Carlos A. Rollhauser, MD
Gastroenterology Physician · Knoxville, TN
Carlos A. Rollhauser, MD is a gastroenterology physician with a practice address in Knoxville, Tennessee, and NPI 1407933658, issued on Nov 1, 2006. Check the license (Tennessee MD37059, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Carlos A. Rollhauser
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD37059 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1928 Alcoa Highway, Knoxville, TN 37920
- Phone
- (865) 305-6570
- Enumerated
- Nov 1, 2006
- Record last updated
- Jun 18, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (865) 305-6576
- Medicare enrollment
- Enrolled (PECOS I20101004000018); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 1928 Alcoa Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sangeeta Gulati, MDGastroenterology Physician1255418315
- Connie McMahan, ADVANCED PRACTICE NUGastroenterology Physician1447323639
Verify Carlos A. Rollhauser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD37059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,838 Medicare Part D claims for 780 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Pantoprazole Sodium557 claims
- Famotidine395 claims
- Omeprazole366 claims
- Sod Sulf-Potass Sulf-Mag Sulf144 claims
- Ondansetron Hcl138 claims
- Xifaxan87 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): 95.7 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: $17,345.93
168 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. 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.
Bills Medicare through one group practice
- University Health System, Inc.Sevierville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos A. Rollhauser among 384 gastroenterology physician records in Tennessee
Carlos A. Rollhauser, 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 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1988 · median 2001 among the 255 with a school on file
- Record last updated2010 · 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 Knoxville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mark Anderson, MDKnoxville, TN 379201003993163
- Shaker Barham, M.D.Knoxville, TN 379201366825077
- Mahmoud Bayoumi, M.D., M.P.H.Knoxville, TN 379201023541109
- Benjamin Dalton, MDKnoxville, TN 379201396979936
- Sangeeta Gulati, MDKnoxville, TN 379201255418315
- Connie McMahan, ADVANCED PRACTICE NUKnoxville, TN 379201447323639
- George ObengKnoxville, TN 379201295294064
- Samuel PurkeyKnoxville, TN 379201619438397
Common questions
What is Carlos A. Rollhauser, MD's NPI number?
Carlos A. Rollhauser, MD's National Provider Identifier (NPI) is 1407933658, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carlos A. Rollhauser, MD located?
The NPPES record lists a practice address at 1928 Alcoa Highway, Knoxville, TN, 37920. Phone: (865) 305-6570. Providers update this record themselves, so call before visiting.
How can I verify Carlos A. Rollhauser, MD's license?
NPPES lists Tennessee license number MD37059, 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 Carlos A. Rollhauser, MD prescribe under Medicare Part D?
In 2024, Carlos A. Rollhauser, MD had 2,838 Medicare Part D claims for 780 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Carlos A. Rollhauser, MD's MIPS final score?
The 2023 MIPS final score is 95.7 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.