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NATIONAL ADDICTION SPECIALISTS LLC
NPI 1477186336
Internal Medicine - Addiction Medicine in Brentwood, TN

Active since February 19, 2020CLIA 44D2280611 · Waiver
5511 VIRGINIA WAY STE 300, BRENTWOOD, TN 37027(615) 994-9000(615) 994-0100 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 19, 2026, Aug 11, 2025, Jul 9, 2025 and 2 more (5 updates tracked since 2020).

About National Addiction Specialists Llc NPPES

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

NATIONAL ADDICTION SPECIALISTS LLC (NPI 1477186336), doing business as Nashville Addiction Specialists Llc, is a healthcare organization registered as an addiction medicine in Brentwood, Tennessee and active in the NPI registry since February 2020. The organization holds a CLIA Waiver certificate valid through April 22, 2027, maintains 8 additional practice locations, and lists Chad David Elkin, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1477186336
Entity TypeOrganization
Primary Taxonomy207RA0401X
Legal Business NameNATIONAL ADDICTION SPECIALISTS LLC
Location Address5511 VIRGINIA WAY STE 300Brentwood, TN 37027-7611
Mailing Address5511 Virginia Way Ste 300Brentwood, TN 37027-7611 · (615) 994-9000 · Fax (615) 994-1000
Phone(615) 994-9000
Fax(615) 994-0100
Organization SubpartNo
Authorized OfficialChad David ElkinAuthorized Official · (615) 994-1000
Enumeration DateFebruary 19, 2020
Last NPPES UpdateMarch 19, 20265 updates tracked since enumeration
NPPES CertifiedMarch 19, 2026
✔ NPI 1477186336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedFamily Medicine · Addiction MedicineTaxonomy 207QA0401X
Also ListedPreventive Medicine · Addiction MedicineTaxonomy 2083A0300X
Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X
5511 VIRGINIA WAY STE 300, Brentwood, TN 37027
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Other Names 1

Former Legal Business NameNashville Addiction Specialists Llc

Secondary Practice Locations 8

Location 18201 Arrowridge Blvd Ste 135Charlotte, NC 28273-5866 · Phone (980) 407-7336 · Fax (980) 407-7336
Location 215720 Brixham Hill Ave Ste 388Charlotte, NC 28277-4651 · Phone (980) 407-7336 · Fax (615) 994-0100
Location 3829 W Dr Martin Luther King Jr Blvd # 222Tampa, FL 33603-3301 · Phone (813) 957-0623 · Fax (615) 994-0100
Location 4249 Central Park Ave Ste 300-161Virginia Beach, VA 23462-3099 · Phone (757) 785-0500 · Fax (757) 785-0500
Location 57501 Fannin St Ste 702Houston, TX 77054-1938 · Phone (615) 994-1000 · Fax (615) 994-0100
Location 68875 Hidden Parkway, Ste 300, Office 329-2Tampa, FL 33637-2087 · Phone (615) 994-9000 · Fax (615) 994-0100
Location 73415 Greystone Dr Ste 102AAustin, TX 78731-2314 · Phone (737) 381-1717 · Fax (737) 381-1717
Location 83101 Lee HighwayBristol, VA 24201 · Phone (276) 967-6000 · Fax (615) 994-0100

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Blue Cross and Blue Shield of Texas, Cigna Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

National Addiction Specialists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

38

Medicare enrollment records show 38 clinicians reassign Medicare billing to National Addiction Specialists LLC, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Nurse Practitioner17
Mental Health Counselor11
Addiction Medicine4
Clinical Social Worker3
Emergency Medicine1
Internal Medicine1
Psychiatry1

Nearest to this location (20)

