional Medical Center (NPI 1164514741, Anamosa, IA); East Central Iowa Acute Care, PLLC (NPI 1386611291, Cedar Rapids, IA); People's Memorial Hospital (NPI 1265595144, Independence, IA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1457519191) · Data from the CMS NPPES public registry.