Ruth A Ross-mccormack, MD in Arlington, MA - Medicare Internal Medicine

Ruth A Ross-mccormack, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Arlington, Massachusetts. She went to Wake Forest University School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Lahey Clinic Inc and her current practice location is 37 Broadway, Lahey Arlington, Arlington, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 641-0100.

Ruth A Ross-mccormack is licensed to practice in Massachusetts (license number 77649) 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 1295835833.

Contact Information

	Ruth A Ross-mccormack, MD
	37 Broadway, Lahey Arlington, Arlington, MA 02474-5552
	(781) 641-0100
	(781) 744-7132

Map and Direction

Physician's Profile

Full Name	Ruth A Ross-mccormack
Gender	Female
Speciality	Internal Medicine
Experience	34 Years
Location	37 Broadway, Arlington, 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:

Ruth A Ross-mccormack attended and graduated from Wake Forest University School Of Medicine in 1990

NPI Data:

NPI Number: 1295835833
Provider Enumeration Date: 09/24/2006
Last Update Date: 10/30/2012

Medicare PECOS Information:

PECOS PAC ID: 0749221174
Enrollment ID: I20050517000131

Medical Identifiers

Medical identifiers for Ruth A Ross-mccormack such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1295835833	NPI	-	NPPES
3141161	Medicaid	MA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	77649 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Lahey Hospital & Medical Center, Burlington	Burlington, MA	Hospital
Winchester Hospital	Winchester, MA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Lahey Clinic Inc	2264336528	1211

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. Ruth A Ross-mccormack allows following entities to bill medicare on her behalf.

Entity Name	Lahey Clinic Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1538194980 PECOS PAC ID: 2264336528 Enrollment ID: O20031120000097

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. Ruth A Ross-mccormack 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
Ruth A Ross-mccormack, MD Lahey Clinic, 41 Mall Road, Burlington, MA 01805-0001 Ph: (781) 764-1010	Ruth A Ross-mccormack, MD 37 Broadway, Lahey Arlington, Arlington, MA 02474-5552 Ph: (781) 641-0100

Reviews and Comments

Internal Medicine Doctors in Arlington, MA

Ronald P. Criscitiello, M.D Gastroenterology Medicare: Medicare Enrolled Practice Location: 37 Broadway, Arlington, MA 02474 Phone: 781-641-0100 Fax: 978-663-6716
Dr. Timothy Crowley, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 22 Mill St, Ste 208, Arlington, MA 02476 Phone: 781-646-2848 Fax: 781-643-4308
Robert Bruce Liberman, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 37 Broadway, Arlington, MA 02474 Phone: 781-744-5100
Mark A Sullivan, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 37 Broadway, Lahey Arlington, Arlington, MA 02474 Phone: 781-641-0100 Fax: 781-744-7132
Dr. Anne Virginia Laraia, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 22 Mill St, Suite 310, Arlington, MA 02476 Phone: 781-643-0500 Fax: 781-648-8509
Dr. Neha Malik, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 37 Broadway, 37 Broadway, Arlington, MA 02474 Phone: 781-641-0100

Ruth A Ross-mccormack, MD - Medicare Internal Medicine in Arlington, MA