Karen J Chang-chen, MD in Chesterfield, MO

Karen J Chang-chen, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Chesterfield, Missouri. She graduated from medical school in 2003 and has 21 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Endocrine Associates, Llc and her current practice location is 224 S Woods Mill Rd Ste 480s, Chesterfield, Missouri. You can reach out to her office (for appointments etc.) via phone at (636) 685-7744.

Karen J Chang-chen is licensed to practice in Missouri (license number 2006018028) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1508916495.

Contact Information

	Karen J Chang-chen, MD
	224 S Woods Mill Rd Ste 480s, Chesterfield, MO 63017
	(636) 685-7744
	Not Available

Map and Direction

Physician's Profile

Full Name	Karen J Chang-chen
Gender	Female
Speciality	Endocrinology
Experience	21 Years
Location	224 S Woods Mill Rd Ste 480s, Chesterfield, Missouri
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Karen J Chang-chen graduated from medical school in 2003

NPI Data:

NPI Number: 1508916495
Provider Enumeration Date: 01/11/2007
Last Update Date: 07/28/2020

Medicare PECOS Information:

PECOS PAC ID: 3577617687
Enrollment ID: I20170116000208

Medical Identifiers

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

Identifier	Type	State	Issuer
1508916495	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	2006018028 (Missouri)	Primary
207R00000X	Internal Medicine	2006018028 (Missouri)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
St Lukes Hospital	Chesterfield, MO	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Endocrine Associates, Llc	3779865381	4

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 J Chang-chen allows following entities to bill medicare on her behalf.

Entity Name	Endocrine Associates, Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1134670367 PECOS PAC ID: 3779865381 Enrollment ID: O20170206000159

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 J Chang-chen 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 J Chang-chen, MD 224 S Woods Mill Rd Ste 480s, Chesterfield, MO 63017-3609 Ph: (636) 685-7744	Karen J Chang-chen, MD 224 S Woods Mill Rd Ste 480s, Chesterfield, MO 63017 Ph: (636) 685-7744

Reviews and Comments

Internal Medicine Doctors in Chesterfield, MO

Rachel Lynn Fishman Oiknine, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 222 S Woods Mill Rd, Suite 410n, Chesterfield, MO 63017 Phone: 314-469-6224 Fax: 314-469-0744
Xiaoling Wu, MD Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 224 S Woods Mill Rd, Suite 370 South, Chesterfield, MO 63017 Phone: 314-878-2460
Michael Carl Fusco, M.D. Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 14528 S Outer 40, Suite 300, Chesterfield, MO 63017 Phone: 314-214-8100 Fax: 314-214-8233
David H Cort, M.D. Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 226 S Woods Mill Rd, Suite 52 West, Chesterfield, MO 63017 Phone: 314-434-2399 Fax: 314-434-5653
Meghashyam Jayateerth Koti, MD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 15740 S Outer 40 Rd # C, Chesterfield, MO 63017 Phone: 636-735-4963
Muhammad Arsalan, MD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 224 S Woods Mill Rd Ste 400, Chesterfield, MO 63017 Phone: 314-205-6050 Fax: 314-205-6350
Svetha Chunduri, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 224 S Woods Mill Rd # 404s, Chesterfield, MO 63017 Phone: 314-682-6500 Fax: 314-552-7276

Karen J Chang-chen, MD - Medicare Endocrinology in Chesterfield, MO