James Roat, M.D.
Gastroenterology Physician · Sioux City, IA
James Roat, M.D. is a gastroenterology physician with a practice address in Sioux City, Iowa, and NPI 1457331621, issued on Jan 22, 2006. Check the license (Iowa 23838, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- James Roat
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 23838 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2910 Hamilton Blvd, Sioux City, IA 51104
- Phone
- (712) 252-1322
- Enumerated
- Jan 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid IDs
- 208371 IA
XPY047960 CA
1073972 WA
75985 MT - Medicare enrollment
- Enrolled (PECOS I20041216000973); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 122 in Iowa → Look up another NPI →
Also registered at 2910 Hamilton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Roat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 23838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average gastroenterology physician in 2024
1,613 Medicare Part D claims for 541 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Pantoprazole Sodium554 claims
- Metoclopramide Hcl375 claims
- Peg-3350 And Electrolytes193 claims
- Gavilyte-G185 claims
- Mesalamine52 claims
- Cholestyramine34 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): 20.5 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).
Industry payments in 2024: $20.21
1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James Roat among 122 gastroenterology physician records in Iowa
James Roat, M.D. is one of 122 gastroenterology physician records with a practice address in Iowa. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 27% of them.
- NPI issued2006 · 27% of these records are older, 46% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1977 · median 2000 among the 84 with a school on file
- Record last updated2007 · 54% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Iowa
There are 122 gastroenterology physician records in Iowa.
All 122 in Iowa → Every provider in Sioux City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Steve Obanor, M.B.B.S.Waterloo, IA 507021457872327
- Taha Ashraf, M.DWaterloo, IA 507011881181451
- Shima Ghavimi, M.D.Waterloo, IA 507011811316458
- Srinivas Kalala, M.D.Waterloo, IA 507011619140910
- Ravindra Mallavarapu, MDWaterloo, IA 507011982657961
- Richard Manfready, M.D.Waterloo, IA 507011710419122
- Suresh Reddy, MDWaterloo, IA 507011053358226
- Moaz SialWaterloo, IA 507011891102364
Common questions
What is James Roat, M.D.'s NPI number?
James Roat, M.D.'s National Provider Identifier (NPI) is 1457331621, issued on Jan 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Roat, M.D. located?
The NPPES record lists a practice address at 2910 Hamilton Blvd, Sioux City, IA, 51104. Phone: (712) 252-1322. Providers update this record themselves, so call before visiting.
How can I verify James Roat, M.D.'s license?
NPPES lists Iowa license number 23838, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Roat, M.D. prescribe under Medicare Part D?
In 2024, James Roat, M.D. had 1,613 Medicare Part D claims for 541 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is James Roat, M.D.'s MIPS final score?
The 2023 MIPS final score is 20.5 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.