Dr Lee-shing Chang, MD - Medicare Internal Medicine in Boston, MA

Dr Lee-shing Chang, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Boston, Massachusetts. He went to Northwestern University Feinberg Medical School and graduated in 2012 and has 12 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Brigham And Women's Physicians Organization Inc and his current practice location is 221 Longwood Avenue, Rfb-2, Bwh,endocrinology, Diabetes And Hypertension, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 732-5666.

Dr Lee-shing Chang is licensed to practice in Massachusetts (license number 275275) 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 1033473624.

Contact Information

Dr Lee-shing Chang, MD
221 Longwood Avenue, Rfb-2, Bwh,endocrinology, Diabetes And Hypertension,
Boston, MA 02115
(617) 732-5666
(617) 525-0436



Physician's Profile

Full NameDr Lee-shing Chang
GenderMale
SpecialityInternal Medicine
Experience12 Years
Location221 Longwood Avenue, Rfb-2, Boston, 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:
  • Dr Lee-shing Chang attended and graduated from Northwestern University Feinberg Medical School in 2012
  NPI Data:
  • NPI Number: 1033473624
  • Provider Enumeration Date: 06/27/2012
  • Last Update Date: 09/24/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8022300706
  • Enrollment ID: I20181015002820

Medical Identifiers

Medical identifiers for Dr Lee-shing Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033473624NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 263128 (Massachusetts)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 275275 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Brigham And Women's HospitalBoston, MAHospital
Faulkner Hospital-brigham And Women'sBoston, MAHospital
Newton-wellesley HospitalNewton, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Brigham And Women's Physicians Organization Inc38704059882510

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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. Dr Lee-shing Chang allows following entities to bill medicare on his behalf.
Entity NameBrigham And Women's Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033535497
PECOS PAC ID: 3870405988
Enrollment ID: O20150107001260

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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. Dr Lee-shing Chang 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
Dr Lee-shing Chang, MD
221 Longwood Avenue, Rfb-2, Bwh,endocrinology, Diabetes And Hypertension,
Boston, MA 02115

Ph: (617) 732-5666
Dr Lee-shing Chang, MD
221 Longwood Avenue, Rfb-2, Bwh,endocrinology, Diabetes And Hypertension,
Boston, MA 02115

Ph: (617) 732-5666

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Internal Medicine Doctors in Boston, MA

Kaitlyn My-tu Lam, MBBS
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114
Phone: 617-724-7738    
Kui Toh Gerard Leong, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 55 Fruit Street, Massachusetts General Hospital, Boston, MA 02114
Phone: 617-726-8862    
Ruma Rajbhandari,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-525-6841    
Alaka Ray, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114
Phone: 617-726-2066    
Meghan E Sise, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114
Phone: 617-726-2862    
Aaron Dickstein, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 800 Washington St, Box 233, Boston, MA 02111
Phone: 617-636-5883    Fax: 617-636-9292
Dr. Felicia Elizabeth Patch, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 801 Massachusetts Ave, Crosstown 2, Boston, MA 02118
Phone: 617-414-4376    Fax: 617-414-4676

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