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DR. ROGER L SIDDOWAY M.D.
NPI 1548240310
Internal Medicine - Gastroenterology in St George, UT

Active since January 18, 2006PECOS Enrolled
368 E RIVERSIDE DR, SUITE A, ST GEORGE, UT 84790(435) 673-1149(435) 673-1182 Get Directions Write a Review

NPPES record last updated: June 9, 2015. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Dr. Roger L Siddoway M.d. NPPES

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

DR. ROGER L SIDDOWAY M.D. (NPI 1548240310) is an individual gastroenterology provider in St George, Utah, licensed in Arizona (19338) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548240310
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ROGER L SIDDOWAYCredential: M.D.
Location Address368 E RIVERSIDE DR, SUITE ASt George, UT 84790-6896
Mailing Address6360 S 3000 E, #220Salt Lake City, UT 84121-6923
Phone(435) 673-1149
Fax(435) 673-1182
Sole ProprietorNo
Enumeration DateJanuary 18, 2006
Last NPPES UpdateJune 9, 2015
✔ NPI 1548240310 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 AZ · 19338
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, St George, UT 84790
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Other Identifiers 3

Medicaid170936AZ
Medicare ID-Type Unspecified83890AZ
Medicare UPINE85961AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Roger L Siddoway M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Other Providers at the Same Location NPPES 14

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

DESERT VISTA INTERNAL MEDICINE PC
Internal Medicine
368 E RIVERSIDE DR, 3B
SAINT GEORGE, UT 84790
Washington County (435) 656-3324
MS. STEFFANIE PETERSON NP-C
Clinical Nurse Specialist (Family Health)
368 E RIVERSIDE DR, STE A
ST GEORGE, UT 84790
Washington County (435) 673-1149
DR. JAMES KIM OTT DDS
Dentist
368 E RIVERSIDE DR, BLDG 2A
ST GEORGE, UT 84790
Washington County (435) 673-3363
DIXIE PEDIATRIC DENTAL
Dentist (Pediatric Dentistry)
368 E RIVERSIDE DR, BUILDING 6
ST GEORGE, UT 84790
Washington County (435) 688-8827
CHRISTOPH T WOERLEIN MD
Internal Medicine (Gastroenterology)
368 E RIVERSIDE DR
ST GEORGE, UT 84790
Washington County (435) 673-1149
UTAH GASTROENTEROLOGY LLC
Internal Medicine (Gastroenterology)
368 E RIVERSIDE DR, SUITE A
ST GEORGE, UT 84790
Washington County (435) 673-1149
RIVERSIDE DENTAL CARE PC
Dentist (General Practice)
368 E RIVERSIDE DR, BLDG 2A
ST GEORGE, UT 84790
Washington County (435) 673-3363
MR. ETHAN LOWELL SNYDER PA-C
Physician Assistant
368 E RIVERSIDE DR, SUITE A
ST GEORGE, UT 84790
Washington County (435) 215-1611

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 Roger Siddoway's NPI number?

The NPI number for Roger Siddoway is 1548240310. It was assigned to this individual provider in the NPPES registry on January 18, 2006.

Where is Roger Siddoway located?

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

What is Roger Siddoway's specialty?

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

Is Roger Siddoway enrolled in Medicare?

Yes. Roger Siddoway is registered in the Medicare PECOS enrollment system.

What insurance does Roger Siddoway accept?

Health plans from Select Health list Roger Siddoway 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.

When was this NPI record last updated?

The NPPES record for Roger Siddoway was last updated on June 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.