MARY ANN HALL APRN
NPI 1265934186
Nurse Practitioner - Acute Care in Lexington, KY
About Mary Ann Hall Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ANN HALL APRN (NPI 1265934186) is an individual acute care provider in Lexington, Kentucky, licensed in Kentucky (3011134) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Kentucky Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 3
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
Mary Ann Hall Aprn 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 Mary Hall reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lexington, KY 40536
- Reassigned Medicare billing, Kentucky enrollment
- 1,761 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.
University Of Kentucky Hospital
Acute Care Hospitals · Lexington, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40536 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.
LEXINGTON, KY 40536
LEXINGTON, KY 40536
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 Mary Hall's NPI number?
The NPI number for Mary Hall is 1265934186. It was assigned to this individual provider in the NPPES registry on March 7, 2018.
Where is Mary Hall located?
Mary Hall practices at 800 Rose St, Lexington, KY 40536. The listed phone number is (859) 257-1000.
What is Mary Hall's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Mary Hall enrolled in Medicare?
Yes. Mary Hall 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 Mary Hall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Hall reassigns Medicare benefits to University Of Kentucky (Lexington, KY). 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 Mary Hall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Hall accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter of Tennessee list Mary Hall 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 Mary Hall affiliated with any hospitals?
According to CMS data, Mary Hall is affiliated with University Of Kentucky Hospital.
When was this NPI record last updated?
The NPPES record for Mary Hall was last updated on October 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Mary Ann Hall, APRN · NPI 1265934186
Acute Care physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since March 7, 2018.
## Identity
- **NPI:** 1265934186 (Entity type: Individual)
- **Enumerated:** March 7, 2018
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 3011134 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 ROSE ST, Lexington, KY 40536-7001
- **Phone:** (859) 257-1000 · **Fax:** (859) 218-7658
## 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:** University Of Kentucky (NPI 1518911338, Lexington, KY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1265934186) · Data from the CMS NPPES public registry.