MRS. HILARY CHRISTINE VON HOFFMANN AG-ACNP, BC
NPI 1740905868
Nurse Practitioner - Gerontology in Saint Louis, MO
About Mrs. Hilary Christine Von Hoffmann Ag-acnp, Bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HILARY CHRISTINE VON HOFFMANN AG-ACNP, BC (NPI 1740905868) is an individual gerontology provider in Saint Louis, Missouri, licensed in Missouri (2022041013) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
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
Mrs. Hilary Christine Von Hoffmann Ag-acnp, Bc 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 Hilary Von Hoffmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 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
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.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 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.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Hilary Von Hoffmann's NPI number?
The NPI number for Hilary Von Hoffmann is 1740905868. It was assigned to this individual provider in the NPPES registry on October 11, 2022. The provider is also known as Ms. Hilary Christine Mittrucker Ag-Acnp, Bc.
Where is Hilary Von Hoffmann located?
Hilary Von Hoffmann practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6339.
What is Hilary Von Hoffmann's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Hilary Von Hoffmann enrolled in Medicare?
Yes. Hilary Von Hoffmann 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 Hilary Von Hoffmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Von Hoffmann reassigns Medicare benefits to Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, 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 Hilary Von Hoffmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hilary Von Hoffmann affiliated with any hospitals?
According to CMS data, Hilary Von Hoffmann is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Hilary Von Hoffmann was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Hilary Christine Von Hoffmann, AG-ACNP, BC · NPI 1740905868
Gerontology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since October 11, 2022.
## Identity
- **NPI:** 1740905868 (Entity type: Individual)
- **Enumerated:** October 11, 2022
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 2022041013 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (314) 251-6339
## 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:** Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1740905868) · Data from the CMS NPPES public registry.