MR. BRIEN REX MILLER D.O.
NPI 1992066799
Internal Medicine - Gastroenterology in St George, UT

Q: What is Brien Miller's NPI number?

The NPI number for Brien Miller is 1992066799. It was assigned to this individual provider in the NPPES registry on June 7, 2012.

Q: What is Brien Miller'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 Brien Miller was last updated on December 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 June 07, 2012PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

368 E RIVERSIDE DR STE A, ST GEORGE, UT 84790(435) 673-1149(435) 673-1182 Get Directions Write a Review

NPPES record last updated: December 5, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mr. Brien Rex Miller D.o. NPPES

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

MR. BRIEN REX MILLER D.O. (NPI 1992066799) is an individual gastroenterology provider in St George, Utah, licensed in Utah (10707936-1204) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Cedar City Hospital, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2012).

NPPES Registry Identity

NPI1992066799

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMR. BRIEN REX MILLERCredential: D.O.

Location Address368 E RIVERSIDE DR STE ASt George, UT 84790-6897

Mailing Address6360 S 3000 E Ste 220Salt Lake City, UT 84121-6924 · (801) 944-3199 · Fax (801) 944-3180

Phone(435) 673-1149

Fax(435) 673-1182

Sole ProprietorNo

Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2012

Enumeration DateJune 7, 2012

Last NPPES UpdateDecember 5, 2019

✔ NPI 1992066799 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 UT · 10707936-1204

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.

368 E RIVERSIDE DR STE A, St George, UT 84790

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah 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

Mr. Brien Rex Miller D.o. 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 ID1456616127

PECOS Enrollment IDI20180530000552

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 20

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.

Injection, vedolizumab, intravenous, 1 mg J3380

Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.

9,900 services14 patients

Injection, infliximab, excludes biosimilar, 10 mg J1745

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

1,070 services11 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.

324 services324 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.

203 services195 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.

82 services80 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.

75 services71 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.

68 services52 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.

66 services58 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.

55 services54 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

53 services24 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.

35 services35 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

31 services31 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

This procedure involves placing a thin tube with an electrode through your nose and into your esophagus. It helps to monitor and record the function of your esophagus, aiding in diagnosing any potential issues.

31 services31 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.

27 services26 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.

27 services27 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

26 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.

18 services18 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.

13 services13 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

11 services11 patients

Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 91035

This procedure involves a small capsule being attached to your esophagus wall. It measures and records how your esophagus is functioning, helping to identify any potential issues. You won't feel the capsule and it will pass naturally through your system after a few days.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Cedar City Hospital

Acute Care Hospitals · Cedar City, UT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number460007

Location1303 North Main StreetCedar City, UT 84721 · Iron County

Emergency services Birthing friendly

St. George Regional Hospital

Acute Care Hospitals · St George, UT

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number460021

Location1380 East Medical Center DriveSt George, UT 84790 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84790 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

$125.70 typical visit price

range $54.34 – $166.03

Typical copayment $31.42 (range $13.58 – $41.50)

Most-billed visit code 99204

Established Patient

$96.35 typical visit price

range $17.23 – $135.20

Typical copayment $24.08 (range $4.30 – $33.80)

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.

75/100

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

Scored as part of a group practice

Other Providers at the Same Location NPPES 8

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

DR. TYSON AMUNDSEN MD

Internal Medicine (Gastroenterology)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

GEORGE JEUNG D.O.

Internal Medicine (Gastroenterology)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

CAMRYN JONES DNP, FNP

Nurse Practitioner (Family)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

NEKENZIE JONES NP

Nurse Practitioner (Family)

368 E RIVERSIDE DR STE A
SAINT GEORGE, UT 84790

Washington County (435) 673-1149

LOUIS WILLIAM DURANTE IV

Physician Assistant (Medical)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

SCOTT DIAMOND DO

Internal Medicine (Gastroenterology)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

ASHLEE ANN WALKER NP

Nurse Practitioner (Family)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

PHILLIP OBERG DO

Internal Medicine (Gastroenterology)

368 E RIVERSIDE DR STE A
ST GEORGE, UT 84790

Washington County (435) 673-1149

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 Brien Miller's NPI number?

The NPI number for Brien Miller is 1992066799. It was assigned to this individual provider in the NPPES registry on June 7, 2012.

Where is Brien Miller located?

Brien Miller practices at 368 E Riverside Dr Ste A, St George, UT 84790. The listed phone number is (435) 673-1149.

What is Brien Miller's specialty?

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

Is Brien Miller enrolled in Medicare?

Yes. Brien Miller 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 Brien Miller accept?

Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list Brien Miller 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 Brien Miller affiliated with any hospitals?

According to CMS data, Brien Miller is affiliated with Cedar City Hospital and St. George Regional Hospital.

When was this NPI record last updated?

The NPPES record for Brien Miller was last updated on December 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.