DR. WILLIAM R KESSLER MD
NPI 1114976685
Internal Medicine - Gastroenterology in Indianapolis, IN

Q: What is William Kessler's NPI number?

The NPI number for William Kessler is 1114976685. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is William Kessler'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 Kessler was last updated on January 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment

550 UNIVERSITY BLVD, STE 4100, INDIANAPOLIS, IN 46202(317) 944-3332(317) 944-0975 Get Directions Write a Review

NPPES record last updated: January 13, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Dr. William R Kessler Md NPPES

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

DR. WILLIAM R KESSLER MD (NPI 1114976685) is an individual gastroenterology provider in Indianapolis, Indiana, licensed in Indiana (010S3971A) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Witham Health Services, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1999).

NPPES Registry Identity

NPI1114976685

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WILLIAM R KESSLERCredential: MD

Location Address550 UNIVERSITY BLVD, STE 4100Indianapolis, IN 46202-5149

Mailing Address250 N Shadeland Ave, Ste 130 Provider EnrollmentIndianapolis, IN 46219-4959

Phone(317) 944-3332

Fax(317) 944-0975

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1999

Enumeration DateMay 10, 2006

Last NPPES UpdateJanuary 13, 2021

NPPES CertifiedJanuary 13, 2021

✔ NPI 1114976685 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 IN · 010S3971A

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.

550 UNIVERSITY BLVD, Indianapolis, IN 46202

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Other Identifiers 1

Medicaid200S10830AIN

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 R Kessler 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 ID6406803998

PECOS Enrollment IDI20050406000970

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 12

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.

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.

89 services89 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.

47 services46 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.

34 services32 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.

26 services26 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

25 services25 patients

Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43270

This procedure involves using a flexible tool called an endoscope to identify and remove abnormal growths or polyps in the esophagus, stomach, or upper small bowel. It's a safe way to prevent these growths from causing health issues.

18 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

18 services18 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.

16 services15 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.

16 services16 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

14 services14 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

14 services14 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Witham Health Services

Acute Care Hospitals · Lebanon, IN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150104

Location2605 N Lebanon StLebanon, IN 46052 · Boone County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

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 20

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

JACK DAVID MARKIEWICZ M.D.

Radiology (Diagnostic Radiology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 278-9729

CRISTINA NANCY PEREZ CHUMBIAUCA MD

Internal Medicine (Rheumatology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-5000

JENNIFER MARIE SPORS NP

Nurse Practitioner (Gerontology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-7728

DR. BRENNA ESPELIEN MD

Obstetrics & Gynecology (Gynecology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 274-2018

STEVEN T HUGENBERG MD

Internal Medicine (Rheumatology)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-8660

OLGA BARKAY MD

Student in an Organized Health Care Education/Training Program

550 UNIVERSITY BLVD, SUITE 4100
INDIANAPOLIS, IN 46202

Marion County (317) 278-0427

DR. YELENA CHERNYAK PH.D., HSPP

Psychologist (Health)

550 UNIVERSITY BLVD, ROOM UH 3240
INDIANAPOLIS, IN 46202

Marion County (317) 944-7422

HEATHER M HOSFIELD NP

Nurse Practitioner (Adult Health)

550 UNIVERSITY BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 944-5000

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 Kessler's NPI number?

The NPI number for William Kessler is 1114976685. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is William Kessler located?

William Kessler practices at 550 University Blvd Ste 4100, Indianapolis, IN 46202. The listed phone number is (317) 944-3332.

What is William Kessler's specialty?

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

Is William Kessler enrolled in Medicare?

Yes. William Kessler 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 William Kessler accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and UnitedHealthcare list William Kessler 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.

Is William Kessler affiliated with any hospitals?

According to CMS data, William Kessler is affiliated with Witham Health Services.

When was this NPI record last updated?

The NPPES record for William Kessler was last updated on January 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.