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ALEXANDRA NICOLE KELLER AGACNP-BC
NPI 1487455853
Nurse Practitioner - Acute Care in Smyrna, TN

Active since March 21, 2025PECOS EnrolledAccepts Medicare Assignment
13181 OLD NASHVILLE HWY STE 150, SMYRNA, TN 37167(615) 355-5105 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 21, 2026, Jan 23, 2026, Jan 15, 2026 and 2 more (5 updates tracked since 2025).

About Alexandra Nicole Keller Agacnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDRA NICOLE KELLER AGACNP-BC (NPI 1487455853) is an individual acute care provider in Smyrna, Tennessee, licensed in Tennessee (38216) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS, is affiliated with Tristar Skyline Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1487455853
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameALEXANDRA NICOLE KELLERCredential: AGACNP-BC
Location Address13181 OLD NASHVILLE HWY STE 150Smyrna, TN 37167-4034
Mailing Address13181 Old Nashville Hwy Ste 150Smyrna, TN 37167-4034 · (615) 355-5105 · Fax (615) 355-5195
Phone(615) 355-5105
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMarch 21, 2025
Last NPPES UpdateAugust 21, 20265 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
✔ NPI 1487455853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TN · 38216
13181 OLD NASHVILLE HWY STE 150, Smyrna, TN 37167
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1110 Glancy St Ste 201Goodlettsville, TN 37072-2313 · Phone (615) 355-5105 · Fax (615) 355-5195
Location 22250 Thornton Taylor Pkwy Ste BFayetteville, TN 37334-3651 · Phone (615) 355-5105 · Fax (615) 355-5195
Location 31940 N Jackson St Ste 150Tullahoma, TN 37388-8257 · Phone (615) 355-5105 · Fax (615) 355-5195

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.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

Alexandra Nicole Keller Agacnp-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.

PECOS PAC ID5991228678
PECOS Enrollment IDI20250403000619
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexandra Keller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advanced Diagnostic Imaging, PC
26 mi
Internal Medicine
3024 BUSINESS PARK CIR
Goodlettsville, TN 37072
  • Reassigned Medicare billing, Tennessee enrollment
  • 734 clinicians in this Medicare group
NPI 1093741464 (615) 239-2061

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

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tristar Skyline Medical Center

Acute Care Hospitals · Nashville, TN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440006
Location3441 Dickerson PikeNashville, TN 37207 · Davidson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37167 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTA DELAINE GESSLER NP
Nurse Practitioner (Family)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
JAHRUL ISLAM M.D.
Internal Medicine (Pulmonary Disease)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
COURTNEY BROADBENT WILKINS FNP-C
Nurse Practitioner (Family)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
RACHEL MICHELE DENEVE PA
Physician Assistant
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
BAILIE HARRIS NP
Nurse Practitioner (Family)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
SMYRNA PULMONARY AND SLEEP ASSOCIATES PLLC
Internal Medicine (Pulmonary Disease)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
FERNANDO FIGUEROA RODRIGUEZ MD
Internal Medicine (Pulmonary Disease)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105
HAILEY DIANA BURTON FNP-C
Nurse Practitioner (Family)
13181 OLD NASHVILLE HWY STE 150
SMYRNA, TN 37167
Rutherford County (615) 355-5105

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 Alexandra Keller's NPI number?

The NPI number for Alexandra Keller is 1487455853. It was assigned to this individual provider in the NPPES registry on March 21, 2025.

Where is Alexandra Keller located?

Alexandra Keller practices at 13181 Old Nashville Hwy Ste 150, Smyrna, TN 37167. The listed phone number is (615) 355-5105.

What is Alexandra Keller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Alexandra Keller enrolled in Medicare?

Yes. Alexandra Keller 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 Alexandra Keller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Keller reassigns Medicare benefits to Advanced Diagnostic Imaging, PC (Goodlettsville, 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 Alexandra Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Keller accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list Alexandra Keller 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 Alexandra Keller affiliated with any hospitals?

According to CMS data, Alexandra Keller is affiliated with Tristar Skyline Medical Center.

When was this NPI record last updated?

The NPPES record for Alexandra Keller was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.