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

John Matthew Alexander, MD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1932465911

John Matthew Alexander, MD is an Ophthalmology in East Meadow, New York. Qualified in 2011, 15 years ago. Practices with Nassau Health Care Corporation, a 181-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
15
Licensed in
NY
In the registry since
2012
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

2201 Hempstead Tpke
East Meadow, NY 11554-1859
Phone: (516) 572-6706
Fax: (516) 572-9477
Show map & directions

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

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence 280857 (NY)

Record details

NPI number1932465911
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 4, 2012
Last updated in NPPESMarch 29, 2017
Mailing address3 Albertson Ln, Old Westbury, NY 11568-1412

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Nassau Health Care Corporation — 181 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount