WILLIAMSON MEDICAL GROUP, LLC
NPI 1366872053
Internal Medicine in Franklin, TN

Q: What is Williamson Medical Group, LLC's NPI number?

The NPI number for Williamson Medical Group, LLC is 1366872053. It was assigned to this organization in the NPPES registry on November 18, 2013.

Q: What is Williamson Medical Group, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since November 18, 2013

4323 CAROTHERS PKWY, SUITE 505, FRANKLIN, TN 37067(615) 435-7780(615) 435-7789 Get Directions Write a Review

NPPES record last updated: November 18, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Williamson Medical Group, Llc NPPES

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

WILLIAMSON MEDICAL GROUP, LLC (NPI 1366872053) is a healthcare organization registered as an internal medicine in Franklin, Tennessee and active in the NPI registry since November 2013. The organization lists Lynn Harb, Manager, as its authorized official.

NPPES Registry Identity

NPI1366872053

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameWILLIAMSON MEDICAL GROUP, LLC

Location Address4323 CAROTHERS PKWY, SUITE 505Franklin, TN 37067-5914

Mailing Address4323 Carothers Pkwy, Suite 505Franklin, TN 37067-5914 · (615) 435-7780 · Fax (615) 435-7789

Phone(615) 435-7780

Fax(615) 435-7789

Organization SubpartNo

Authorized OfficialLynn HarbManager · (615) 790-9401

Enumeration DateNovember 18, 2013

✔ NPI 1366872053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4323 CAROTHERS PKWY, Franklin, TN 37067

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Williamson Medical Group, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 77 clinicians reassign Medicare billing to Williamson Medical Group, LLC, which bills Medicare for the services they deliver. Of these, 13 practice at this address and 35 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 10

Nurse Practitioner23

Family Practice16

Internal Medicine11

Pulmonary Disease7

Neurology6

General Surgery5

Obstetrics/Gynecology4

Gastroenterology3

2 other specialties2

Nearest to this location (20)

See all 77

Sarah See, MD

Internal Medicine

NPI 1245440171

4323 CAROTHERS PKWY STE 505
Franklin, TN 37067

(615) 435-7780

✔ PECOS✔ Accepts MedicareSame address

Scott Lieberman, MD

Internal Medicine

NPI 1871644781

4323 CAROTHERS PKWY SUTIE 409
Franklin, TN 37067

(615) 435-7780

✔ PECOSSame address

Jon Cumberledge, MD

Family Practice

NPI 1285620344

4323 CAROTHERS PKWY STE 505
Franklin, TN 37067

(615) 435-7780

✔ PECOS✔ Accepts MedicareSame address

Alicia Lopez, M.D.

Family Practice

NPI 1437578382

4323 CAROTHERS PKWY STE 505
Franklin, TN 37067

(615) 435-7780

✔ PECOS✔ Accepts MedicareSame address

Oscar Mendez, MD

Neurology

NPI 1366403230

4323 CAROTHERS PKWY SUITE 303
Franklin, TN 37067

(615) 538-6045

✔ PECOS✔ Accepts MedicareSame address

Aaron Milstone, MD

Pulmonary Disease

NPI 1134211550

4323 CAROTHERS PKWY STE 605
Franklin, TN 37067

(615) 790-4159

✔ PECOS✔ Accepts MedicareSame address

Devin Sherman, MD

Pulmonary Disease

NPI 1659497592

4323 CAROTHERS PKWY STE 605
Franklin, TN 37067

(615) 790-4159

✔ PECOS✔ Accepts MedicareSame address

Jared Slater, MD

General Surgery

NPI 1720100803

4323 CAROTHERS PKWY STE 500
Franklin, TN 37067

(615) 794-8900

✔ PECOSSame address

Laura Hunt, MD

Pulmonary Disease

NPI 1114019528

4323 CAROTHERS PKWY SUITE 605
Franklin, TN 37067

(615) 790-4159

✔ PECOS✔ Accepts MedicareSame address

Arthur Williams, D.O.

Family Practice

NPI 1760591788

4323 CAROTHERS PKWY STE 409
Franklin, TN 37067

(615) 435-7780

✔ PECOS✔ Accepts MedicareSame address

Sanford Kim, MD

Internal Medicine

NPI 1891782454

4321 CAROTHERS PKWY SOUND PHYSICIANS
Franklin, TN 37067

(615) 435-6690

✔ PECOS✔ Accepts MedicareSame address

Elizabeth Lindsey, MD

Gastroenterology

NPI 1336155530

4321 CAROTHERS PKWY STE 600
Franklin, TN 37067

(615) 791-2331

✔ PECOS✔ Accepts MedicareSame address

Katrina Zandieh

Nurse Practitioner

NPI 1114746815

4321 CAROTHERS PKWY
Franklin, TN 37067

(615) 435-5000

✔ PECOS✔ Accepts MedicareSame address

Laura Baskin, M.D.

General Surgery

NPI 1538157219

4323 CAROTHERS PKWY STE 505
Franklin, TN 37067

(615) 721-9671

✔ PECOS✔ Accepts Medicare0.1 mi

Barry Jarnagin, MD

Obstetrics/Gynecology

NPI 1194806323

100 COVEY DR SUITE 205
Franklin, TN 37067

(615) 284-4664

✔ PECOS0.1 mi

Kelsey Mckeon Johnson

Nurse Practitioner

NPI 1831996255

100 COVEY DR STE 205
Franklin, TN 37067

(615) 284-4664

✔ PECOS✔ Accepts Medicare0.1 mi

Jennifer Tatalovich, M.D.

Obstetrics/Gynecology

NPI 1124226477

100 COVEY DR STE 205
Franklin, TN 37067

(615) 284-4664

✔ PECOS✔ Accepts Medicare0.1 mi

Ysela Carrillo, M.D.

General Surgery

NPI 1578528717

2105 EDWARD CURD LN SUITE 102
Franklin, TN 37067

(615) 791-7355

✔ PECOS✔ Accepts Medicare0.1 mi

Amy Suppinger, M.D.

Internal Medicine

NPI 1841201886

4601 CAROTHERS PARKWAY SUITE 225
Franklin, TN 37067

(615) 794-5354

✔ PECOS✔ Accepts Medicare0.3 mi

Jeffrey Suppinger, M.D.

Family Practice

NPI 1548378805

4601 CAROTHERS PARKWAY SUITE 225
Franklin, TN 37067

(615) 794-5354

✔ PECOS✔ Accepts Medicare0.3 mi

See all 77 clinicians

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

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 Williamson Medical Group, LLC's NPI number?

The NPI number for Williamson Medical Group, LLC is 1366872053. It was assigned to this organization in the NPPES registry on November 18, 2013.

Where is Williamson Medical Group, LLC located?

Williamson Medical Group, LLC is located at 4323 Carothers Pkwy Suite 505, Franklin, TN 37067. The listed phone number is (615) 435-7780.

What is Williamson Medical Group, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Williamson Medical Group, LLC enrolled in Medicare?

Yes. Williamson Medical Group, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Williamson Medical Group, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 77 clinicians in 10 Medicare specialties reassign their Medicare billing to Williamson Medical Group, 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 (23), Family Practice (16) and Internal Medicine (11). Of these, 13 practice at this address and 35 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Williamson Medical Group, LLC accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Williamson Medical Group, 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 Williamson Medical Group, LLC was last updated on November 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.