Doctor profile · Federal record

Dr. Christopher Flannery, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · St George, UT

  • NPI 1538396411
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1380 E Medical Center Dr Ste 4100
St George, UT 847902156
(435) 251-2880
Additional location
4244 Riverwalk Pkwy Ste 290
Riverside, CA 925058509
(833) 863-3627
fax (951) 520-9394
Mailing address
Po Box 27128
Salt Lake City, UT 841270128

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
May 12, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Utah #12429692-1205 · California #A120210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538396411. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
415
Distinct HCPCS
10
Medicare allowed
$60,049
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 76 76 $69
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 69 69 $261
99214 Established patient office or other outpatient visit, 30-39 minutes 61 49 $134
99204 New patient office or other outpatient visit, 45-59 minutes 56 56 $174
45380 Biopsy of large bowel using a flexible endoscope 34 34 $112
45378 Diagnostic exam of large bowel using a flexible endoscope 23 23 $180
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 20 19 $114
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 20 19 $124
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $118
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 14 13 $13

In context: peer comparison

Among 3 peers in St George Gastroenterology Physician, average services per provider: 55. This provider delivers 7.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$55
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Cook Medical LLC 1 $21.78
Takeda Pharmaceuticals U.S.A., INC. 1 $20.09
Qol Medical, LLC 1 $13.59

By nature of payment

Food and Beverage
$55

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
248
Patients
221
Total drug cost
$6,923
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 127 124 $2,630
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 35 35 $850
Pantoprazole Sodium Generic 23 13 $304
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 20 20 $465
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 19 17 $1,521
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 12 12 $360
Sucralfate Generic 12 0 $793

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Flannery's medical specialty?
Dr. Christopher Flannery practices Gastroenterology Physician in St George, UT.
Where does Dr. Christopher Flannery practice?
Dr. Christopher Flannery practices at 1380 E Medical Center Dr Ste 4100, St George, UT 847902156. Office phone: 4352512880.
What is Dr. Christopher Flannery's NPI?
Dr. Christopher Flannery's National Provider Identifier (NPI) is 1538396411, issued by NPPES.
Does Dr. Christopher Flannery accept Medicare assignment?
Yes. Dr. Christopher Flannery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Flannery commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.