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DR. WILLIAM C. LINDSAY M.D.
NPI 1083604623
Internal Medicine - Clinical Cardiac Electrophysiology in Knoxville, TN

Active since October 25, 2005PECOS Enrolled
10800 PARKSIDE DR, SUITE 331, KNOXVILLE, TN 37934(865) 392-3400(865) 392-3449 Get Directions Write a Review

NPPES record last updated: January 21, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. William C. Lindsay M.d. NPPES

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

DR. WILLIAM C. LINDSAY M.D. (NPI 1083604623) is an individual clinical cardiac electrophysiology provider in Knoxville, Tennessee, licensed in Tennessee (19778) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083604623
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. WILLIAM C. LINDSAYCredential: M.D.
Location Address10800 PARKSIDE DR, SUITE 331Knoxville, TN 37934-1922
Mailing Address10800 Parkside Dr Ste 331Knoxville, TN 37934-1922 · (865) 392-3400 · Fax (865) 392-3449
Phone(865) 392-3400
Fax(865) 392-3449
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateJanuary 21, 2019
✔ NPI 1083604623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License✔ Licensed in TN · 19778
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 19778 (TN)
10800 PARKSIDE DR, Knoxville, TN 37934
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Other Identifiers 2

Medicaid64793946KY
MedicaidQ017553TN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William C. Lindsay M.d. 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 William Lindsay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

East Tennessee Diagnostic Center, LLC
8.5 mi
Radiology
1415 OLD WEISGARBER RD STE 120
Knoxville, TN 37909
  • Reassigned Medicare billing, Tennessee enrollment
  • 6 clinicians in this Medicare group
NPI 1710932553 (865) 584-7376

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 37934 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%913 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
30%593 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 100% · 222 patients
Patients tobacco: 8% · 37 patients
82%222 patients4/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

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

JACQUELINE CRAWFORD M.D.
Psychiatry & Neurology (Neurology)
10800 PARKSIDE DR, SUITE 203
KNOXVILLE, TN 37934
Knox County (865) 218-8333
COMPREHENSIVE NEUROLOGY SERVICES PLLC
Psychiatry & Neurology (Neurology)
10800 PARKSIDE DR, SUITE 203
KNOXVILLE, TN 37934
Knox County (865) 622-6545
DR. LISA CAROLINE BUCKINGHAM M.D.
Obstetrics & Gynecology
10800 PARKSIDE DR, SUITE 201
KNOXVILLE, TN 37934
Knox County (865) 218-6660
KELSEY DAWSON LENIHAN NP
Nurse Practitioner (Adult Health)
10800 PARKSIDE DR, SUITE 202
KNOXVILLE, TN 37934
Knox County (865) 323-9763
JACQUELINE S. CRAWFORD, MD, PLLC
Psychiatry & Neurology (Neurology)
10800 PARKSIDE DR, SUITE 203
KNOXVILLE, TN 37934
Knox County (865) 218-8333
DR. RAVI MEHTA M.D.
Internal Medicine (Interventional Cardiology)
10800 PARKSIDE DR, SUITE 331
KNOXVILLE, TN 37934
Knox County (865) 392-3400

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 William Lindsay's NPI number?

The NPI number for William Lindsay is 1083604623. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is William Lindsay located?

William Lindsay practices at 10800 Parkside Dr Suite 331, Knoxville, TN 37934. The listed phone number is (865) 392-3400.

What is William Lindsay's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is William Lindsay enrolled in Medicare?

Yes. William Lindsay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Lindsay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Lindsay reassigns Medicare benefits to East Tennessee Diagnostic Center, LLC (Knoxville, 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 William Lindsay'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 William Lindsay was last updated on January 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.