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BRENNAN JOSEPH DOWNEY LCSW
NPI 1245887215
Social Worker - Clinical in Knoxville, TN

Active since August 23, 2019PECOS EnrolledAccepts Medicare Assignment
538 W 5TH AVE, KNOXVILLE, TN 37917(865) 525-2104(865) 525-2212 Get Directions Write a Review

NPPES record last updated: April 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 10, 2023, Aug 26, 2020, Aug 23, 2019 (3 updates tracked since 2019).

About Brennan Joseph Downey Lcsw NPPES

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

BRENNAN JOSEPH DOWNEY LCSW (NPI 1245887215) is an individual clinical provider in Knoxville, Tennessee, licensed in (LSW8496) and active in the NPI registry since August 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2020).

NPPES Registry Identity

NPI1245887215
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameBRENNAN JOSEPH DOWNEYCredential: LCSW
Location Address538 W 5TH AVEKnoxville, TN 37917-7109
Mailing Address1923 Sulphur Springs RdMorristown, TN 37813-5654 · (423) 317-9344 · Fax (423) 714-2355
Phone(865) 525-2104
Fax(865) 525-2212
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2020
Enumeration DateAugust 23, 2019
Last NPPES UpdateApril 10, 20233 updates tracked since enumeration
NPPES CertifiedApril 10, 2023
✔ NPI 1245887215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed · LSW8496
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 12957 (TN)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
538 W 5TH AVE, Knoxville, TN 37917
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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

Brennan Joseph Downey Lcsw 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 ID9032574991
PECOS Enrollment IDI20240402004432
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 Reassignments

2

Medicare enrollment records show Brennan Downey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cherokee Health Systems
33 mi
Federally Qualified Health Center (FQHC)
6350 W ANDREW JOHNSON HWY
Talbott, TN 37877
  • Reassigned Medicare billing, Tennessee enrollment
  • 257 clinicians in this Medicare group
NPI 1134128820 (423) 587-7337
Henrico Area Mental Heatlh And Developmental Services
375 mi
Mental Health (Including Community Mental Health Center)
10299 WOODMAN RD
Glen Allen, VA 23060
  • Reassigned Medicare billing, Virginia enrollment
  • 84 clinicians in this Medicare group
NPI 1023119773 (804) 727-8500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37917 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
$0.00 typical visit price
range $52.64 – $160.89
Typical copayment $0.00 (range $13.16 – $40.22)
Most-billed visit code NA
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
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.

CAITLIN KETELSEN
Case Manager/Care Coordinator
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
ELIZABETH PORTER MSSW
Case Manager/Care Coordinator
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
KEIOSHANNA SEMAJ JAMES
Nurse's Aide
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
MELISSA KAY COOPER B.A.
Case Manager/Care Coordinator
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
CAYLA ELIZABETH TRIOLA
Technician, Pathology (Phlebotomy)
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
CRISTY ANN SEWELL
Nurse's Aide
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
MARIKO JHUVHEL NERI-FEINBERG
Nurse's Aide
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104
SIERRA DESIREE ECCLES LPN
Licensed Practical Nurse
538 W 5TH AVE
KNOXVILLE, TN 37917
Knox County (865) 525-2104

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 Brennan Downey's NPI number?

The NPI number for Brennan Downey is 1245887215. It was assigned to this individual provider in the NPPES registry on August 23, 2019.

Where is Brennan Downey located?

Brennan Downey practices at 538 W 5th Ave, Knoxville, TN 37917. The listed phone number is (865) 525-2104.

What is Brennan Downey's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Brennan Downey enrolled in Medicare?

Yes. Brennan Downey 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 Brennan Downey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brennan Downey reassigns Medicare benefits to 2 organizations: Cherokee Health Systems (Talbott, TN) and Henrico Area Mental Heatlh And Developmental Services (Glen Allen, VA). 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 Brennan Downey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Brennan Downey was last updated on April 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.