DR. WILLIAM S SHEAR MD
NPI 1053523878
Internal Medicine - Gastroenterology in Casper, WY

Q: What is William Shear's NPI number?

The NPI number for William Shear is 1053523878. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Q: What is William Shear'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 Shear was last updated on November 11, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 04, 2007PECOS EnrolledAccepts Medicare Assignment

1026 E 2ND ST, CASPER, WY 82601(307) 333-0002(307) 333-4425 Get Directions Write a Review

NPPES record last updated: November 11, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 11, 2020, Mar 16, 2016 (2 updates tracked since 2016).

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About Dr. William S Shear Md NPPES

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

DR. WILLIAM S SHEAR MD (NPI 1053523878) is an individual gastroenterology provider in Casper, Wyoming, licensed in Texas (Q7601) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Sagewest Health Care, and maintains a secondary practice location in Amarillo.

NPPES Registry Identity

NPI1053523878

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WILLIAM S SHEARCredential: MD

Location Address1026 E 2ND STCasper, WY 82601-2902

Mailing Address1026 E 2nd StCasper, WY 82601-2902 · (307) 333-0002 · Fax (307) 333-4425

Phone(307) 333-0002

Fax(307) 333-4425

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2004

Enumeration DateMay 4, 2007

Last NPPES UpdateNovember 11, 20202 updates tracked since enumeration

NPPES CertifiedNovember 11, 2020

✔ NPI 1053523878 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 TX · Q7601

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.

1026 E 2ND ST, Casper, WY 82601

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Secondary Practice Location 1

Location 16700 W 9th AveAmarillo, TX 79106-1701 · Phone (806) 358-0200 · Fax (806) 356-5590

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Wyoming, Medica 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 S Shear 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 ID8224277025

PECOS Enrollment IDI20201002002797

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 17

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.

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.

175 services170 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.

135 services135 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.

127 services125 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.

105 services105 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.

89 services77 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.

83 services74 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.

77 services77 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.

66 services66 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

34 services20 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.

28 services28 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.

20 services19 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

18 services18 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

18 services18 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

17 services17 patients

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

15 services15 patients

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

12 services11 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Sagewest Health Care

Acute Care Hospitals · Riverton, WY

1/5 CMS rating

OwnershipProprietary

CMS Certification Number530008

Location2100 W Sunset DrRiverton, WY 82501 · Fremont County

Emergency services

Wyoming Medical Center

Acute Care Hospitals · Casper, WY

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number530012

Location1233 East 2nd StCasper, WY 82601 · Natrona County

Emergency services Birthing friendly

Summit Medical Center

Acute Care Hospitals · Casper, WY

OwnershipPhysician

CMS Certification Number530034

Location6350 E 2nd StreetCasper, WY 82609 · Natrona County

Memorial Hospital Of Converse County

Critical Access Hospitals · Douglas, WY

OwnershipGovernment - Local

CMS Certification Number531302

Location111 South 5th StreetDouglas, WY 82633 · Converse County

Emergency services Birthing friendly

Platte County Memorial Hospital

Critical Access Hospitals · Wheatland, WY

OwnershipGovernment - Local

CMS Certification Number531305

Location201 14th StreetWheatland, WY 82201 · Platte County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82601 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

$129.37 typical visit price

range $56.42 – $170.72

Typical copayment $32.34 (range $14.10 – $42.68)

Most-billed visit code 99204

Established Patient

$99.46 typical visit price

range $18.19 – $139.32

Typical copayment $24.86 (range $4.54 – $34.83)

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.

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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.

ANNA MARIE KNOPP

Nurse Practitioner (Family)