Christopher H Leung, MD - Medicare Gastroenterology in Stoneham, MA

Christopher H Leung, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Stoneham, Massachusetts. He graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Hallmark Health Medical Associates Inc and his current practice location is 51 Montvale Ave, Stoneham, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 213-5200.

Christopher H Leung is licensed to practice in Massachusetts (license number 230438) 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 1538257464.

Contact Information

Christopher H Leung, MD
51 Montvale Ave,
Stoneham, MA 02180-2417
(781) 213-5200
(781) 481-9016

Map and Direction




Physician's Profile

Full NameChristopher H Leung
GenderMale
SpecialityGastroenterology
Experience20 Years
Location51 Montvale Ave, Stoneham, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Christopher H Leung graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1538257464
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 01/21/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 2961566492
  • Enrollment ID: I20090128000581

Medical Identifiers

Medical identifiers for Christopher H Leung such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538257464NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 230438 (Massachusetts)Primary
207RG0100XInternal Medicine - Gastroenterology 14969 (New Hampshire)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Melrosewakefield HealthcareMelrose, MAHospital
Tufts Medical CenterBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hallmark Health Medical Associates Inc4385638782133

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. Christopher H Leung allows following entities to bill medicare on his behalf.
Entity NameHallmark Health Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770563900
PECOS PAC ID: 4385638782
Enrollment ID: O20040409000006

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. Christopher H Leung 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
Christopher H Leung, MD
51 Montvale Ave,
Stoneham, MA 02180-2417

Ph: (781) 213-5200
Christopher H Leung, MD
51 Montvale Ave,
Stoneham, MA 02180-2417

Ph: (781) 213-5200

Reviews and Comments


Internal Medicine Doctors in Stoneham, MA

Joseph L Pennacchio, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 41 Montvale Ave, Hematology & Oncology Center, Stoneham, MA 02180
Phone: 781-224-5810    Fax: 781-224-5813
Dr. Megan Rosemary Whelton, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 3 Woodland Rd, Suite 421, Stoneham, MA 02180
Phone: 781-979-8000    Fax: 781-665-1207
Brian Thomas Clark, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 51 Montvale Ave, Stoneham, MA 02180
Phone: 781-213-5200    Fax: 781-481-9016
Dr. Gauri Bhide, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 41 Montvale Ave, Stoneham, MA 02180
Phone: 781-224-5810    Fax: 781-224-5813
Richard E Benetti, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 88 Montvale Ave, Suite 3, Stoneham, MA 02180
Phone: 781-481-9255    Fax: 781-481-9257
Michael Bader, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 92 Montvale Ave, Suite 3700, Stoneham, MA 02180
Phone: 781-438-5543    Fax: 781-438-2001
Tan Diem Pham, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 88 Montvale Avenue, Suite #3, Stoneham, MA 02180
Phone: 781-481-9255    Fax: 781-481-9257

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.