AMY EILEEN O'STEEN FNP-C
NPI 1407323439
Nurse Practitioner - Family in Nashville, TN
About Amy Eileen O'steen Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY EILEEN O'STEEN FNP-C (NPI 1407323439) is an individual family provider in Nashville, Tennessee, licensed in Tennessee (24944) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Amy Eileen O'steen 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 Reassignments
7Medicare enrollment records show Amy O'steen reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37232
- Reassigned Medicare billing, Tennessee enrollment
- 4,711 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 414 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 clinicians in this Medicare group
Goodlettsville, TN 37072
- Reassigned Medicare billing, Tennessee enrollment
- 734 clinicians in this Medicare group
Franklin, TN 37064
- Reassigned Medicare billing, Tennessee enrollment
- 298 clinicians in this Medicare group
Ketchikan, AK 99901
- Reassigned Medicare billing, Texas enrollment
- 33 clinicians in this Medicare group
Nome, AK 99762
- Reassigned Medicare billing, Alaska enrollment
- 193 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 4
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 37232 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.
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
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 Amy O'steen's NPI number?
The NPI number for Amy O'steen is 1407323439. It was assigned to this individual provider in the NPPES registry on October 29, 2018.
Where is Amy O'steen located?
Amy O'steen practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-3000.
What is Amy O'steen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amy O'steen enrolled in Medicare?
Yes. Amy O'steen 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 Amy O'steen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy O'steen reassigns Medicare benefits to 7 organizations: Vanderbilt University Medical Center (Nashville, TN), Emergency Medicine Services Of Tn, PC (Nashville, TN), Saint Thomas Medical Partners (Nashville, TN), Advanced Diagnostic Imaging, PC (Goodlettsville, TN), Vanderbilt Health And Williamson Medical Center Clinics And Services, (Franklin, TN) and 2 more organizations, listed in the Medicare section above. 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 Amy O'steen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy O'steen accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list Amy O'steen 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 Amy O'steen affiliated with any hospitals?
According to CMS data, Amy O'steen is affiliated with Vanderbilt University Medical Center.
When was this NPI record last updated?
The NPPES record for Amy O'steen was last updated on December 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Amy Eileen O'steen, FNP-C · NPI 1407323439
Family physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since October 29, 2018.
## Identity
- **NPI:** 1407323439 (Entity type: Individual)
- **Enumerated:** October 29, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 24944 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 THE VANDERBILT CLINIC, Nashville, TN 37232-2132
- **Phone:** (615) 322-3000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Vanderbilt University Medical Center (NPI 1104202761, Nashville, TN); Emergency Medicine Services Of Tn, PC (NPI 1720785884, Nashville, TN); Saint Thomas Medical Partners (NPI 1558506980, Nashville, TN); Advanced Diagnostic Imaging, PC (NPI 1093741464, Goodlettsville, TN); Vanderbilt Health And Williamson Medical Center Clinics And Services, (NPI 1225135551, Franklin, TN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** December 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1407323439) · Data from the CMS NPPES public registry.