Charles B. Orton, MD
Gastroenterology Physician · Oak Ridge, TN
Charles B. Orton, MD is a gastroenterology physician with a practice address in Oak Ridge, Tennessee, and NPI 1316262777, issued on Mar 29, 2010. Check the license (Tennessee 54077, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles B. Orton
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 54077 TN
Self-reported in NPPES; status is on the state search - Practice location
- 988 Oak Ridge Tpke, Oak Ridge, TN 37830
- Phone
- (865) 483-4366
- Enumerated
- Mar 29, 2010
- Record last updated
- Jun 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (865) 483-5957
- Medicaid ID
- Q021336 TN
- Medicare enrollment
- Enrolled (PECOS I20160719001436); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 988 Oak Ridge Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Carter, MDObstetrics & Gynecology Physician1427074954
- Mary Clemens, FNPFamily Nurse Practitioner1093786253
- Charles Gholson, MDGastroenterology Physician1932192499
- Roger Goggans, NPNurse Practitioner1376579524
- Elzbieta Gornisiewicz, MDNeurology Physician1740277565
- Venkata Gourineni, MDGastroenterology Physician1972733616
Verify Charles B. Orton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 54077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,961 Medicare Part D claims for 626 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium339 claims
- Famotidine186 claims
- Omeprazole177 claims
- Sod Sulf-Potass Sulf-Mag Sulf111 claims
- Gavilyte-G86 claims
- Linzess80 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 82 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Covenant Medical Group IncLoudon, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles B. Orton among 384 gastroenterology physician records in Tennessee
Charles B. Orton, MD is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 77% of them.
- NPI issued2010 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2001 among the 255 with a school on file
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Oak Ridge → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ahmad Abu-Heija, M.D.Oak Ridge, TN 378301134574072
- Clement Block, M.D.Oak Ridge, TN 378301528051174
- Charles Gholson, MDOak Ridge, TN 378301932192499
- Venkata Gourineni, MDOak Ridge, TN 378301972733616
- Allison Locke, MDOak Ridge, TN 378301518256148
- Kenneth Luckmann, MDOak Ridge, TN 378301679566210
- Phillip Ricks, MDOak Ridge, TN 378301467445015
- Zachary Sherrill, DOOak Ridge, TN 378301942704689
Common questions
What is Charles B. Orton, MD's NPI number?
Charles B. Orton, MD's National Provider Identifier (NPI) is 1316262777, issued on Mar 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Charles B. Orton, MD located?
The NPPES record lists a practice address at 988 Oak Ridge Tpke, Oak Ridge, TN, 37830. Phone: (865) 483-4366. Providers update this record themselves, so call before visiting.
How can I verify Charles B. Orton, MD's license?
NPPES lists Tennessee license number 54077, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles B. Orton, MD prescribe under Medicare Part D?
In 2024, Charles B. Orton, MD had 1,961 Medicare Part D claims for 626 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Charles B. Orton, MD's MIPS final score?
The 2023 MIPS final score is 82 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.