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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COLUMBIA MEDICAL GROUP - THE FRIST CLINIC INC
NPI 1679560023
Internal Medicine in Nashville, TN

Active since September 30, 2005CLIA 44D2218796 · Waiver
2400 PATTERSON ST STE 400, NASHVILLE, TN 37203(615) 342-5900(615) 342-5912 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 17, 2026, Sep 30, 2019, Jul 13, 2016 (3 updates tracked since 2016).

About Columbia Medical Group - The Frist Clinic Inc NPPES

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

COLUMBIA MEDICAL GROUP - THE FRIST CLINIC INC (NPI 1679560023), doing business as Dba The Frist Clinic, is a healthcare organization registered as an internal medicine in Nashville, Tennessee and active in the NPI registry since September 2005. The organization holds a CLIA Waiver certificate valid through March 30, 2027 and lists Dan Sykes, Director, as its authorized official.

NPPES Registry Identity

NPI1679560023
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCOLUMBIA MEDICAL GROUP - THE FRIST CLINIC INC
Location Address2400 PATTERSON ST STE 400Nashville, TN 37203-1575
Mailing Address2400 Patterson St Ste 400Nashville, TN 37203-1575 · (615) 373-7406 · Fax (615) 342-5912
Phone(615) 342-5900
Fax(615) 342-5912
Organization SubpartYesParent: Healthserv Acquisition, Llc
Authorized OfficialDan SykesDirector · (615) 373-7600
Enumeration DateSeptember 30, 2005
Last NPPES UpdateSeptember 17, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2026
✔ NPI 1679560023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ 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.
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
2400 PATTERSON ST STE 400, Nashville, TN 37203
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Other Names 1

Doing Business AsDba The Frist Clinic

Other Identifiers 1

Medicaid3713820TN

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 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)

Columbia Medical Group - The Frist Clinic Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

59

Medicare enrollment records show 59 clinicians reassign Medicare billing to Columbia Medical Group - The Frist Clinic Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 56 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Internal Medicine22
Nurse Practitioner16
Gastroenterology8
Endocrinology5
Infectious Disease3
Pulmonary Disease3
Neurology1
Rheumatology1

Nearest to this location (20)

See all 59
Joseph Arguinchona
Internal Medicine
NPI 1023696093
2400 PATTERSON ST STE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOSSame address
Cassie Calder, APRN
Nurse Practitioner
NPI 1164623138
2400 PATTERSON ST STE 215
Nashville, TN 37203
(615) 342-7345
✔ PECOS✔ Accepts MedicareSame address
Thomas Lewis, MD
Gastroenterology
NPI 1760478192
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts MedicareSame address
John Anderson, MD
Internal Medicine
NPI 1003801788
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Deepinder Bal, MD
Internal Medicine
NPI 1376538207
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
William Lizarraga, M.D.
Internal Medicine
NPI 1538385091
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Judith Caldwell, NP
Nurse Practitioner
NPI 1013992106
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Megan Hopkins, FNP-BC
Nurse Practitioner
NPI 1316324593
2400 PATTERSON ST
Nashville, TN 37203
(615) 342-2600
✔ PECOS✔ Accepts Medicare0.1 mi
Juli Horton, MD
Infectious Disease
NPI 1679568364
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Megan Huning, APRN FNP-BC
Nurse Practitioner
NPI 1013686815
2400 PATTERSON ST STE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Michael Kaminski, MD
Neurology
NPI 1134121130
2400 PATTERSON ST SUITE 400
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Jonathan Schneider, MD
Gastroenterology
NPI 1801943600
2400 PATTERSON ST SUITE 515
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Paul Bryant, M.D.
Infectious Disease
NPI 1437441847
330 23RD AVE N STE 300
Nashville, TN 37203
(615) 342-6010
✔ PECOS✔ Accepts Medicare0.1 mi
Michael Carlson, MD
Endocrinology
NPI 1386639219
330 23RD AVE N SUITE 500
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Amanda Daniel, MD
Endocrinology
NPI 1861668907
330 23RD AVE N SUITE 500
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Abu Fakhruddin, MD
Gastroenterology
NPI 1962497867
330 23RD AVE N SUITE 300
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Sydney Hester, MD
Infectious Disease
NPI 1417169319
330 23RD AVE N SUITE 300
Nashville, TN 37203
(615) 342-6010
✔ PECOS✔ Accepts Medicare0.1 mi
Robert Mangialardi, MD
Pulmonary Disease
NPI 1477548675
330 23RD AVE N SUITE 500
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Salim Mehio, MD
Pulmonary Disease
NPI 1427043645
330 23RD AVE N SUITE 500
Nashville, TN 37203
(615) 342-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Paul Wheeler, MD
Rheumatology
NPI 1750376786
300 20TH AVE N 9TH FLOOR
Nashville, TN 37203
(615) 284-1400
✔ PECOS✔ Accepts Medicare0.5 mi
See all 59 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 44D2218796

The Frist Clinic · Brentwood, TN
Active · expires Mar 30, 2027
CLIA Number44D2218796
Laboratory TypePhysician Office
Certificate Effective DateMarch 31, 2025
Certificate Expiration DateMarch 30, 2027
Laboratory DirectorDr. Kevin Mckechnie
Laboratory Phone(615) 342-5900
Laboratory LocationThe Frist Clinic1001 Health Park Dr Ste 600, Brentwood, TN 37027
CLIA data matches this NPI record on: 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 Columbia Medical Group - The Frist Clinic Inc's NPI number?

The NPI number for Columbia Medical Group - The Frist Clinic Inc is 1679560023. It was assigned to this organization in the NPPES registry on September 30, 2005. The provider is doing business as dba The Frist Clinic.

Where is Columbia Medical Group - The Frist Clinic Inc located?

Columbia Medical Group - The Frist Clinic Inc is located at 2400 Patterson St Ste 400, Nashville, TN 37203. The listed phone number is (615) 342-5900.

What is Columbia Medical Group - The Frist Clinic Inc's specialty?

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

Is Columbia Medical Group - The Frist Clinic Inc enrolled in Medicare?

Yes. Columbia Medical Group - The Frist Clinic Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Columbia Medical Group - The Frist Clinic Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 59 clinicians in 8 Medicare specialties reassign their Medicare billing to Columbia Medical Group - The Frist Clinic Inc. 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 Internal Medicine (22), Nurse Practitioner (16) and Gastroenterology (8). Of these, 3 practice at this address and 56 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Columbia Medical Group - The Frist Clinic Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 44D2218796) is associated with this NPI, valid through March 30, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Columbia Medical Group - The Frist Clinic Inc accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Columbia Medical Group - The Frist Clinic Inc 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 Columbia Medical Group - The Frist Clinic Inc was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.