Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. WILLIAM B EVANS III M.D.
NPI 1053420158
Internal Medicine - Gastroenterology in Louisville, KY

Q: What is William Evans's NPI number?

The NPI number for William Evans is 1053420158. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is William Evans'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 Evans was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.

Active since August 30, 2006PECOS Enrolled

100/100

CMS Quality Rating

3 AUDUBON PLAZA DR STE 610, LOUISVILLE, KY 40217(502) 638-3700(502) 635-2205 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, May 3, 2021, May 7, 2018 and 2 more (5 updates tracked since 2017).

On this page

About Dr. William B Evans Iii M.d. NPPES

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

DR. WILLIAM B EVANS III M.D. (NPI 1053420158) is an individual gastroenterology provider in Louisville, Kentucky, licensed in Kentucky (38135) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Norton Hospitals, Inc, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1053420158

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WILLIAM B EVANS IIICredential: M.D.

Location Address3 AUDUBON PLAZA DR STE 610Louisville, KY 40217-1362

Mailing AddressPo Box 776351Chicago, IL 60677-6351 · (502) 588-9490 · Fax (502) 272-5116

Phone(502) 638-3700

Fax(502) 635-2205

Sole ProprietorNo

Medical School CMSOtherGraduated 1998

Enumeration DateAugust 30, 2006

Last NPPES UpdateJuly 16, 20265 updates tracked since enumeration

NPPES CertifiedJuly 16, 2026

✔ NPI 1053420158 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 KY · 38135

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.

3 AUDUBON PLAZA DR STE 610, Louisville, KY 40217

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Secondary Practice Locations 3

Location 1225 Abraham Flexner Way, Suite 402Louisville, KY 40202-1882 · Phone (502) 568-6616 · Fax (502) 568-6614

Location 21169 Eastern Pkwy Ste G58Louisville, KY 40217-1472 · Phone (502) 452-9567

Location 33 Audubon Plaza Dr Ste 530Louisville, KY 40217-1319 · Phone (502) 896-4711 · Fax (502) 896-4791

Other Identifiers 2

Medicaid64125529KY

Other38135KY · License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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 B Evans Iii M.d. 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 ID6608808340

PECOS Enrollment IDI20061025000135

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 23

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.

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.

177 services82 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

86 services62 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

75 services61 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

66 services63 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.

55 services52 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

38 services21 patients

Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 43238

An ultrasound guided needle aspiration or biopsy of the esophagus involves using a flexible tube with a camera (endoscope) to view your esophagus. An ultrasound device on the endoscope helps to guide a needle to take a small tissue sample for testing. This is a safe, minimally invasive procedure.

37 services36 patients

Incision of pancreatic outlet using a flexible endoscope 43262

This procedure involves a small cut in the outlet of the pancreas using a flexible tube with a camera, called an endoscope. It helps doctors diagnose and treat conditions affecting the pancreas, enhancing patient comfort and recovery.

28 services28 patients

Replacement of stent in pancreatic or bile duct using a flexible endoscope 43276

This procedure involves replacing an existing stent in your pancreatic or bile duct. A flexible endoscope, a tube-like device with a light and camera, is used to view and access the area. The old stent is removed and a new one is placed to help keep the duct open.

28 services15 patients

Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43242

This procedure involves using an ultrasound to guide a needle to specific areas in the esophagus, stomach, or upper small bowel. A flexible endoscope is used to reach these areas. The needle collects a small sample for testing.

27 services26 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.

27 services27 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43259

This procedure involves a flexible tube with a camera, called an endoscope, inserted through your mouth to examine your esophagus, stomach, and upper small bowel. An ultrasound device on the endoscope helps get detailed images. It's safe and helps diagnose various conditions.

22 services22 patients

Removal of stent from pancreatic or bile duct using a flexible endoscope 43275

This procedure involves removing a stent from your pancreatic or bile duct. A flexible endoscope, a thin tube with a light and camera, is used to locate the stent. Once found, it's carefully extracted. This helps maintain proper duct function.

22 services22 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 43237

This procedure involves a flexible tube with a camera and ultrasound device, inserted through the mouth to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like inflammation, tumors, or other abnormalities.

20 services20 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

18 services18 patients

Dilation of stomach outlet using a flexible endoscope 43245

This procedure involves expanding the opening of the stomach using a flexible tube with a light, called an endoscope. It helps improve food passage from the stomach to the small intestine. It's performed under sedation for patient comfort.

17 services16 patients

Placement of stent in esophagus, stomach, and/or upper small bowel using a flexible endoscope 43266

This procedure involves using a flexible tube (endoscope) to place a small device (stent) in your esophagus, stomach, or upper small bowel. The stent helps keep these areas open, improving symptoms like difficulty swallowing or blockages.

16 services13 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

15 services15 patients

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.

14 services14 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

13 services12 patients

Removal of foreign bodies of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43247

This procedure involves using a flexible instrument, called an endoscope, to remove foreign objects lodged in the esophagus, stomach, or upper small bowel. The endoscope is gently inserted through the mouth to reach the affected area and safely extract the foreign body.

13 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Injection of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43236

This procedure involves a flexible tube, called an endoscope, which is passed through your mouth to examine your esophagus, stomach, and upper small bowel. A special needle is used to inject medication or other substances directly into these areas.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Norton Hospitals, Inc

Acute Care Hospitals · Louisville, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180088

Location200 East Chestnut StreetLouisville, KY 40202 · Jefferson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40217 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

$122.77 typical visit price

range $52.76 – $162.27

Typical copayment $30.69 (range $13.19 – $40.56)

Most-billed visit code 99204

Established Patient

$93.94 typical visit price

range $16.53 – $131.99

Typical copayment $23.48 (range $4.13 – $32.99)

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.

100/100

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

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Leave this field empty

Other Providers at the Same Location NPPES 5

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

DR. RUTH MARGARET SIMONS MD

Internal Medicine (Hospice and Palliative Medicine)