Dr. Joann Cong Yin Chang MD Ophthalmologist

Dr. Joann Chang is an ophthalmologist in Lancaster, Massachusetts. She is affiliated with multiple hospitals in the area, including Emerson Hospital and Health Alliance Hospitals. She received her medical degree from University of Cincinnati College of Medicine and has been in practice for 5 years. She is one of 24 doctors at Emerson Hospital and one of 11 at Health Alliance Hospitals who specialize in Ophthalmology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Ophthalmologist: General Ophthalmology

Education & Medical Training

University of Chicago
Residency, Ophthalmology, 2005 - 2008

Medical College of Wisconsin Affiliated Hospitals
Residency, Internal Medicine, 2004 - 2005

University of Cincinnati College of Medicine
Class of 2004

Certifications & Licensure

American Board of Ophthalmology
Certified in Ophthalmology

MA State Medical License
Active through 2012

UT State Medical License
Active through 2014

Awards, Honors & Recognition

Meaningful Use Stage 1 Certification, Centers for Medicare & Medicaid Services
2012

Publications & Presentations

Descemet Stripping Automated Endothelial Keratoplasty Using Donor Corneas With Previous Laser In Situ Keratomileusis or Photorefractive Keratectomy: A Case Series and Donor Cap Histopathology.
Moshirfar, M., Khalifa, Y.M., Davis, D., Fenzl, C.R., Espandar, L., Chang, J.C., Mamalis, N., Mifflin, M.D.

Prospective, contralateral comparison of 120-μm and 90-μm LASIK flaps using the IntraLase FS60 femtosecond laser.
Moshirfar, M., Hatch, B.B., Chang, J.C., Kurz, C.J., Eugarrios, M.F., Mifflin, M.D.

Laser in situ keratomileusis flap complications using mechanical microkeratome versus femtosecond laser: retrospective comparison.
Moshirfar, M., Gardiner, J.P., Schliesser, J.A., Espandar, L., Feiz, V., Mifflin, M.D., Chang, J.C.

See all 8 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Massachusetts Blue Care Elect PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Harvard Pilgrim HMO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • UniCare PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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