Dr Joann Cong Yin Chang, MD in Lancaster, MA

Dr Joann Cong Yin Chang, MD is a medicare enrolled "Ophthalmology" physician in Lancaster, Massachusetts. She went to University Of Cincinnati College Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice D'ambrosio Eye Care Inc and her current practice location is 479 Old Union Tpke, Lancaster, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (978) 537-3900.

Dr Joann Cong Yin Chang is licensed to practice in Massachusetts (license number 243192) 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 1730359100.

Contact Information

	Dr Joann Cong Yin Chang, MD
	479 Old Union Tpke, Lancaster, MA 01523-3029
	(978) 537-3900
	(978) 537-6030

Map and Direction

Physician's Profile

Full Name	Dr Joann Cong Yin Chang
Gender	Female
Speciality	Ophthalmology
Experience	20 Years
Location	479 Old Union Tpke, Lancaster, Massachusetts
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:

Dr Joann Cong Yin Chang attended and graduated from University Of Cincinnati College Of Medicine in 2004

NPI Data:

NPI Number: 1730359100
Provider Enumeration Date: 03/02/2008
Last Update Date: 05/02/2022

Medicare PECOS Information:

PECOS PAC ID: 0345314472
Enrollment ID: I20100715000859

Medical Identifiers

Medical identifiers for Dr Joann Cong Yin Chang such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1730359100	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207W00000X	Ophthalmology	267568 (New York)	Secondary
207W00000X	Ophthalmology	243192 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Umass Memorial Medical Center/university Campus	Worcester, MA	Hospital
Healthalliance Hospitals, Inc	Leominster, MA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
D'ambrosio Eye Care Inc	5597755314	16

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 Joann Cong Yin Chang allows following entities to bill medicare on her behalf.

Entity Name	D'ambrosio Eye Care Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1922020874 PECOS PAC ID: 5597755314 Enrollment ID: O20040514000021

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 Joann Cong Yin 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
Dr Joann Cong Yin Chang, MD 479 Old Union Tpke, Lancaster, MA 01523-3029 Ph: (978) 537-3900	Dr Joann Cong Yin Chang, MD 479 Old Union Tpke, Lancaster, MA 01523-3029 Ph: (978) 537-3900

Reviews and Comments

Ophthalmology Doctors in Lancaster, MA

Elite Bor-shavit, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 479 Old Union Tpke, Lancaster, MA 01523 Phone: 978-537-3900
Isaiah W Giese, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 479 Old Union Tpke, Lancaster, MA 01523 Phone: 978-537-3900 Fax: 978-537-6030
Oren L Weisberg, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 479 Old Union Tpke, Lancaster, MA 01523 Phone: 978-537-3900 Fax: 978-537-6030
Bin Wu, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 479 Old Union Tpke, Lancaster, MA 01523 Phone: 978-537-3900 Fax: 978-537-6030
Dr. Francis A D'ambrosio Jr., M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 479 Old Union Tpke, Lancaster, MA 01523 Phone: 978-537-3900 Fax: 978-537-6030
Dr. Sandra Yufang Hu-torres, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 479 Old Union Tpke, Lancaster, MA 01523 Phone: 978-537-3900 Fax: 978-537-6030

Dr Joann Cong Yin Chang, MD - Medicare Ophthalmology in Lancaster, MA