Dr Andrew A Chang, MD,MPH,MA - Medicare Allergy/immunology in Brooklyn, NY

Dr Andrew A Chang, MD,MPH,MA is a medicare enrolled "Internal Medicine - Allergy & Immunology" physician in Brooklyn, New York. He went to New York Medical College and graduated in 2008 and has 17 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice University Of Utah Adult Services and his current practice location is 451 Clarkson Ave, E Building, 7th Fl, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (718) 245-3325.

Dr Andrew A Chang is licensed to practice in Utah (license number 12715045-1205) 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 1083889117.

Contact Information

Dr Andrew A Chang, MD,MPH,MA
451 Clarkson Ave, E Building, 7th Fl,
Brooklyn, NY 11203-2054
(718) 245-3325
(718) 245-5587

Map and Direction




Physician's Profile

Full NameDr Andrew A Chang
GenderMale
SpecialityAllergy/immunology
Experience17 Years
Location451 Clarkson Ave, Brooklyn, New York
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 Andrew A Chang attended and graduated from New York Medical College in 2008
  NPI Data:
  • NPI Number: 1083889117
  • Provider Enumeration Date: 04/29/2008
  • Last Update Date: 10/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4082876016
  • Enrollment ID: I20230724002022

Medical Identifiers

Medical identifiers for Dr Andrew A Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083889117NPI-NPPES
03491921MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 258231-1 (New York)Secondary
207RA0201XInternal Medicine - Allergy & Immunology 12715045-1205 (Utah)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Utah Hospitals And ClinicsSalt lake city, UTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Utah Adult Services09415252731593

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 Andrew A Chang allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Utah Adult Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114321981
PECOS PAC ID: 0941525273
Enrollment ID: O20150209001683

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 Andrew A 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
Dr Andrew A Chang, MD,MPH,MA
451 Clarkson Ave, E Building, 7th Fl,
Brooklyn, NY 11203-2054

Ph: (718) 245-3325
Dr Andrew A Chang, MD,MPH,MA
451 Clarkson Ave, E Building, 7th Fl,
Brooklyn, NY 11203-2054

Ph: (718) 245-3325

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.