Ewa Niemierko, MD in Concord, MA - Medicare Hematology/oncology

Ewa Niemierko, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Concord, Massachusetts. She graduated from medical school in 1981 and has 44 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Dana-farber Cancer Institute, Inc. and her current practice location is 131 Ornac, John Cumming Bldg #200, Concord, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (978) 287-3436.

Ewa Niemierko is licensed to practice in Massachusetts (license number 160258) 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 1447233549.

Contact Information

	Ewa Niemierko, MD
	131 Ornac, John Cumming Bldg #200, Concord, MA 01742-4181
	(978) 287-3436
	(978) 287-3642

Map and Direction

Physician's Profile

Full Name	Ewa Niemierko
Gender	Female
Speciality	Hematology/oncology
Experience	44 Years
Location	131 Ornac, Concord, 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:

Ewa Niemierko graduated from medical school in 1981

NPI Data:

NPI Number: 1447233549
Provider Enumeration Date: 11/22/2005
Last Update Date: 10/02/2025

Medicare PECOS Information:

PECOS PAC ID: 9436275393
Enrollment ID: I20100928001285

Medical Identifiers

Medical identifiers for Ewa Niemierko such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1447233549	NPI	-	NPPES
J22840	Other	MA	BLUE CROSS BLUE SHIELD
14512	Other	MA	HARVARD PILGRIM
2554249	Other	MA	AETNA US HEALTH
B20992701	Other	MA	CIGNA
0121746	Medicaid	MA
408304	Other	MA	TUFTS HEALTH CARE

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RH0003X	Internal Medicine - Hematology & Oncology	160258 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
South Shore Hospital	South weymouth, MA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Dana-farber Cancer Institute, Inc.	9133038904	581

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. Ewa Niemierko allows following entities to bill medicare on her behalf.

Entity Name	Dana-farber Cancer Institute, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1346433257 PECOS PAC ID: 9133038904 Enrollment ID: O20040223000142

Entity Name	Dana-farber Cancer Institute, Inc.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1851333686 PECOS PAC ID: 9133038904 Enrollment ID: O20040223000228

Entity Name	Lahey Clinic Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1063447316 PECOS PAC ID: 2264336528 Enrollment ID: O20040629001269

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. Ewa Niemierko 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
Ewa Niemierko, MD 131 Old Road To 9 Acre Cor, Suite 200, Concord, MA 01742-4181 Ph: (978) 287-3436	Ewa Niemierko, MD 131 Ornac, John Cumming Bldg #200, Concord, MA 01742-4181 Ph: (978) 287-3436

Reviews and Comments

Internal Medicine Doctors in Concord, MA

Dr. William Judson Burtis, M.D. Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 747 Main St, Suite 123, Concord, MA 01742 Phone: 978-287-9590 Fax: 978-287-5700
Dr. Paul David D'ambrosio, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 2284 Main St, Concord, MA 01742 Phone: 978-369-5575 Fax: 978-371-9189
Richard P Schwartz, MD PC Hematology & Oncology Medicare: Medicare Enrolled Practice Location: 131 Ornac Ste 510, John Cuming Building, Concord, MA 01742 Phone: 978-776-6186 Fax: 978-776-6189
Thomas Lamattina, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 131 Ornac, Concord, MA 01742 Phone: 978-371-0796
Dr. Peter Scott Benjamin, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 133 Ornac, Concord, MA 01742 Phone: 978-287-3627
Stephen M Dyda, DO Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 131 Ornac, Concord, MA 01742 Phone: 978-287-8767
Martha W Gilpatrick, M.D. Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 140 Revolutionary Rd, Concord, MA 01742 Phone: 781-724-9086

Ewa Niemierko, MD - Medicare Hematology/oncology in Concord, MA