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

Dr. Ernest William Kornmehl, MD

Individual provider Ophthalmology Physician · NPI 1104816842

Dr. Ernest William Kornmehl, MD practises Ophthalmology in Brookline, Massachusetts. Graduated from State University of New York Downstate Medical Center in 1984, 42 years ago. Practices with Boston Eye Physicians and Surgeons, PC, a 6-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
42
Trained at
State University of New York Downstate Medical Center
Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

44 Washington St
Brookline, MA 02445-7130
Phone: (617) 232-9600
Fax: (617) 232-7002
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 58784 (MA)

Record details

NPI number1104816842
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2005
Last updated in NPPESFebruary 14, 2025
Certification dateFebruary 14, 2025

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1984 (42 years in practice)
Group practice Boston Eye Physicians And Surgeons, P.C. — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients285
Services billed 1,630 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Boston Eye Physicians and Surgeons, PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 6 clinicians in the practice; 4 are shown here.

Other providers in Brookline