Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Chu-Hong Chang, MD

Individual provider Ophthalmology Physician · NPI 1073516027

Dr. John Chu-Hong Chang, MD is an Ophthalmology in Pearl River, New York. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 1998, 28 years ago. Practices with Maria Spinak, MD, PC, a 2-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
28
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
NY
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

169 N Middletown Rd
Pearl River, NY 10965-2029
Phone: (845) 735-5666
Fax: (845) 735-5673
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 225687 (NY)
Specialist Taxonomy 174400000X · Licence 225687-1 (NY)

Record details

NPI number1073516027
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2005
Last updated in NPPESApril 5, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 1998 (28 years in practice)
Group practice Maria Spinak, Md, Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare