DR. MARY HAAS DO
NPI 1255779054
Family Medicine in Ankeny, IA
About Dr. Mary Haas Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY HAAS DO (NPI 1255779054) is an individual family medicine provider in Ankeny, Iowa, licensed in Iowa (DO-04675) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Des Moines Iowa Methodist Medi, and maintains a secondary practice location in Iowa 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. Mary Haas 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
2Medicare enrollment records show Mary Haas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Des Moines, IA 50266
- Reassigned Medicare billing, Iowa enrollment
- 318 clinicians in this Medicare group
Perry, IA 50220
- Reassigned Medicare billing, Iowa enrollment
- 2,190 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 20
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unitypoint Health - Des Moines Iowa Methodist Medi
Acute Care Hospitals · Des Moines, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50023 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANKENY, IA 50023
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 Mary Haas's NPI number?
The NPI number for Mary Haas is 1255779054. It was assigned to this individual provider in the NPPES registry on June 13, 2013.
Where is Mary Haas located?
Mary Haas practices at 1410 SW Tradition Dr Ste 120, Ankeny, IA 50023. The listed phone number is (515) 875-9040.
What is Mary Haas's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Haas enrolled in Medicare?
Yes. Mary Haas 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 Mary Haas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Haas reassigns Medicare benefits to 2 organizations: The Iowa Clinic PC (West Des Moines, IA) and State University Of Iowa (Perry, 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 Mary Haas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Haas accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Mary Haas 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 Mary Haas affiliated with any hospitals?
According to CMS data, Mary Haas is affiliated with Unitypoint Health - Des Moines Iowa Methodist Medi.
When was this NPI record last updated?
The NPPES record for Mary Haas was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.