MRS. KAREN MICHELLE BROWN APRN, AG-PCNP-BC
NPI 1851802201
Nurse Practitioner - Adult Health in Nashville, TN
About Mrs. Karen Michelle Brown Aprn, Ag-pcnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KAREN MICHELLE BROWN APRN, AG-PCNP-BC (NPI 1851802201) is an individual adult health provider in Nashville, Tennessee, licensed in Tennessee (23363) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Mrs. Karen Michelle Brown Aprn, Ag-pcnp-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 Karen Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashville, TN 37232
- Reassigned Medicare billing, Tennessee enrollment
- 4,711 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 2
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.
Vanderbilt University Medical Center
Acute Care Hospitals · Nashville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37212
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 Karen Brown's NPI number?
The NPI number for Karen Brown is 1851802201. It was assigned to this individual provider in the NPPES registry on October 12, 2017.
Where is Karen Brown located?
Karen Brown practices at 1500 21st Ave S Ste 1506, Nashville, TN 37212. The listed phone number is (615) 322-7417.
What is Karen Brown's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Karen Brown enrolled in Medicare?
Yes. Karen Brown 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 Karen Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Brown reassigns Medicare benefits to Vanderbilt University Medical Center (Nashville, TN). 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 Karen Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Brown accept?
Health plans from Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee, Cigna Healthcare and Oscar Insurance Company list Karen Brown 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 Karen Brown affiliated with any hospitals?
According to CMS data, Karen Brown is affiliated with Vanderbilt University Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Brown was last updated on March 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Karen Michelle Brown, APRN, AG-PCNP-BC · NPI 1851802201
Adult Health physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since October 12, 2017.
## Identity
- **NPI:** 1851802201 (Entity type: Individual)
- **Enumerated:** October 12, 2017
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 23363 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 21ST AVE S STE 1506, Nashville, TN 37212-3137
- **Phone:** (615) 322-7417 · **Fax:** (615) 322-7596
## 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:** Vanderbilt University Medical Center (NPI 1104202761, Nashville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 21, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1851802201) · Data from the CMS NPPES public registry.