David J Chang, MD - Medicare Internal Medicine in Philadelphia, PA

David J Chang, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Philadelphia, Pennsylvania. His current practice location is 3400 Spruce Street, 8 Penn Tower, Philadelphia, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 662-2415.

David J Chang is licensed to practice in Pennsylvania (license number MD063078L) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1902838295.

Contact Information

David J Chang, MD
3400 Spruce Street, 8 Penn Tower,
Philadelphia, PA 19104
(215) 662-2415
Not Available

Map and Direction




Physician's Profile

Full NameDavid J Chang
GenderMale
SpecialityInternal Medicine - Rheumatology
Location3400 Spruce Street, Philadelphia, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1902838295
  • Provider Enumeration Date: 07/07/2006
  • Last Update Date: 02/02/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 0941489439
  • Enrollment ID: I20110131000377

Medical Identifiers

Medical identifiers for David J Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902838295NPI-NPPES
0016568540002MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology MD063078L (Pennsylvania)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. David J Chang allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Penn-medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477658599
PECOS PAC ID: 6204730955
Enrollment ID: O20141204000196

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. David J 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
David J Chang, MD
3400 Spruce Street, 8 Penn Tower,
Philadelphia, PA 19104

Ph: () -
David J Chang, MD
3400 Spruce Street, 8 Penn Tower,
Philadelphia, PA 19104

Ph: (215) 662-2415

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.

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