MOLLIE WALLER DO
NPI 1891362661
Family Medicine in Oskaloosa, IA
About Mollie Waller Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOLLIE WALLER DO (NPI 1891362661) is an individual family medicine provider in Oskaloosa, Iowa, licensed in Iowa (DO-06272) and active in the NPI registry since June 2021. She 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)
Mollie Waller Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mollie Waller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oskaloosa, IA 52577
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1407869852 (Iowa)
- 111 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 52577 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.
OSKALOOSA, IA 52577
OSKALOOSA, IA 52577
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 Mollie Waller's NPI number?
The NPI number for Mollie Waller is 1891362661. It was assigned to this individual provider in the NPPES registry on June 9, 2021.
Where is Mollie Waller located?
Mollie Waller practices at 1229 C Ave E, Oskaloosa, IA 52577. The listed phone number is (641) 672-3360.
What is Mollie Waller's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mollie Waller enrolled in Medicare?
Yes. Mollie Waller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mollie Waller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mollie Waller reassigns Medicare benefits to Mahaska County Hospital (Oskaloosa, IA). The 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 Mollie Waller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mollie Waller accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Wellmark Health Plan of Iowa, Inc. list Mollie Waller 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 Mollie Waller was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mollie Waller, DO · NPI 1891362661
Family Medicine physician in Oskaloosa, Iowa. Individual provider, active in the CMS NPPES registry since June 9, 2021.
## Identity
- **NPI:** 1891362661 (Entity type: Individual)
- **Enumerated:** June 9, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** DO-06272 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1229 C AVE E, Oskaloosa, IA 52577-4246
- **Phone:** (641) 672-3360
## 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:** Mahaska County Hospital (NPI 1356320659, Oskaloosa, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891362661) · Data from the CMS NPPES public registry.