Dr William C Chiu, MD - Medicare General Surgery in Baltimore, MD

Dr William C Chiu, MD is a medicare enrolled "Surgery - Trauma Surgery" physician in Baltimore, Maryland. He went to University Of Maryland School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Shock Trauma Associates Pa and his current practice location is 22 S Greene St, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 328-6566.

Dr William C Chiu is licensed to practice in Maryland (license number D46147) 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 1518939925.

Contact Information

Dr William C Chiu, MD
22 S Greene St,
Baltimore, MD 21201-1544
(410) 328-6566
(410) 328-4124

Map and Direction




Physician's Profile

Full NameDr William C Chiu
GenderMale
SpecialityGeneral Surgery
Experience36 Years
Location22 S Greene St, Baltimore, Maryland
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 William C Chiu attended and graduated from University Of Maryland School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1518939925
  • Provider Enumeration Date: 02/02/2006
  • Last Update Date: 05/16/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9537129416
  • Enrollment ID: I20041014000929

Medical Identifiers

Medical identifiers for Dr William C Chiu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518939925NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0127XSurgery - Trauma Surgery D46147 (Maryland)Primary
2086S0102XSurgery - Surgical Critical Care D46147 (Maryland)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Maryland Medical CenterBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Shock Trauma Associates Pa6800882317230

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 William C Chiu allows following entities to bill medicare on his behalf.
Entity NameShock Trauma Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679512909
PECOS PAC ID: 6800882317
Enrollment ID: O20040421000976

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 William C Chiu 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 William C Chiu, MD
Po Box 64793,
Baltimore, MD 21264-4793

Ph: (410) 328-6566
Dr William C Chiu, MD
22 S Greene St,
Baltimore, MD 21201-1544

Ph: (410) 328-6566

Reviews and Comments


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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.