Warren Jeffrey Chang, MD in Bloomington, IN

Warren Jeffrey Chang, MD is a medicare enrolled "Ophthalmology" physician in Bloomington, Indiana. He went to Harvard Medical School and graduated in 1992 and has 32 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Integ Health System Pc and his current practice location is 1011 W 2nd St, Bloomington, Indiana. You can reach out to his office (for appointments etc.) via phone at (812) 334-1213.

Warren Jeffrey Chang is licensed to practice in Indiana (license number IN01052241) 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 1902888662.

Contact Information

	Warren Jeffrey Chang, MD
	1011 W 2nd St, Bloomington, IN 47403-2216
	(812) 334-1213
	(812) 333-5039

Map and Direction

Physician's Profile

Full Name	Warren Jeffrey Chang
Gender	Male
Speciality	Ophthalmology
Experience	32 Years
Location	1011 W 2nd St, Bloomington, Indiana
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:

Warren Jeffrey Chang attended and graduated from Harvard Medical School in 1992

NPI Data:

NPI Number: 1902888662
Provider Enumeration Date: 11/17/2005
Last Update Date: 02/14/2012

Medicare PECOS Information:

PECOS PAC ID: 1759556293
Enrollment ID: I20111212000141

Medical Identifiers

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

Identifier	Type	State	Issuer
1902888662	NPI	-	NPPES
200257620A	Medicaid	IN

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207W00000X	Ophthalmology	IN01052241 (Indiana)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Monroe Hospital	Bloomington, IN	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Integ Health System Pc	8921035676	7

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. Warren Jeffrey Chang allows following entities to bill medicare on his behalf.

Entity Name	Integ Health System Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1215919105 PECOS PAC ID: 8921035676 Enrollment ID: O20050725000421

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. Warren Jeffrey 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
Warren Jeffrey Chang, MD 1011 W 2nd St, Bloomington, IN 47403-2216 Ph: (812) 334-1213	Warren Jeffrey Chang, MD 1011 W 2nd St, Bloomington, IN 47403-2216 Ph: (812) 334-1213

Reviews and Comments

Ophthalmology Doctors in Bloomington, IN

Dr. Joseph Michael Mackey, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 1011 West Second Street, Bloomington, IN 47403 Phone: 812-334-1213 Fax: 812-333-5039
Dr. Rex Daniel Grossman, M.D. Ophthalmology Medicare: Medicare Enrolled Practice Location: 1011 W 2nd St, Bloomington, IN 47403 Phone: 812-334-1213 Fax: 812-333-5039
Dr. Kenneth M Tewel Jr., M.D. Ophthalmology Medicare: Not Enrolled in Medicare Practice Location: 2901 S Mcintyre Dr, Bloomington, IN 47403 Phone: 812-332-3062 Fax: 812-332-3062
Matthew Michael Fornefeld, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 481 S Landmark Ave, Bloomington, IN 47403 Phone: 812-331-8181 Fax: 812-331-8180

Warren Jeffrey Chang, MD - Medicare Ophthalmology in Bloomington, IN