ELIZABETH VOLLMAR FNP-C
NPI 1124490107
Nurse Practitioner in O Fallon, MO
About Elizabeth Vollmar Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH VOLLMAR FNP-C (NPI 1124490107) is an individual nurse practitioner in O Fallon, Missouri, licensed in Missouri (2015037598) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
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
Elizabeth Vollmar Fnp-c 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 Reassignment
Medicare enrollment records show Elizabeth Vollmar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
O Fallon, MO 63366
- Reassigned Medicare billing, Missouri enrollment
- 697 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm St Joseph Health Center
Acute Care Hospitals · Saint Charles, MOSsm St Joseph Hospital West
Acute Care Hospitals · Lake Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63366 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 Elizabeth Vollmar's NPI number?
The NPI number for Elizabeth Vollmar is 1124490107. It was assigned to this individual provider in the NPPES registry on October 29, 2015.
Where is Elizabeth Vollmar located?
Elizabeth Vollmar practices at 1101 Highway K, O Fallon, MO 63366. The listed phone number is (636) 379-6363.
What is Elizabeth Vollmar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Elizabeth Vollmar enrolled in Medicare?
Yes. Elizabeth Vollmar 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 organization bills Medicare for Elizabeth Vollmar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Vollmar reassigns Medicare benefits to Ssm Medical Group, Inc. (O Fallon, 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 Vollmar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Vollmar accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica and Oscar Insurance Company list Elizabeth Vollmar 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 Elizabeth Vollmar affiliated with any hospitals?
According to CMS data, Elizabeth Vollmar is affiliated with Ssm St Joseph Health Center and Ssm St Joseph Hospital West.
When was this NPI record last updated?
The NPPES record for Elizabeth Vollmar was last updated on January 18, 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.
# Elizabeth Vollmar, FNP-C · NPI 1124490107
Nurse Practitioner physician in O Fallon, Missouri. Individual provider, active in the CMS NPPES registry since October 29, 2015.
## Identity
- **NPI:** 1124490107 (Entity type: Individual)
- **Enumerated:** October 29, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2015037598 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1101 HIGHWAY K, O Fallon, MO 63366-8431
- **Phone:** (636) 379-6363
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ssm Medical Group, Inc. (NPI 1851896146, O Fallon, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1124490107) · Data from the CMS NPPES public registry.