Jacek Zajac, MD in Lombard, IL - Medicare Endocrinology

Jacek Zajac, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Lombard, Illinois. He graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Endocrinology Associates Sc and his current practice location is 2500 S Highland Ave, Ste 104, Lombard, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 629-3610.

Jacek Zajac is licensed to practice in Illinois (license number 361-07774) 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 1396817912.

Contact Information

	Jacek Zajac, MD
	2500 S Highland Ave, Ste 104, Lombard, IL 60148-5381
	(630) 629-3610
	(630) 629-4878

Map and Direction

Physician's Profile

Full Name	Jacek Zajac
Gender	Male
Speciality	Endocrinology
Experience	33 Years
Location	2500 S Highland Ave, Lombard, Illinois
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:

Jacek Zajac graduated from medical school in 1991

NPI Data:

NPI Number: 1396817912
Provider Enumeration Date: 11/15/2006
Last Update Date: 02/20/2024

Medicare PECOS Information:

PECOS PAC ID: 7618998873
Enrollment ID: I20051215000606

Medical Identifiers

Medical identifiers for Jacek Zajac such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1396817912	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	361-07774 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Residential Home Health	Downers grove, IL	Home health agency
Advocate Home Health Care Serv	Lombard, IL	Home health agency
Elmhurst Memorial Hospital	Elmhurst, IL	Hospital
Advocate Good Samaritan Hospital	Downers grove, IL	Hospital
Advocate Illinois Masonic Medical Center	Chicago, IL	Hospital
Edward Hospital	Naperville, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Endocrinology Associates Sc	5193746352	2

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. Jacek Zajac allows following entities to bill medicare on his behalf.

Entity Name	Endocrinology Associates Sc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1285755223 PECOS PAC ID: 5193746352 Enrollment ID: O20051215000197

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. Jacek Zajac 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
Jacek Zajac, MD 2500 S Highland Ave, Ste 104, Lombard, IL 60148-5381 Ph: (630) 629-3610	Jacek Zajac, MD 2500 S Highland Ave, Ste 104, Lombard, IL 60148-5381 Ph: (630) 629-3610

Reviews and Comments

Internal Medicine Doctors in Lombard, IL

Dr. Diane Gale Rapaport, M.D. Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 580 Waters Edge, Suite 100, Lombard, IL 60148 Phone: 630-495-8484 Fax: 630-495-1598
Rong Shang Tu, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 2340 S Highland Ave, 230, Lombard, IL 60148 Phone: 630-932-2040 Fax: 866-932-1513
Dr. Nasser A Boshra, M.D Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 1801 S Highland Ave Ste 130, Lombard, IL 60148 Phone: 630-627-4722 Fax: 630-627-9134
Shawn George, DO Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 500 E. 22nd Street, Suite A, Lombard, IL 60148 Phone: 630-932-2055 Fax: 630-932-2059
Julia C Andreoni, M.D. Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 1801 S Highland Ave, Ste 130, Lombard, IL 60148 Phone: 630-627-4722
Ninel Kandel, MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 130 S Main St Ste 201, Lombard, IL 60148 Phone: 331-221-9001 Fax: 331-221-3957
Dr. Laura U Vetrone, MD. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 130 S Main St Ste 201, Lombard, IL 60148 Phone: 331-221-9001

Jacek Zajac, MD - Medicare Endocrinology in Lombard, IL