MS. MAY GRACE VILLAVICENCIO FILLE AGNP
NPI 1689406811
Nurse Practitioner - Gerontology in Saint Louis, MO
About Ms. May Grace Villavicencio Fille Agnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MAY GRACE VILLAVICENCIO FILLE AGNP (NPI 1689406811) is an individual gerontology provider in Saint Louis, Missouri, licensed in Missouri (2023031635) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ms. May Grace Villavicencio Fille Agnp 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 May Grace Fille reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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.
Physician 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
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 May Grace Fille's NPI number?
The NPI number for May Grace Fille is 1689406811. It was assigned to this individual provider in the NPPES registry on August 16, 2024.
Where is May Grace Fille located?
May Grace Fille practices at 10 Barnes West Dr Div Im Hematology, Ste 200, Saint Louis, MO 63141. The listed phone number is (314) 362-7216.
What is May Grace Fille's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is May Grace Fille enrolled in Medicare?
Yes. May Grace Fille 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 May Grace Fille's services?
According to the CMS Revalidation Reassignment List (October 2026 release), May Grace Fille reassigns Medicare benefits to Washington University (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 May Grace Fille's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does May Grace Fille accept?
Health plans from UnitedHealthcare list May Grace Fille 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 May Grace Fille was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Ms. May Grace Villavicencio Fille, AGNP · NPI 1689406811
Gerontology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 16, 2024.
## Identity
- **NPI:** 1689406811 (Entity type: Individual)
- **Enumerated:** August 16, 2024
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 2023031635 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 BARNES WEST DR, DIV IM HEMATOLOGY, STE 200, Saint Louis, MO 63141-6287
- **Phone:** (314) 362-7216 · **Fax:** (314) 362-8813
## 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:** Washington University (NPI 1992746903, 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:** May 1, 2025
- **Other identifiers:** Medicaid 420156260 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1689406811) · Data from the CMS NPPES public registry.