Tracy A Lieu, MD - Medicare Pediatrics in Chelmsford, MA

Tracy A Lieu, MD is a medicare enrolled "Pediatrics" physician in Chelmsford, Massachusetts. Her current practice location is 228 Billerica Rd, Chelmsford, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (978) 250-6300.

Tracy A Lieu is licensed to practice in Massachusetts (license number 158947) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1770562316.

Contact Information

Tracy A Lieu, MD
228 Billerica Rd,
Chelmsford, MA 01824-3604
(978) 250-6300
Not Available

Map and Direction




Physician's Profile

Full NameTracy A Lieu
GenderFemale
SpecialityPediatrics
Location228 Billerica Rd, Chelmsford, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1770562316
  • Provider Enumeration Date: 01/12/2006
  • Last Update Date: 12/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1557517075
  • Enrollment ID: I20120815000558

Medical Identifiers

Medical identifiers for Tracy A Lieu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770562316NPI-NPPES
158947OtherMATUFTS
0137201MedicaidMA
J19972OtherMABLUE CROSS
0022340OtherMANEIGHBORHOOD HEALTH
PP901OtherMAHARVARD PILGRIM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 158947 (Massachusetts)Primary

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. Tracy A Lieu allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Tracy A Lieu 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
Tracy A Lieu, MD
147 Milk St, Provider Enrollment - 9th Floor,
Boston, MA 02109-4806

Ph: (617) 559-8374
Tracy A Lieu, MD
228 Billerica Rd,
Chelmsford, MA 01824-3604

Ph: (978) 250-6300

Reviews and Comments


Pediatrics Doctors in Chelmsford, MA

Chandra Ramanathan, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 228 Billerica Rd, Chelmsford, MA 01824
Phone: 978-250-6000    
Dr. Mark Gordon Gilchrist, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 4 Meeting House Rd, Chelmsford, MA 01824
Phone: 978-250-4081    Fax: 978-250-3956
Sheila L Morehouse, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 7 Village Sq, Chelmsford, MA 01824
Phone: 978-256-4363    
Jennifer Marie Liano, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 228 Billerica Rd, Chelmsford, MA 01824
Phone: 978-250-6300    
Francheyska Silfa Mazara, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3 Kirby Ln, Chelmsford, MA 01824
Phone: 617-650-1685    
Dr. Lorna Shaw Melo, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 228 Billerica Rd, Pediatrics Dept, Chelmsford, MA 01824
Phone: 978-250-6300    
Beril Bayrak, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 7 Village Sq, Chelmsford, MA 01824
Phone: 978-256-4363    Fax: 978-256-1565

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.