DR. CARLOS A ROLLHAUSER MD
NPI 1407933658
Internal Medicine - Gastroenterology in Knoxville, TN

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
95.69/100
CMS Quality Rating
1928 ALCOA HIGHWAY, B100, KNOXVILLE, TN 37920(865) 305-6570(865) 305-6576 Get Directions Write a Review

NPPES record last updated: June 18, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Carlos A Rollhauser Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARLOS A ROLLHAUSER MD (NPI 1407933658) is an individual gastroenterology provider in Knoxville, Tennessee, licensed in Tennessee (MD37059) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1407933658
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CARLOS A ROLLHAUSERCredential: MD
Location Address1928 ALCOA HIGHWAY, B100Knoxville, TN 37920
Mailing AddressPo Box 440395Nashville, TN 37244-0395 · (865) 530-6570 · Fax (865) 305-6576
Fax(865) 305-6576
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateNovember 1, 2006
Last NPPES UpdateJune 18, 2010
NPI 1407933658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in TN · MD37059
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1928 ALCOA HIGHWAY, Knoxville, TN 37920

Other Identifiers 4

Other4054727TN · Bcbs
Medicare UPING37834
Medicare PINP00167485TN
Medicare PIN3880627TN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Carlos A Rollhauser Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557553096
PECOS Enrollment IDI20101004000018
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
163 services134 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
132 services132 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
97 services96 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
66 services66 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
46 services44 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
35 services35 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System, Inc

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440015
Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37920 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.28
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients
Percentage of patients aged 50 to 75 years of age receiving a screening colonoscopy without biopsy or polypectomy who had a recommended follow-up interval of at least 10 years for repeat colonoscopy documented in their colonoscopy report
84%103 patients
Appropriate indication for colonoscopy
Percentage of colonoscopy procedures performed for an indication that is included in a published standard list of appropriate indications and the indication is documented
78%1,168 patients3/55-star benchmark: 99%
NHCR4: Repeat screening or surveillance colonoscopy recommended within one year due to inadequate/poor bowel preparation
Percentage of patients recommended for repeat screening or surveillance colonoscopy within one year or less due to inadequate/poor bowel preparation quality
21%292 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Gastroenterology)
1928 ALCOA HIGHWAY, B100
KNOXVILLE, TN 37920
Internal Medicine (Gastroenterology)
1928 ALCOA HIGHWAY, B100
KNOXVILLE, TN 37920

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carlos Rollhauser's NPI number?

The NPI number for Carlos Rollhauser is 1407933658. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Carlos Rollhauser located?

Carlos Rollhauser practices at 1928 Alcoa Highway B100, Knoxville, TN 37920. The listed phone number is (865) 305-6570.

What is Carlos Rollhauser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Carlos Rollhauser enrolled in Medicare?

Yes. Carlos Rollhauser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Carlos Rollhauser accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Carlos Rollhauser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Carlos Rollhauser affiliated with any hospitals?

According to CMS data, Carlos Rollhauser is affiliated with University Health System, Inc.

When was this NPI record last updated?

The NPPES record for Carlos Rollhauser was last updated on June 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.