1. Home
  2. Directory
  3. Tennessee
  4. Nashville
  5. Nurse Practitioner
  6. NPI Profile

SOPHIE KATHLYN UNGER AGACNP-BC
NPI 1841167897
Nurse Practitioner - Gerontology in Nashville, TN

Active since October 22, 2025PECOS EnrolledAccepts Medicare Assignment
3601 THE VANDERBILT CLINIC, NASHVILLE, TN 37232(615) 322-5000 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sophie Kathlyn Unger Agacnp-bc NPPES

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

SOPHIE KATHLYN UNGER AGACNP-BC (NPI 1841167897) is an individual gerontology provider in Nashville, Tennessee, licensed in Tennessee (39958) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains a secondary practice location in Nashville.

NPPES Registry Identity

NPI1841167897
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameSOPHIE KATHLYN UNGERCredential: AGACNP-BC
Location Address3601 THE VANDERBILT CLINICNashville, TN 37232-0001
Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691 · (615) 322-6842
Phone(615) 322-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 22, 2025
Last NPPES UpdateDecember 17, 2025
NPPES CertifiedDecember 17, 2025
✔ NPI 1841167897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in TN · 39958
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 39958 (TN)
3601 THE VANDERBILT CLINIC, Nashville, TN 37232
Open in Google Maps ↗

Secondary Practice Location 1

Location 11211 Medical Center DrNashville, TN 37232-0004 · Phone (615) 322-5000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Oscar Insurance Company.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

Sophie Kathlyn Unger 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 ID3375039506
PECOS Enrollment IDI20251226000909
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 Sophie Unger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vanderbilt University Medical Center
0.1 mi
Internal Medicine
1301 22ND AVE S
Nashville, TN 37232
  • Reassigned Medicare billing, Tennessee enrollment
  • 4,711 clinicians in this Medicare group
NPI 1104202761 (615) 936-2000

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.

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Physician 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.

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 20

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

DR. ENGLISH FLACK MD
Pediatrics (Pediatric Cardiology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DANIEL K BARRETT APRN
Nurse Practitioner (Acute Care)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
JACQUELYN L. GARNER PNP
Nurse Practitioner (Pediatrics)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. ROBERT JAMES LENTZ M.D.
Internal Medicine (Pulmonary Disease)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
LYNN HOLLIDAY M.D.
Family Medicine
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. HEATHER KRETH PSY.D
Psychologist (Clinical Child & Adolescent)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
AARON WESLEY SCOTT APN
Nurse Practitioner
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
DR. COLLEEN M KIERNAN M.D.
Surgery (Surgical Oncology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000

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 Sophie Unger's NPI number?

The NPI number for Sophie Unger is 1841167897. It was assigned to this individual provider in the NPPES registry on October 22, 2025.

Where is Sophie Unger located?

Sophie Unger practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-5000.

What is Sophie Unger's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Sophie Unger enrolled in Medicare?

Yes. Sophie Unger 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 Sophie Unger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sophie Unger 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 Sophie Unger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sophie Unger accept?

Health plans from BlueCross BlueShield of Tennessee and Oscar Insurance Company list Sophie Unger 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 Sophie Unger affiliated with any hospitals?

According to CMS data, Sophie Unger is affiliated with Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Sophie Unger was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.