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DR. JOHN F WILLIAMS MD
NPI 1225008717
Internal Medicine in Bristol, TN

Active since January 25, 2006PECOS Enrolled
1 MEDICAL PARK BLVD, SUITE 200 EAST, BRISTOL, TN 37620(423) 844-5100(423) 844-5109 Get Directions Write a Review

NPPES record last updated: May 30, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. John F Williams Md NPPES

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

DR. JOHN F WILLIAMS MD (NPI 1225008717) is an individual internal medicine provider in Bristol, Tennessee, licensed in Tennessee (342382) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225008717
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN F WILLIAMSCredential: MD
Location Address1 MEDICAL PARK BLVD, SUITE 200 EASTBristol, TN 37620-7430
Mailing Address999 Executive Park Blvd, Suite 201Kingsport, TN 37660-4632 · (423) 224-3250 · Fax (423) 224-3258
Phone(423) 844-5100
Fax(423) 844-5109
Sole ProprietorNo
Enumeration DateJanuary 25, 2006
Last NPPES UpdateMay 30, 2014
✔ NPI 1225008717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TN · 342382✔ Licensed in VA · 0101255875
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.
1 MEDICAL PARK BLVD, Bristol, TN 37620
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Other Identifiers 6

Medicare UPINH17635
Medicaid3853319TN
Medicare PIN103I112899TN
Medicare PIN110208377TN
Medicare PINVVD132BVA
Medicare PIN3853319TN

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John F Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show John Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wellmont Medical Associates Inc
1.8 mi
Pulmonary Disease
350 BLOUNTVILLE HWY STE 106
Bristol, TN 37620
  • Reassigned Medicare billing, Tennessee enrollment
  • 861 clinicians in this Medicare group
NPI 1780986257 (423) 968-2446

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 37620 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers12 claims12 services$27.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

CASSONDRA NICHOLE COMPTON CRNA
Nurse Anesthetist, Certified Registered
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 844-2686
DAVID R HUDGENS M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 844-3220
DR. JEAN MARIE MANCINI M.D.
Internal Medicine
1 MEDICAL PARK BLVD, STE 450W
BRISTOL, TN 37620
Sullivan County (423) 968-3713
THOMAS A KITTS MD
Emergency Medicine
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 844-2100
LAURA ANN ELLER AGACNP
Nurse Practitioner (Critical Care Medicine)
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 844-1121
DR. WALTER DAVIS ARNOLD JR. MD
Internal Medicine
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 282-1480
DR. KARL E LAWRENCE M.D.
Internal Medicine
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 844-1121
DR. MICHAEL WAYNE RENTZ MD
Pathology (Anatomic Pathology & Clinical Pathology)
1 MEDICAL PARK BLVD
BRISTOL, TN 37620
Sullivan County (423) 844-3220

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 John Williams's NPI number?

The NPI number for John Williams is 1225008717. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is John Williams located?

John Williams practices at 1 Medical Park Blvd Suite 200 East, Bristol, TN 37620. The listed phone number is (423) 844-5100.

What is John Williams's specialty?

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

Is John Williams enrolled in Medicare?

Yes. John Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Williams reassigns Medicare benefits to Wellmont Medical Associates Inc (Bristol, TN). The 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 John Williams'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 John Williams was last updated on May 30, 2014. 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.