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CATHERINE VANMILLIGEN DO
NPI 1427543941
Psychiatry & Neurology - Psychiatry in Des Moines, IA

Active since June 27, 2018PECOS EnrolledAccepts Medicare Assignment
1111 6TH AVE # W3, DES MOINES, IA 50314(515) 643-8350(515) 643-5824 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 11, 2026, Dec 27, 2024, Sep 25, 2022 and 1 more (4 updates tracked since 2018).

About Catherine Vanmilligen Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CATHERINE VANMILLIGEN DO (NPI 1427543941) is an individual psychiatry provider in Des Moines, Iowa, licensed in Iowa (DO-05668) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa (2018).

NPPES Registry Identity

NPI1427543941
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameCATHERINE VANMILLIGENCredential: DO
Location Address1111 6TH AVE # W3Des Moines, IA 50314-2610
Mailing AddressPo Box 1475Des Moines, IA 50305-1475 · (515) 643-8350 · Fax (515) 643-5824
Phone(515) 643-8350
Fax(515) 643-5824
Sole ProprietorNo
Medical School CMSAt Still Un Of Hlth Sciences, Col Of Osteo Med, MesaGraduated 2018
Enumeration DateJune 27, 2018
Last NPPES UpdateAugust 11, 20264 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1427543941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in IA · DO-05668✔ Licensed in IA · R-11379
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1111 6TH AVE # W3, Des Moines, IA 50314
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Other Names 1

Former Name (1)Catherine Porter

Secondary Practice Locations 2

Location 11111 6th AveDes Moines, IA 50314-2613 · Phone (515) 643-2682 · Fax (515) 643-5802
Location 21409 Clark StDes Moines, IA 50314-1916 · Phone (515) 643-6500

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.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

Catherine Vanmilligen 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.

PECOS PAC ID2163778036
PECOS Enrollment IDI20210610000665
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Catherine Vanmilligen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinics, Inc
Same address
Neurology
1111 6TH AVE, EAST TOWER SUITE A100
Des Moines, IA 50314
  • Reassigned Medicare billing, Iowa enrollment
  • 516 clinicians in this Medicare group
NPI 1003096405 (515) 358-0011
House Of Mercy
0.8 mi
Substance Abuse Rehabilitation Facility
1409 CLARK ST
Des Moines, IA 50314
  • Reassigned Medicare billing, Iowa enrollment
  • 7 clinicians in this Medicare group
NPI 1821155284 (515) 643-6500
Compass Clinical Associates PLLC
5.8 mi
Social Worker
2500 82ND PLACE
Urbandale, IA 50322
  • Reassigned Medicare billing, Iowa enrollment
  • 42 clinicians in this Medicare group
NPI 1295081941 (515) 412-5112
Southeast Iowa Regional Medical Center, Inc.
139 mi
General Practice
1221 S GEAR AVE
West Burlington, IA 52655
  • Reassigned Medicare billing, Iowa enrollment
  • 253 clinicians in this Medicare group
NPI 1164433884 (319) 768-3626

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 50314 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.40 typical visit price
range $52.96 – $161.40
Typical copayment $40.35 (range $13.24 – $40.35)
Most-billed visit code 99205
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MERCY CLINICS, INC.
Psychiatry & Neurology (Psychiatry)
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350
BREANNA DANAE YOUNG LMHC
Counselor (Mental Health)
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350
RESA KAY ECKHART LMFT
Marriage & Family Therapist
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350
JORDYN RETH LISW
Social Worker (Clinical)
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350
SOPHIA KANG MD
Psychiatry & Neurology (Psychiatry)
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350
KATHRYN ELIZABETH FOLTZ DNP
Nurse Practitioner (Psychiatric/Mental Health)
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350
MYLES H ANDERSON DO
Psychiatry & Neurology (Psychiatry)
1111 6TH AVE # W3
DES MOINES, IA 50314
Polk County (515) 643-8350

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 Catherine Vanmilligen's NPI number?

The NPI number for Catherine Vanmilligen is 1427543941. It was assigned to this individual provider in the NPPES registry on June 27, 2018. The provider is also known as Catherine Porter.

Where is Catherine Vanmilligen located?

Catherine Vanmilligen practices at 1111 6th Ave # W3, Des Moines, IA 50314. The listed phone number is (515) 643-8350.

What is Catherine Vanmilligen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Catherine Vanmilligen enrolled in Medicare?

Yes. Catherine Vanmilligen 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 Catherine Vanmilligen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Vanmilligen reassigns Medicare benefits to 4 organizations: Mercy Clinics, Inc (Des Moines, IA), House Of Mercy (Des Moines, IA), Compass Clinical Associates PLLC (Urbandale, IA) and Southeast Iowa Regional Medical Center, Inc. (West Burlington, 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 Catherine Vanmilligen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Vanmilligen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 4 other insurers list Catherine Vanmilligen 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 Catherine Vanmilligen was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.