See all 38
Fredrick Anikwe, APRN
Nurse Practitioner
NPI 1295170025
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 994-1000
✔ PECOS✔ Accepts MedicareSame address
Melissa Cook, NP-C
Nurse Practitioner
NPI 1568494243
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 994-1000
✔ PECOS✔ Accepts MedicareSame address
Lacie Marable, CNM, NP-C
Nurse Practitioner
NPI 1053661587
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 994-1000
✔ PECOS✔ Accepts MedicareSame address
Osarugue Richards, NP
Nurse Practitioner
NPI 1467995613
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 692-1560
✔ PECOS✔ Accepts MedicareSame address
Katelyn Barr, NP
Nurse Practitioner
NPI 1902738842
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 994-1000
✔ PECOSSame address
Chad Elkin, M.D.
Addiction Medicine
NPI 1497970636
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 994-1000
✔ PECOSSame address
Jessica Holler, LADC II
Mental Health Counselor
NPI 1194662999
5511 VIRGINIA WAY STE 300
Brentwood, TN 37027
(615) 994-1000
✔ PECOSSame address
Jennifer Taylor, NP-C
Nurse Practitioner
NPI 1417209941
5511 VIRGINIA WAY SUITE 300
Brentwood, TN 37027
(615) 944-1000
✔ PECOS✔ Accepts MedicareSame address
Abigayle Dew, PMHNP, APRN, MSN
Nurse Practitioner
NPI 1255170221
210 JAMESTOWN PARK STE 100
Brentwood, TN 37027
(615) 640-9994
✔ PECOS0.2 mi
Elizabeth Holman
Mental Health Counselor
NPI 1114613874
641 OLD HICKORY BLVD UNIT 208
Brentwood, TN 37027
(615) 540-4402
✔ PECOS3.0 mi
Jerry Wilson, M.D.
Psychiatry
NPI 1740385483
2010 QUAIL HOLLOW CIR
Franklin, TN 37067
(615) 322-3000
✔ PECOS✔ Accepts Medicare8.3 mi
Angela Wentworth, APN
Nurse Practitioner
NPI 1265572689
275 CUMBERLAND BND
Nashville, TN 37228
(615) 726-3340
✔ PECOS11 mi
Jonathan Holiday, LADC II
Mental Health Counselor
NPI 1629849427
4330 FREEMARK DR
Smyrna, TN 37167
(615) 604-6988
✔ PECOS14 mi
Amy Dunn, FNP,PMHNP
Nurse Practitioner
NPI 1245851955
5080 FLORENCE RD
Murfreesboro, TN 37129
(615) 488-6244
✔ PECOS✔ Accepts Medicare21 mi
Kelly Roszak, PMHNP-BC
Nurse Practitioner
NPI 1992635510
1127 OLD EAST SIDE RD
Burns, TN 37029
(216) 235-1084
✔ PECOS✔ Accepts Medicare23 mi
Will Campbell, MA, MBA, LADAC II
Addiction Medicine
NPI 1972211266
999 GIRL SCOUT RD
Burns, TN 37029
(615) 570-4105
✔ PECOS25 mi
Andrew Sullivan, LADC
Mental Health Counselor
NPI 1982419636
208 UPTOWN SQ
Murfreesboro, TN 37129
(931) 486-8670
✔ PECOS27 mi
Linda Beecher, M.D.
Addiction Medicine
NPI 1376578971
1410 KENSINGTON SQUARE CT STE 104
Murfreesboro, TN 37130
(615) 962-7444
✔ PECOS29 mi
Mandy Alvarado
Mental Health Counselor
NPI 1760242838
250 STATE ST
Dickson, TN 37055
(615) 645-1141
✔ PECOS32 mi
Amanda Webb, PMHNP
Nurse Practitioner
NPI 1093494445
129 N LOCUST AVE
Lawrenceburg, TN 38464
(931) 762-7232
✔ PECOS✔ Accepts Medicare62 mi
See all 38 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 44D2280611

National Addiction Specialists, LLC · Brentwood, TN
Active · expires Apr 22, 2027
CLIA Number44D2280611
Laboratory TypePhysician Office
Certificate Effective DateApril 23, 2025
Certificate Expiration DateApril 22, 2027
Laboratory DirectorDr. Chad Elkin
Laboratory Phone(615) 994-1000
Laboratory LocationNational Addiction Specialists, LLC5511 Virginia Way Ste 300, Brentwood, TN 37027
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 National Addiction Specialists LLC's NPI number?

The NPI number for National Addiction Specialists LLC is 1477186336. It was assigned to this organization in the NPPES registry on February 19, 2020. The provider was formerly known as Nashville Addiction Specialists LLC.

Where is National Addiction Specialists LLC located?

National Addiction Specialists LLC is located at 5511 Virginia Way Ste 300, Brentwood, TN 37027. The listed phone number is (615) 994-9000.

What is National Addiction Specialists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is National Addiction Specialists LLC enrolled in Medicare?

Yes. National Addiction Specialists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through National Addiction Specialists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 38 clinicians in 7 Medicare specialties reassign their Medicare billing to National Addiction Specialists LLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (17), Mental Health Counselor (11) and Addiction Medicine (4). Of these, 8 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does National Addiction Specialists LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 44D2280611) is associated with this NPI, valid through April 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does National Addiction Specialists LLC accept?

Health plans from Blue Cross and Blue Shield of NC, Blue Cross and Blue Shield of Texas, Cigna HealthCare of Florida, Inc., Cigna Healthcare and WellPoint list National Addiction Specialists LLC 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.

When was this NPI record last updated?

The NPPES record for National Addiction Specialists LLC was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.