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GUY CLARK MD
NPI 1235160789
Internal Medicine in Knoxville, TN

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
601 S CONCORD ST STE 108, KNOXVILLE, TN 37919(865) 292-3000 Get Directions Write a Review

NPPES record last updated: May 25, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 25, 2021, Dec 12, 2019 (2 updates tracked since 2019).

About Guy Clark Md NPPES

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

GUY CLARK MD (NPI 1235160789) is an individual internal medicine provider in Knoxville, Tennessee, licensed in Tennessee (MD20063) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of East Tennessee State University Quillen College Of Medicine (1988).

NPPES Registry Identity

NPI1235160789
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGUY CLARKCredential: MD
Location Address601 S CONCORD ST STE 108Knoxville, TN 37919-3339
Mailing Address601 S Concord St Ste 108Knoxville, TN 37919-3339 · (931) 761-5732 · Fax (931) 761-8661
Phone(865) 292-3000
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 1988
Enumeration DateJuly 5, 2006
Last NPPES UpdateMay 25, 20212 updates tracked since enumeration
NPPES CertifiedMay 25, 2021
✔ NPI 1235160789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · MD20063
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 ListedEmergency MedicineTaxonomy 207P00000X · License 0101047497 (VA)
601 S CONCORD ST STE 108, Knoxville, TN 37919
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Other Identifiers 4

Medicaid010256267VA
OtherP00255508VA · Medicare Railroad
Medicaid64666985KY
MedicaidQ064419TN

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Guy Clark Md 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 ID7517909179
PECOS Enrollment IDI20111121000621
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37919 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
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

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

CONCORD RECOVERY CENTER
Internal Medicine (Addiction Medicine)
601 S CONCORD ST STE 108
KNOXVILLE, TN 37919
Knox County (865) 985-0371

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 Guy Clark's NPI number?

The NPI number for Guy Clark is 1235160789. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Guy Clark located?

Guy Clark practices at 601 S Concord St Ste 108, Knoxville, TN 37919. The listed phone number is (865) 292-3000.

What is Guy Clark's specialty?

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

Is Guy Clark enrolled in Medicare?

Yes. Guy Clark 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.

What insurance does Guy Clark accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Guy Clark 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 Guy Clark was last updated on May 25, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.