Dr Charles Guido Cox, MD in Austin, TX - Medicare Internal Medicine

Dr Charles Guido Cox, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Austin, Texas. His current practice location is 5339 N Ih 35 Ste 100, Austin, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 978-8130.

Dr Charles Guido Cox is licensed to practice in Texas (license number R0379) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1760467443.

Contact Information

	Dr Charles Guido Cox, MD
	5339 N Ih 35 Ste 100, Austin, TX 78723-2558
	(512) 978-8130
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Charles Guido Cox
Gender	Male
Speciality	Internal Medicine - Gastroenterology
Location	5339 N Ih 35 Ste 100, Austin, Texas
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1760467443
Provider Enumeration Date: 12/14/2005
Last Update Date: 10/13/2025

Medicare PECOS Information:

PECOS PAC ID: 5092888685
Enrollment ID: I20090303000447

Medical Identifiers

Medical identifiers for Dr Charles Guido Cox such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1760467443	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	G40851 (California)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	R0379 (Texas)	Primary

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. Dr Charles Guido Cox allows following entities to bill medicare on his behalf.

Entity Name	Sonora Community Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033100854 PECOS PAC ID: 4284538505 Enrollment ID: O20040316000829

Entity Name	Eastern Plumas Health Care District
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1245236850 PECOS PAC ID: 4587576889 Enrollment ID: O20050329001076

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. Dr Charles Guido Cox 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
Dr Charles Guido Cox, MD 1111 E Cesar Chavez St, Austin, TX 78702-4209 Ph: (512) 978-8130	Dr Charles Guido Cox, MD 5339 N Ih 35 Ste 100, Austin, TX 78723-2558 Ph: (512) 978-8130

Reviews and Comments

Internal Medicine Doctors in Austin, TX

Dr. Tatiana B. Jacobson, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 5656 Bee Caves Rd. Bldg C Ste. 102, Austin, TX 78746 Phone: 512-323-5465 Fax: 512-327-1390
Preeti Venkatraman, M.B.B.S. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 601 E 15th St, Austin, TX 78701 Phone: 512-324-7000
Pritesh Harish Gandhi, M.D., M.P.H. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1101 Camino La Costa, Austin, TX 78752 Phone: 512-684-1832
Dr. Joshua Lane Davis, D.O. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1004 W 32nd St Unit 300, Austin, TX 78705 Phone: 512-324-3440
Dr. Grace Marie Grant-jennings, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 7000 North Mopac, Suite # 420, Austin, TX 78731 Phone: 512-482-0045 Fax: 512-476-9892
Dr. Debra Ann Patt, MD, MPH Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 6204 Balcones Dr, Austin, TX 78731 Phone: 512-427-9400 Fax: 512-342-2723
Dr. Matthew Morris Medlock, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 6233 Carrington Dr, Austin, TX 78749 Phone: 512-293-0247

Dr Charles Guido Cox, MD - Medicare Internal Medicine in Austin, TX