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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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
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.
- 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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479 Old Union Turnpike
Lancaster, MA 01523
Phone: (978) 537-3900
Fax: (978) 537-6030