Karen Chang, DO in Rialto, CA - Medicare Internal Medicine

Karen Chang, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Rialto, California. Her current practice location is 2006 N Riverside Ave Ste B, Rialto, California. You can reach out to her office (for appointments etc.) via phone at (909) 644-4035.

Karen Chang is licensed to practice in California (license number 20A16468) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1861855439.

Contact Information

	Karen Chang, DO
	2006 N Riverside Ave Ste B, Rialto, CA 92377-4697
	(909) 644-4035
	(909) 881-0668

Map and Direction

Physician's Profile

Full Name	Karen Chang
Gender	Female
Speciality	Internal Medicine - Gastroenterology
Location	2006 N Riverside Ave Ste B, Rialto, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1861855439
Provider Enumeration Date: 03/31/2016
Last Update Date: 01/18/2024

Medicare PECOS Information:

PECOS PAC ID: 6204257462
Enrollment ID: I20200527000683

Medical Identifiers

Medical identifiers for Karen Chang such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1861855439	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	20A16468 (California)	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. Karen Chang allows following entities to bill medicare on her behalf.

Entity Name	San Bernardino Gastroenterology Associates Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1265982375 PECOS PAC ID: 7214218726 Enrollment ID: O20161221000716

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. Karen Chang 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
Karen Chang, DO 2006 N Riverside Ave Ste B, Rialto, CA 92377-4697 Ph: () -	Karen Chang, DO 2006 N Riverside Ave Ste B, Rialto, CA 92377-4697 Ph: (909) 644-4035

Reviews and Comments

Internal Medicine Doctors in Rialto, CA

Dr. Rogelio Tan Toh, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1850 N Riverside Ave, Suite 240, Rialto, CA 92376 Phone: 909-421-2700
Dr. Kumaravelu Balasubramaniam, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 2006 N Riverside Ave, Ste B, Rialto, CA 92377 Phone: 909-881-3032 Fax: 909-881-0668
Hedyeh Mohajerin Golshan, M.D. Gastroenterology Medicare: May Accept Medicare Assignments Practice Location: 1850 N Riverside Ave, Suite 230, Rialto, CA 92376 Phone: 909-875-1199 Fax: 909-875-1166
Dr. Natasha Alexander, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 1851 N Riverside Ave, Rialto, CA 92376 Phone: 909-874-2371
Dr. Sun Chung Soung, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1734 N Riverside Ave, Suite 2, Rialto, CA 92376 Phone: 909-875-3595 Fax: 909-875-1029
Dr. Victor Guharoy, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 2006 N Riverside Ave, Rialto, CA 92377 Phone: 909-644-4033
Zeid K Kayali, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 2006 N Riverside Ave Ste A, Rialto, CA 92377 Phone: 909-883-2999 Fax: 909-883-2997

Karen Chang, DO - Medicare Internal Medicine in Rialto, CA