Dr Alexander C Chang, MD - Medicare Ophthalmology in Pittsburgh, PA

Dr Alexander C Chang, MD is a medicare enrolled "Ophthalmology" physician in Pittsburgh, Pennsylvania. He went to Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University and graduated in 1976 and has 48 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Alexander Chang Md Pc and his current practice location is 2101 Greentree Rd Ste 105, Pittsburgh, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (412) 429-2020.

Dr Alexander C Chang is licensed to practice in Pennsylvania (license number MD019796E) 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 1497808760.

Contact Information

Dr Alexander C Chang, MD
2101 Greentree Rd Ste 105,
Pittsburgh, PA 15220-1400
(412) 429-2020
(412) 429-0932

Map and Direction




Physician's Profile

Full NameDr Alexander C Chang
GenderMale
SpecialityOphthalmology
Experience48 Years
Location2101 Greentree Rd Ste 105, Pittsburgh, Pennsylvania
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 Alexander C Chang attended and graduated from Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University in 1976
  NPI Data:
  • NPI Number: 1497808760
  • Provider Enumeration Date: 01/19/2007
  • Last Update Date: 01/28/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 7113906900
  • Enrollment ID: I20100304000534

Medical Identifiers

Medical identifiers for Dr Alexander C Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497808760NPI-NPPES
0007424010005MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology MD019796E (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Clair HospitalPittsburgh, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Alexander Chang Md Pc29614817592

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 Alexander C Chang allows following entities to bill medicare on his behalf.
Entity NameAlexander Chang Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386861995
PECOS PAC ID: 2961481759
Enrollment ID: O20040715000783

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 Alexander C 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 Alexander C Chang, MD
2101 Greentree Rd Ste 105,
Pittsburgh, PA 15220-1400

Ph: (412) 429-2020
Dr Alexander C Chang, MD
2101 Greentree Rd Ste 105,
Pittsburgh, PA 15220-1400

Ph: (412) 429-2020

Reviews and Comments


Ophthalmology Doctors in Pittsburgh, PA

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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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