ELIZABETH MCDONALD-ZWOYER
NPI 1861115610
Social Worker in Saint Louis, MO

Active since September 26, 2022PECOS Enrolled
4066 DUNNICA AVE, SAINT LOUIS, MO 63116(636) 224-1700 Get Directions Write a Review

NPPES record last updated: September 26, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Elizabeth Mcdonald-zwoyer NPPES

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

ELIZABETH MCDONALD-ZWOYER (NPI 1861115610) is an individual social worker in Saint Louis, Missouri, licensed in Missouri (2022017406) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1861115610
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameELIZABETH MCDONALD-ZWOYER
Location Address4066 DUNNICA AVESaint Louis, MO 63116-3510
Mailing Address1601 Old South River RdSaint Charles, MO 63303-4120 · (636) 224-1210 · Fax (636) 246-1008
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateSeptember 26, 2022
NPPES CertifiedSeptember 26, 2022
✔ NPI 1861115610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MO · 2022017406
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
4066 DUNNICA AVE, Saint Louis, MO 63116

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)

Elizabeth Mcdonald-zwoyer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9739685140
PECOS Enrollment IDI20251003003126
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 Reassignment

Medicare enrollment records show Elizabeth Mcdonald-zwoyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
121 HUNTER AVE STE 202
Clayton, MO 63124
  • Reassigned Medicare billing, Missouri enrollment
  • 9 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.

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.

Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Social Worker (Clinical)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Social Worker (Clinical)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Counselor (Professional)
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Registered Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116
Licensed Practical Nurse
4066 DUNNICA AVE
SAINT LOUIS, MO 63116

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 Elizabeth Mcdonald-zwoyer's NPI number?

The NPI number for Elizabeth Mcdonald-zwoyer is 1861115610. It was assigned to this individual provider in the NPPES registry on September 26, 2022.

Where is Elizabeth Mcdonald-zwoyer located?

Elizabeth Mcdonald-zwoyer practices at 4066 Dunnica Ave, Saint Louis, MO 63116. The listed phone number is (636) 224-1700.

What is Elizabeth Mcdonald-zwoyer's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Elizabeth Mcdonald-zwoyer enrolled in Medicare?

Yes. Elizabeth Mcdonald-zwoyer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Elizabeth Mcdonald-zwoyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Mcdonald-zwoyer reassigns Medicare benefits to The Center For Mental Wellness, LLC (Clayton, MO). 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 Elizabeth Mcdonald-zwoyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Mcdonald-zwoyer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Elizabeth Mcdonald-zwoyer 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 Elizabeth Mcdonald-zwoyer was last updated on September 26, 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.