Thomas Chung Chang, - Medicare Interventional Radiology in Washington, DC

Thomas Chung Chang, is a medicare enrolled "Radiology - Vascular & Interventional Radiology" physician in Washington, District Of Columbia. He went to Johns Hopkins University School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Interventional Radiology. He is a member of the group practice Medstar Medical Group Radiology Llc and his current practice location is 3800 Reservoir Rd Nw, Washington, District Of Columbia. You can reach out to his office (for appointments etc.) via phone at (202) 444-3400.

Thomas Chung Chang is licensed to practice in District Of Columbia (license number 31478) 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 1689672743.

Contact Information

Thomas Chung Chang,
3800 Reservoir Rd Nw,
Washington, DC 20007-2113
(202) 444-3400
Not Available

Map and Direction




Physician's Profile

Full NameThomas Chung Chang
GenderMale
SpecialityInterventional Radiology
Experience32 Years
Location3800 Reservoir Rd Nw, Washington, District Of Columbia
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:
  • Thomas Chung Chang attended and graduated from Johns Hopkins University School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1689672743
  • Provider Enumeration Date: 07/13/2005
  • Last Update Date: 03/05/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 4082802442
  • Enrollment ID: I20170717001469

Medical Identifiers

Medical identifiers for Thomas Chung Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689672743NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0204XRadiology - Vascular & Interventional Radiology 31478 (District Of Columbia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Medstar Harbor HospitalBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medstar Medical Group Radiology Llc1557589157161

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. Thomas Chung Chang allows following entities to bill medicare on his behalf.
Entity NameMedstar Medical Group Radiology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326450156
PECOS PAC ID: 1557589157
Enrollment ID: O20140822001847
Entity NameCapitol Vascular And Oncology Institute, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659864775
PECOS PAC ID: 1456608439
Enrollment ID: O20181101001503

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. Thomas Chung 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
Thomas Chung Chang,
Po Box 418283,
Boston, MA 02241-8283

Ph: (703) 558-1544
Thomas Chung Chang,
3800 Reservoir Rd Nw,
Washington, DC 20007-2113

Ph: (202) 444-3400

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).

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