Margret Chang, MD - Medicare Internal Medicine in Worcester, MA

Margret Chang, MD is a medicare enrolled "Internal Medicine" physician in Worcester, Massachusetts. She graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Umass Memorial Medical Group Inc and her current practice location is 26 Queen St, Family Practice 1, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 860-7800.

Margret Chang is licensed to practice in Massachusetts (license number 258551) 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 1902124282.

Contact Information

Margret Chang, MD
26 Queen St, Family Practice 1,
Worcester, MA 01610-2473
(508) 860-7800
(508) 860-7737

Map and Direction




Physician's Profile

Full NameMargret Chang
GenderFemale
SpecialityInternal Medicine
Experience14 Years
Location26 Queen St, Worcester, 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:
  • Margret Chang graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1902124282
  • Provider Enumeration Date: 05/11/2010
  • Last Update Date: 07/03/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 2062630080
  • Enrollment ID: I20140904000129

Medical Identifiers

Medical identifiers for Margret Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902124282NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 258551 (Massachusetts)Primary
208000000XPediatrics 258551 (Massachusetts)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Umass Memorial Medical Center/university CampusWorcester, MAHospital
Milford Regional Medical CenterMilford, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Umass Memorial Medical Group Inc42845398911898

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. Margret Chang allows following entities to bill medicare on her behalf.
Entity NameUmass Memorial Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267

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. Margret 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
Margret Chang, MD
26 Queen St, Family Practice 1,
Worcester, MA 01610-2473

Ph: (508) 860-7700
Margret Chang, MD
26 Queen St, Family Practice 1,
Worcester, MA 01610-2473

Ph: (508) 860-7800

Reviews and Comments


Internal Medicine Doctors in Worcester, MA

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Daniel M Steigman, MD
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Phone: 508-368-3120    Fax: 508-368-3121
Dr. Julia D Andrieni, M.D.
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Practice Location: 55 Lake Ave N, Department Of General Medicine, Worcester, MA 01655
Phone: 508-334-2731    

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.