DR. WILLIAM ELWYN LYLES MD
NPI 1750364782
Internal Medicine - Gastroenterology in Maryville, TN

Q: What is William Lyles's NPI number?

The NPI number for William Lyles is 1750364782. It was assigned to this individual provider in the NPPES registry on November 23, 2005.

Q: What is William Lyles's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for William Lyles was last updated on October 28, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 23, 2005PECOS EnrolledAccepts Medicare Assignment

79.29/100

CMS Quality Rating

355 BMH PHYSICIANS OFFICE BLDG, MARYVILLE, TN 37804(865) 980-5060(865) 980-5066 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 26, 2023, Jan 31, 2017 (2 updates tracked since 2017).

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About Dr. William Elwyn Lyles Md NPPES

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

DR. WILLIAM ELWYN LYLES MD (NPI 1750364782) is an individual gastroenterology provider in Maryville, Tennessee, licensed in Tennessee (MD018716) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Blount Memorial Hospital, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1750364782

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WILLIAM ELWYN LYLESCredential: MD

Location Address355 BMH PHYSICIANS OFFICE BLDGMaryville, TN 37804-5820

Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842

Phone(865) 980-5060

Fax(865) 980-5066

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateNovember 23, 2005

Last NPPES UpdateOctober 28, 20252 updates tracked since enumeration

NPPES CertifiedOctober 28, 2025

✔ NPI 1750364782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TN · MD018716

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

355 BMH PHYSICIANS OFFICE BLDG, Maryville, TN 37804

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Other Identifiers 2

MedicaidQ004035TN

Medicaid3033902TN

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

Dr. William Elwyn Lyles 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 ID9931127198

PECOS Enrollment IDI20131218001356

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.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

176 services114 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

171 services162 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

104 services104 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

66 services61 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

39 services17 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

33 services33 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Blount Memorial Hospital

Acute Care Hospitals · Maryville, TN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number440011

Location907 E Lamar Alexander ParkwayMaryville, TN 37804 · Blount County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37804 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.

79.29/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

74.55

Promoting Interoperability

Improvement Activities

Cost

63.09

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Other Providers at the Same Location NPPES 13

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

MS. ALYSSA LUIGART MUSSER FNP-C

Nurse Practitioner (Family)