Peter R Chai, MD - Medicare Emergency Medicine in Worcester, MA

Peter R Chai, MD is a medicare enrolled "Emergency Medicine" physician in Worcester, Massachusetts. He graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Brigham And Women's Physicians Organization Inc and his current practice location is 55 Lake Ave N, Department Of Emergency Medicine, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 421-1400.

Peter R Chai is licensed to practice in Massachusetts (license number 257990) 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 1316267305.

Contact Information

Peter R Chai, MD
55 Lake Ave N, Department Of Emergency Medicine,
Worcester, MA 01655-0002
(508) 421-1400
(508) 421-1490

Map and Direction




Physician's Profile

Full NamePeter R Chai
GenderMale
SpecialityEmergency Medicine
Experience14 Years
Location55 Lake Ave N, Worcester, 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:
  • Peter R Chai graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1316267305
  • Provider Enumeration Date: 06/02/2010
  • Last Update Date: 04/21/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 8527284173
  • Enrollment ID: I20140717001065

Medical Identifiers

Medical identifiers for Peter R Chai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316267305NPI-NPPES
110098737AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine LP01974 (Rhode Island)Secondary
207P00000XEmergency Medicine 257990 (Massachusetts)Primary

Medical Facilities Affiliation

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

Group Practice Association

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

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. Peter R Chai 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

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. Peter R Chai 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
Peter R Chai, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: () -
Peter R Chai, MD
55 Lake Ave N, Department Of Emergency Medicine,
Worcester, MA 01655-0002

Ph: (508) 421-1400

Reviews and Comments


Emergency Medicine Doctors in Worcester, MA

Hillary R. Irons, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-421-1400    Fax: 508-421-1490
Dr. Thomas Evans, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 281 Lincoln St, Med Staff Svcs, Worcester, MA 01605
Phone: 508-334-8015    
Kevan John Mamdouhi, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-421-1400    Fax: 508-421-1490
Romolo J. Gaspari, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-421-1400    Fax: 508-421-1490
Alexander Hart, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Roderick Cross, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Austin Tam, MD, SCM
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-5000    

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.