Question 1

What is Mark A. Casillas JR., M.D.'s email address?

Accepted Answer

Mark A. Casillas JR., M.D.'s email address is available to verified Dmand AI users. Their primary practice is located at University of Tennessee Medical Center in Knoxville, Tennessee. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Mark A. Casillas JR., M.D.'s phone number?

Accepted Answer

Mark A. Casillas JR., M.D.'s direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Mark A. Casillas JR., M.D. practice?

Accepted Answer

Mark A. Casillas JR., M.D. is a Surgery Physician physician currently practicing at University of Tennessee Medical Center in Knoxville, Tennessee. They hold admitting privileges at 1 hospital(s), including UNIVERSITY HEALTH SYSTEM, INC. To see all the affiliations of Mark A. Casillas JR., M.D., start a free trial.

Question 4

What is Mark A. Casillas JR., M.D.'s specialty?

Accepted Answer

Mark A. Casillas JR., M.D. is a board-certified Surgery Physician physician. They practice at University of Tennessee Medical Center in Knoxville, Tennessee.

Question 5

What procedures does Mark A. Casillas JR., M.D. perform?

Accepted Answer

Mark A. Casillas JR., M.D. performs procedures across 255 clinical categories. Their most commonly billed procedures based on Medicare claims data include , , and . Full procedure and CPT code data is available to Dmand AI subscribers, start a free trial.

Question 6

What is Mark A. Casillas JR., M.D.'s NPI number?

Accepted Answer

Mark A. Casillas JR., M.D.'s National Provider Identifier (NPI) is 1245458082. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 208600000X, corresponding to Surgery Physician.

Question 7

What EHR does Mark A. Casillas JR., M.D. use?

Accepted Answer

The EHR and practice technology used by Mark A. Casillas JR., M.D. at University of Tennessee Medical Center is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Mark A. Casillas JR., M.D. accept?

Accepted Answer

Mark A. Casillas JR., M.D. accepts 17 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Mark A. Casillas JR., M.D. affiliated with?

Accepted Answer

Mark A. Casillas JR., M.D. holds hospital privileges at 1 institution(s). Their primary affiliation is UNIVERSITY HEALTH SYSTEM, INC in Knoxville, Tennessee.

Question 10

What are Mark A. Casillas JR., M.D.'s board certifications?

Accepted Answer

Mark A. Casillas JR., M.D. is board certified by American Board of Colon and Rectal Surgery in Colon & Rectal Surgery with subspecialty certification in Surgery. They have maintained this certification since .

Question 11

Where did Mark A. Casillas JR., M.D. go to medical school?

Accepted Answer

Mark A. Casillas JR., M.D. received their medical degree from Heersink School of Medicine - Birmingham in 2006. They completed their residency at and a fellowship in Colon and Rectal Surgery at Indiana University School Of Medicine.

Question 12

How many patients does Mark A. Casillas JR., M.D. see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Mark A. Casillas JR., M.D. served approximately 245 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Mark A. Casillas JR., M.D. belong to?

Accepted Answer

Mark A. Casillas JR., M.D. is affiliated with UNIVERSITY HEALTH SYSTEM, INC., a large (20+ physician) practice with 330 physicians based in Knoxville, Tennessee. The practice is independently owned.

Question 14

Does Mark A. Casillas JR., M.D. conduct clinical research or trials?

Accepted Answer

Mark A. Casillas JR., M.D. has 18 indexed publications on record and no active clinical trial listings were found at time of last verification. Their research activity is available to Dmand AI subscribers. Sign up for a free trial to unlock their full research activity.

#	Procedure Code (CPT®/HCPCS II)	Procedure Patients	Procedure Volume
1	46600Diagnostic examination of the anus using an endoscope	51	54
2	99213Established patient office or other outpatient visit, typically 15 minutes	48	53
3	99204New patient office or other outpatient visit, 45-59 minutes	32	32
4	99205New patient office or other outpatient visit, typically 60 minutes	25	25
5	99203New patient outpatient visit, total time 30-44 minutes	21	21

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Mark A. Casillas JR., M.D.

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