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DR. ERNEST WILLIAM KORNMEHL MD
NPI 1104816842
Ophthalmology in Brookline, MA

Active since October 25, 2005PECOS EnrolledAccepts Medicare Assignment
44 WASHINGTON ST, BROOKLINE, MA 02445(617) 232-9600(617) 232-7002 Get Directions Write a Review

NPPES record last updated: February 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ernest William Kornmehl Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERNEST WILLIAM KORNMEHL MD (NPI 1104816842) is an individual ophthalmology provider in Brookline, Massachusetts, licensed in Massachusetts (58784) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1984).

NPPES Registry Identity

NPI1104816842
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. ERNEST WILLIAM KORNMEHLCredential: MD
Location Address44 WASHINGTON STBrookline, MA 02445-7130
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 232-9600
Fax(617) 232-7002
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1984
Enumeration DateOctober 25, 2005
Last NPPES UpdateFebruary 14, 2025
NPPES CertifiedFebruary 14, 2025
✔ NPI 1104816842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MA · 58784
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
44 WASHINGTON ST, Brookline, MA 02445
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Other Identifiers 3

Other058784MA · Tufts Health Plan
Medicaid3068820MA
OtherJ09372MA · Bcbs Ma

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ernest William Kornmehl Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183632243
PECOS Enrollment IDI20060330000630
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Closure of tear duct opening using plug 68761
Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.
646 services232 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
599 services220 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
216 services96 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
46 services44 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
45 services45 patients
Removal of foreign body in cornea using slit lamp 65222
This procedure involves the use of a slit lamp, a special microscope, to locate and remove a foreign object from the cornea, the clear front surface of your eye. It's a safe and effective way to clear unwanted particles and restore eye health.
16 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02445 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FELIX SHLOSMAN
Technician/Technologist (Optician)
44 WASHINGTON ST, A 103
BROOKLINE, MA 02445
Norfolk County (617) 739-0123
DOCTOR PHYSICAL THERAPY,INC
Clinic/Center (Physical Therapy)
44 WASHINGTON ST, SUITE 104
BROOKLINE, MA 02445
Norfolk County (617) 731-1004
DR. KEVIN J KAUFMANN MD PHD
Ophthalmology
44 WASHINGTON ST, SUITE 103
BROOKLINE, MA 02445
Norfolk County (617) 484-0900
ROBERT G SANDERSON M.A.
Audiologist-Hearing Aid Fitter
44 WASHINGTON ST, SUITE 102A
BROOKLINE, MA 02445
Norfolk County (617) 731-9988
DR. CHANG GOO YOON P.T.,DPT
Physical Therapist
44 WASHINGTON ST, SUITE 104
BROOKLINE, MA 02445
Norfolk County (617) 731-1004
DR. ANTHONY J FRAIOLI M.D.
Ophthalmology
44 WASHINGTON ST
BROOKLINE, MA 02445
Norfolk County (617) 232-9600
CHARLENE KELLY CARROLL AU.D.
Audiologist
44 WASHINGTON ST, SUITE 102A
BROOKLINE, MA 02445
Norfolk County (617) 731-9988
DR. ROBERT AARON GORN MD
Ophthalmology
44 WASHINGTON ST
BROOKLINE, MA 02445
Norfolk County (617) 232-9600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ernest Kornmehl's NPI number?

The NPI number for Ernest Kornmehl is 1104816842. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Ernest Kornmehl located?

Ernest Kornmehl practices at 44 Washington St, Brookline, MA 02445. The listed phone number is (617) 232-9600.

What is Ernest Kornmehl's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Ernest Kornmehl enrolled in Medicare?

Yes. Ernest Kornmehl is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ernest Kornmehl was last updated on February 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.