Doctor profile · Federal record
Dr. Carlos Rollhauser, MD
Gastroenterology Physician (CMS: Gastroenterology) · Knoxville, TN
- NPI 1407933658
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1928 Alcoa Highway, B100
Knoxville, TN 37920
(865) 305-6570
fax (865) 305-6576 - Mailing address
-
Po Box 440395
Nashville, TN 372440395
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- June 18, 2010
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Tennessee #MD37059
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407933658. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
850
Distinct HCPCS
10
Medicare allowed
$105,599
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 182 | 148 | $92 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 140 | 140 | $233 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 132 | 128 | $86 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 96 | 96 | $91 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 25 | $112 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 45 | $62 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $124 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 35 | $164 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 30 | 30 | $167 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 26 | 25 | $140 |
In context: peer comparison
Among 15 peers in Knoxville Gastroenterology Physician, average services per provider: 176. This provider delivers 4.8× the peer median.Open Payments
Industry payments received
All-time total
$17,346
Transactions
146
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 28 | $11,437.14 | |
| Abbvie INC. | 44 | $4,113.45 | |
| Gilead Sciences, INC. | 11 | $266.93 | |
| Takeda Pharmaceuticals U.S.A., INC. | 14 | $170.93 | |
| Celgene Corporation | 9 | $149.45 | |
| Lilly USA, LLC | 6 | $121.50 | |
| Phathom Pharmaceuticals, INC. | 6 | $99.51 | |
| Ardelyx, INC. | 5 | $97.19 | |
| Regeneron Healthcare Solutions, INC. | 4 | $90.87 | |
| Genzyme Corporation | 5 | $89.39 | |
| Pfizer INC. | 4 | $66.89 | |
| Celltrion USA INC. | 3 | $58.69 | |
| Amgen INC. | 2 | $58.22 | |
| Pinnacle Biologics, INC | 2 | $50.74 | |
| Aimmune Therapeutics, INC. | 3 | $50.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,125
Patients
820
Total drug cost
$1,613,838
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 586 | 195 | $9,510 |
| Famotidine | Generic | 419 | 142 | $7,343 |
| Omeprazole | Generic | 322 | 109 | $5,469 |
| Ondansetron Hcl | Generic | 111 | 40 | $999 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 92 | 92 | $15,524 |
| Esomeprazole Magnesium | Generic | 84 | 26 | $6,071 |
| Xifaxan (Rifaximin) | Brand | 83 | 20 | $269,338 |
| Dicyclomine Hcl | Generic | 76 | 23 | $1,496 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 70 | 68 | $1,389 |
| Sucralfate | Generic | 57 | 24 | $8,034 |
Hospital affiliations
Frequently asked questions
What is Dr. Carlos Rollhauser's medical specialty?
Dr. Carlos Rollhauser practices Gastroenterology Physician in Knoxville, TN.
Where does Dr. Carlos Rollhauser practice?
Dr. Carlos Rollhauser practices at 1928 Alcoa Highway, Knoxville, TN 37920. Office phone: 8653056570.
What is Dr. Carlos Rollhauser's NPI?
Dr. Carlos Rollhauser's National Provider Identifier (NPI) is 1407933658, issued by NPPES.
Does Dr. Carlos Rollhauser accept Medicare assignment?
Yes. Dr. Carlos Rollhauser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carlos Rollhauser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.