MARIYA NIKOLAEVNA BROCK APRN
NPI 1407675457
Nurse Practitioner - Acute Care in Lexington, KY
About Mariya Nikolaevna Brock Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIYA NIKOLAEVNA BROCK APRN (NPI 1407675457) is an individual acute care provider in Lexington, Kentucky, licensed in Kentucky (4027616) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, is affiliated with Saint Joseph Hospital, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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
Mariya Nikolaevna Brock 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 Reassignments
2Medicare enrollment records show Mariya Brock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, KY 40536
- Reassigned Medicare billing, Kentucky enrollment
- 1,761 clinicians in this Medicare group
Lexington, KY 40504
- Reassigned Medicare billing, Kentucky enrollment
- 250 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Joseph Hospital
Acute Care Hospitals · Lexington, KYSaint Joseph London
Acute Care Hospitals · London, KYSaint Joseph Mount Sterling
Acute Care Hospitals · Mount Sterling, 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 Mariya Brock's NPI number?
The NPI number for Mariya Brock is 1407675457. It was assigned to this individual provider in the NPPES registry on October 7, 2024.
Where is Mariya Brock located?
Mariya Brock practices at 800 Rose St, Lexington, KY 40536. The listed phone number is (859) 257-1000.
What is Mariya Brock's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Mariya Brock enrolled in Medicare?
Yes. Mariya Brock 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 organizations bill Medicare for Mariya Brock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariya Brock reassigns Medicare benefits to 2 organizations: University Of Kentucky (Lexington, KY) and Kentuckyone Health Medical Group, Inc. (Lexington, KY). Each 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 Mariya Brock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariya Brock accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter of Tennessee list Mariya Brock 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 Mariya Brock affiliated with any hospitals?
According to CMS data, Mariya Brock is affiliated with Saint Joseph Hospital, Saint Joseph London and Saint Joseph Mount Sterling.
When was this NPI record last updated?
The NPPES record for Mariya Brock was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Mariya Nikolaevna Brock, APRN · NPI 1407675457
Acute Care physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since October 7, 2024.
## Identity
- **NPI:** 1407675457 (Entity type: Individual)
- **Enumerated:** October 7, 2024
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4027616 (Kentucky)
- **Sole proprietor:** Yes
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Kentucky (NPI 1518911338, Lexington, KY); Kentuckyone Health Medical Group, Inc. (NPI 1104875970, Lexington, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** December 18, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1407675457) · Data from the CMS NPPES public registry.