Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RYAN EUGENE DENNEY D.O
NPI 1437496197
Internal Medicine - Gastroenterology in Rolla, MO

Active since January 14, 2013PECOS EnrolledAccepts Medicare Assignment
1050 W 10TH ST, ROLLA, MO 65401(573) 364-9000(573) 426-2108 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 6, 2026, Apr 14, 2026, Aug 6, 2018 (3 updates tracked since 2018).

About Dr. Ryan Eugene Denney D.o NPPES

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

DR. RYAN EUGENE DENNEY D.O (NPI 1437496197) is an individual gastroenterology provider in Rolla, Missouri, licensed in Missouri (2018011480) and active in the NPI registry since January 2013. He is enrolled in Medicare PECOS, is affiliated with Citizens Memorial Hospital, and maintains a secondary practice location in Rolla.

NPPES Registry Identity

NPI1437496197
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. RYAN EUGENE DENNEYCredential: D.O
Location Address1050 W 10TH STRolla, MO 65401-2905
Mailing Address1050 W 10th StRolla, MO 65401-2905 · (573) 364-9000 · Fax (573) 426-2108
Fax(573) 426-2108
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJanuary 14, 2013
Last NPPES UpdateAugust 6, 20263 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
NPI 1437496197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MO · 2018011480
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License UO3217 (FL), 2018011480 (MO)
1050 W 10TH ST, Rolla, MO 65401

Secondary Practice Location 1

Location 11000 W 10th StRolla, MO 65401-2905 · Phone (573) 458-8899 · Fax (573) 341-5611

Other Identifiers 1

Medicaid200057617MO

Accepted 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. Ryan Eugene Denney 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 ID6204185721
PECOS Enrollment IDI20180816002020
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 11

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.
91 services89 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.
70 services62 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.
69 services48 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.
43 services43 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.
35 services32 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.
22 services22 patients

Hospital Affiliations CMS Care Compare

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

Citizens Memorial Hospital

Acute Care Hospitals · Bolivar, MO
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number260195
Location1500 N OaklandBolivar, MO 65613 · Polk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65401 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

Pediatrics
1050 W 10TH ST
ROLLA, MO 65401
Internal Medicine
1050 W 10TH ST
ROLLA, MO 65401
Internal Medicine
1050 W 10TH ST
ROLLA, MO 65401
Orthopaedic Surgery
1050 W 10TH ST
ROLLA, MO 65401
Obstetrics & Gynecology
1050 W 10TH ST
ROLLA, MO 65401
Psychiatry & Neurology (Neurology)
1050 W 10TH ST
ROLLA, MO 65401
Nurse Practitioner (Adult Health)
1050 W 10TH ST
ROLLA, MO 65401
Physician Assistant
1050 W 10TH ST
ROLLA, MO 65401

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 Ryan Denney's NPI number?

The NPI number for Ryan Denney is 1437496197. It was assigned to this individual provider in the NPPES registry on January 14, 2013.

Where is Ryan Denney located?

Ryan Denney practices at 1050 W 10th St, Rolla, MO 65401. The listed phone number is (573) 364-9000.

What is Ryan Denney's specialty?

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

Is Ryan Denney enrolled in Medicare?

Yes. Ryan Denney 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 Ryan Denney accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Ryan Denney 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 Ryan Denney affiliated with any hospitals?

According to CMS data, Ryan Denney is affiliated with Citizens Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Ryan Denney was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.