OLIVIA JACQUELYN WARNER FNP-C
NPI 1275412033
Nurse Practitioner - Family in Chester, MD
About Olivia Jacquelyn Warner Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA JACQUELYN WARNER FNP-C (NPI 1275412033) is an individual family provider in Chester, Maryland, licensed in Maryland (R223054) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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
Olivia Jacquelyn Warner 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 Olivia Warner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chester, MD 21619
- Reassigned Medicare billing, Maryland enrollment
- 87 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 21619 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 3
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 Olivia Warner's NPI number?
The NPI number for Olivia Warner is 1275412033. It was assigned to this individual provider in the NPPES registry on August 27, 2025.
Where is Olivia Warner located?
Olivia Warner practices at 25 Kent Town Market, Chester, MD 21619. The listed phone number is (667) 343-9501.
What is Olivia Warner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Olivia Warner enrolled in Medicare?
Yes. Olivia Warner 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 Olivia Warner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Warner reassigns Medicare benefits to Umms Ambulatory Care LLC (Chester, MD). 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 Olivia Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Olivia Warner was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Olivia Jacquelyn Warner, FNP-C · NPI 1275412033
Family physician in Chester, Maryland. Individual provider, active in the CMS NPPES registry since August 27, 2025.
## Identity
- **NPI:** 1275412033 (Entity type: Individual)
- **Enumerated:** August 27, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R223054 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 KENT TOWN MARKET, Chester, MD 21619-2632
- **Phone:** (667) 343-9501
## 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:** Umms Ambulatory Care LLC (NPI 1801554829, Chester, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** October 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1275412033) · Data from the CMS NPPES public registry.