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

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



Physician's Profile

Full NameRuth A Ross-mccormack
GenderFemale
SpecialityInternal Medicine
Experience34 Years
Location37 Broadway, Arlington, Massachusetts
Accepts Medicare AssignmentsYes. 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.
IdentifierTypeStateIssuer
1295835833NPI-NPPES
3141161MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 77649 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Lahey Hospital & Medical Center, BurlingtonBurlington, MAHospital
Winchester HospitalWinchester, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lahey Clinic Inc22643365281211

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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 NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538194980
PECOS PAC ID: 2264336528
Enrollment ID: O20031120000097

News Archive

Researchers discover Hyalomma ticks in migratory birds

A type of haemorrhagic fever (Crimean-Congo) that is prevalent in Africa, Asia, and the Balkans has begun to spread to new areas in southern Europe. Now Swedish researchers have shown that migratory birds carrying ticks are the possible source of contagion.

Trio's pioneering silicone ostomy product wins prestigious Queen's Award for Enterprise

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Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063447316
PECOS PAC ID: 2264336528
Enrollment ID: O20040629001269

News Archive

Researchers discover Hyalomma ticks in migratory birds

A type of haemorrhagic fever (Crimean-Congo) that is prevalent in Africa, Asia, and the Balkans has begun to spread to new areas in southern Europe. Now Swedish researchers have shown that migratory birds carrying ticks are the possible source of contagion.

Trio's pioneering silicone ostomy product wins prestigious Queen's Award for Enterprise

A life changing silicone adhesive that prevents abdominal stomas from leaking and provides a range of benefits for patients and healthcare professionals, has been awarded the prestigious Queen's Award for Enterprise.

Negative-pressure wound therapy does not promote healing: Research

Negative-pressure wound therapy probably does not promote healing. This is the conclusion of Frank Peinemann and Stefan Sauerland's meta-analysis in the current edition of Deutsches Ärzteblatt International.

New diagnostic test aims to accurately track progression of symptoms in MS patients

With a recent two-year, $833,000 grant from the U.S. Department of Defense, kinesiology professor Richard van Emmerik and colleagues at the University of Massachusetts Amherst hope to eventually help an estimated 1 million people worldwide living with progressive multiple sclerosis (MS) by creating an improved diagnostic test for this form of the disease, which is characterized by a steady decrease in nervous system function.

Read more Medical News

› Verified 9 days ago

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 AddressPractice 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

News Archive

Researchers discover Hyalomma ticks in migratory birds

A type of haemorrhagic fever (Crimean-Congo) that is prevalent in Africa, Asia, and the Balkans has begun to spread to new areas in southern Europe. Now Swedish researchers have shown that migratory birds carrying ticks are the possible source of contagion.

Trio's pioneering silicone ostomy product wins prestigious Queen's Award for Enterprise

A life changing silicone adhesive that prevents abdominal stomas from leaking and provides a range of benefits for patients and healthcare professionals, has been awarded the prestigious Queen's Award for Enterprise.

Negative-pressure wound therapy does not promote healing: Research

Negative-pressure wound therapy probably does not promote healing. This is the conclusion of Frank Peinemann and Stefan Sauerland's meta-analysis in the current edition of Deutsches Ärzteblatt International.

New diagnostic test aims to accurately track progression of symptoms in MS patients

With a recent two-year, $833,000 grant from the U.S. Department of Defense, kinesiology professor Richard van Emmerik and colleagues at the University of Massachusetts Amherst hope to eventually help an estimated 1 million people worldwide living with progressive multiple sclerosis (MS) by creating an improved diagnostic test for this form of the disease, which is characterized by a steady decrease in nervous system function.

Read more News

› Verified 9 days ago


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    

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