Mark A Casillas Jr, MD in Knoxville, TN - Medicare Colorectal Surgery (proctology)

Mark A Casillas Jr, MD is a medicare enrolled "Surgery" physician in Knoxville, Tennessee. He graduated from medical school in 2006 and has 18 years of diverse experience with area of expertise as Colorectal Surgery (proctology). He is a member of the group practice University Health System, Inc. and his current practice location is 1934 Alcoa Highway, Bldg D, Suite 370, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 305-5335.

Mark A Casillas Jr is licensed to practice in Rhode Island (license number LP00968) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1245458082.

Contact Information

	Mark A Casillas Jr, MD
	1934 Alcoa Highway, Bldg D, Suite 370, Knoxville, TN 37920
	(865) 305-5335
	(865) 305-8840

Map and Direction

Physician's Profile

Full Name	Mark A Casillas Jr
Gender	Male
Speciality	Colorectal Surgery (proctology)
Experience	18 Years
Location	1934 Alcoa Highway, Knoxville, Tennessee
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Mark A Casillas Jr graduated from medical school in 2006

NPI Data:

NPI Number: 1245458082
Provider Enumeration Date: 04/24/2007
Last Update Date: 02/04/2014

Medicare PECOS Information:

PECOS PAC ID: 7012165988
Enrollment ID: I20120918000677

Medical Identifiers

Medical identifiers for Mark A Casillas Jr such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1245458082	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208600000X	Surgery	LP00968 (Rhode Island)	Primary
208C00000X	Colon & Rectal Surgery	48676 (Tennessee)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
University Of Tn Medical Center	Knoxville, TN	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
University Health System, Inc.	5294646378	531

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark A Casillas Jr allows following entities to bill medicare on his behalf.

Entity Name	University Health System, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1790738763 PECOS PAC ID: 5294646378 Enrollment ID: O20031111000809

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark A Casillas Jr is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Mark A Casillas Jr, MD 1934 Alcoa Highway, Bldg D, Suite 370, Knoxville, TN 37920 Ph: (865) 305-5335	Mark A Casillas Jr, MD 1934 Alcoa Highway, Bldg D, Suite 370, Knoxville, TN 37920 Ph: (865) 305-5335

Reviews and Comments

Surgery Doctors in Knoxville, TN

Dr. Charles Stone Mitchell, M.D. Surgery Medicare: Medicare Enrolled Practice Location: 6408 Papermill Dr, Knoxville, TN 37919 Phone: 865-588-8229 Fax: 865-212-0163
Melissa Susan Phillips, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 1934 Alcoa Hwy Ste D285, Knoxville, TN 37920 Phone: 865-305-9620 Fax: 865-525-3460
Laura M Enomoto, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 1926 Alcoa Hwy Ste 300, Knoxville, TN 37920 Phone: 865-544-9218 Fax: 865-305-8262
Sung Lee, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 1819 Clinch Ave Ste 200, Knoxville, TN 37916 Phone: 865-524-3659 Fax: 865-602-3528
Dr. Heath Richard Many, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 9430 Park West Blvd Ste 310, Knoxville, TN 37923 Phone: 865-690-5263 Fax: 865-588-9740
Dr. Gregory Panos Midis, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 1819 W Clinch Ave Ste 200, Knoxville, TN 37916 Phone: 865-524-3695 Fax: 865-602-3528
Mariah Alexander Beasley, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 10810 Parkside Dr Ste 305, Knoxville, TN 37934 Phone: 865-392-3971 Fax: 865-392-3972

Mark A Casillas Jr, MD - Medicare Colorectal Surgery (proctology) in Knoxville, TN