Doctor profile · Federal record

Dr. Charles Orton, MD

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Oak Ridge, TN

  • NPI 1316262777
  • Accepts Medicare
  • MIPS 82.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
988 Oak Ridge Tpke, Ste 200
Oak Ridge, TN 378306930
(865) 483-4366
fax (865) 483-5957

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
June 24, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Tennessee #54077
Medicaid
TN #Q021336

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316262777. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
794
Distinct HCPCS
10
Medicare allowed
$104,103
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 214 213 $232
99214 Established patient office or other outpatient visit, 30-39 minutes 138 115 $120
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 124 122 $52
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 64 63 $118
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 57 55 $123
36415 Insertion of needle into vein for collection of blood sample 42 33 $8
45380 Biopsy of large bowel using a flexible endoscope 38 38 $74
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 26 $75
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $156
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 23 15 $47

In context: peer comparison

Among 2 peers in this city , average services per provider: 49. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,429
Patients
518
Total drug cost
$138,642
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 369 129 $6,269
Omeprazole Generic 214 67 $3,167
Famotidine Generic 193 65 $2,551
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 146 145 $2,458
Linzess (Linaclotide) Brand 84 15 $65,503
Colestipol Hcl Generic 59 17 $5,859
Dicyclomine Hcl Generic 49 18 $665
Lactulose Generic 42 0 $1,579
Sucralfate Generic 42 0 $1,277
Promethazine Hcl Generic 41 0 $443

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Orton's medical specialty?
Dr. Charles Orton practices Gastroenterology Physician in Oak Ridge, TN.
Where does Dr. Charles Orton practice?
Dr. Charles Orton practices at 988 Oak Ridge Tpke, Oak Ridge, TN 378306930. Office phone: 8654834366.
What is Dr. Charles Orton's NPI?
Dr. Charles Orton's National Provider Identifier (NPI) is 1316262777, issued by NPPES.
Does Dr. Charles Orton accept Medicare assignment?
Yes. Dr. Charles Orton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Orton commonly perform?
Top Medicare-reported procedures in 2023: 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); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.