Dr. Ernest William Kornmehl, MD
- Medicare services, 2024
- 1,595
- Medicare patients, 2024
- 285
- Part D claims, 2024
- 174
- Industry payments
- $648
- Affiliated sites
- 2
- Practice address
- 54 Washington St, Wellesley Hills, MA 02481
- Practice phone
- Call (617) 232-9600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boston Eye Physicians & Surgeons
Wellesley Hills, Massachusetts
Find Dr. Kornmehl's professional email, personal email and mobile number
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Dr. Ernest William Kornmehl is an ophthalmologist in Wellesley Hills, Massachusetts
Dr. Kornmehl practices at Boston Eye Physicians & Surgeons in Wellesley Hills, Massachusetts.
Dr. Kornmehl's NPI, 1104816842, was assigned on October 25, 2005. Dr. Kornmehl graduated from State University of New York Downstate Medical Center in 1984. Dr. Kornmehl holds Massachusetts license 58784.
- NPI
- 1104816842NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183632243
- NPI enumeration date
- October 25, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 232-9600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ernest William Kornmehl practices at Boston Eye Physicians & Surgeons in Wellesley Hills, Massachusetts
Dr. Kornmehl's primary practice is Boston Eye Physicians & Surgeons, at 54 Washington St, Wellesley Hills, MA 02481 in Norfolk County. The practice phone is (617) 232-9600.
- Boston Eye Physicians & Surgeons54 Washington St, Wellesley Hills, MA 02481 · Norfolk CountyPhone(617) 232-9600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ernest William Kornmehl is affiliated with 3 sites of care and 1 medical group
Dr. Kornmehl's primary practice is Boston Eye Physicians & Surgeons in Wellesley Hills, Massachusetts. Dmand AI also links Dr. Kornmehl to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ernest William Kornmehl's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kornmehl practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Eye Physicians & Surgeons | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ernest William Kornmehl is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. Kornmehl's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Kornmehl is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Dr. Kornmehl
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ernest William Kornmehl billed Medicare for 1,595 services in 2024
CMS data shows 1,595 Medicare services from Dr. Kornmehl across 8 procedure codes in 2024, for 285 Medicare patients. Medicare paid $180,823 for them. Every service was in an office.
Dr. Kornmehl's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 5402024: 66223%
- Office and hospital visits
- 2023: 5282024: 61116%
- Tests and treatments
- 2023: 3202024: 3221%
Dr. Kornmehl compared with the Massachusetts median for ophthalmologists, 2024
- Dr. Kornmehl
- Massachusetts median
- Medicare services
- 1,595vs 1,598Close to median
- Medicare patients
- 285vs 59452% below
- Part D claims
- 145vs 54573% below
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Kornmehl's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kornmehl and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ernest William Kornmehl treated 285 Medicare patients in 2024, average age 75
CMS counts 285 Medicare patients who saw Dr. Kornmehl in 2024. The largest group is 65 to 74, with 135 patients. 75% of them have high cholesterol, and 56% have high blood pressure. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kornmehl's median patient age at 66, with 68% women.
Dr. Kornmehl's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kornmehl's Medicare patients by sex, 2024
- Women20371%
- Men8229%
Chronic conditions among Dr. Kornmehl's Medicare patients, 2024
- High cholesterol75%
- High blood pressure56%
- Arthritis45%
- Osteoporosis31%
- Anxiety23%
- Cancer20%
- Mood disorders20%
- Ischemic heart disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kornmehl's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ernest William Kornmehl wrote 174 Medicare Part D claims in 2024
In 2024, Dr. Kornmehl wrote 174 Medicare Part D claims for 65 patients. 46% of them were for generic drugs. CMS names the drug for 145 of them, across 6 drugs with 11 or more claims each, at $80,873 in total drug cost. In 2023, CMS named 124 claims across 4 drugs.
Dr. Kornmehl's Part D claims by kind of drug, 2024
- Generic80 claims46%
- Brand-name94 claims54%
Dr. Kornmehl's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kornmehl's Part D claims, 2024
- Antibiotics20%34 of 174 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1242024: 14517%
Drugs named by CMS: 6 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ernest William Kornmehl takes part in Medicare
Dr. Kornmehl accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ernest William Kornmehl received $648 in industry payments from 2016 to 2024
CMS Open Payments shows 34 general payments to Dr. Kornmehl from 13 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $199.
General payments to Dr. Kornmehl by program year, 2016 to 2024
Companies that paid Dr. Kornmehl the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ernest William Kornmehl graduated from State University of New York Downstate Medical Center
Dr. Kornmehl graduated from State University of New York Downstate Medical Center in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ernest William Kornmehl's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ernest William Kornmehl
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ernest William Kornmehl's NPI number?
Dr. Ernest William Kornmehl's NPI number is 1104816842. It was assigned on October 25, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ernest William Kornmehl?
Dr. Ernest William Kornmehl is an ophthalmologist in Wellesley Hills, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ernest William Kornmehl practice?
Dr. Kornmehl practices at 54 Washington St, Wellesley Hills, MA 02481. Dr. Kornmehl's primary practice is Boston Eye Physicians & Surgeons in Wellesley Hills, Massachusetts. Dmand AI also links Dr. Kornmehl to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Ernest William Kornmehl's office phone number?
The practice phone on file for Dr. Kornmehl is (617) 232-9600.
What is Dr. Ernest William Kornmehl's medical license number?
Dr. Kornmehl holds Massachusetts license 58784.
Does Dr. Ernest William Kornmehl accept Medicare?
Yes. CMS data shows Dr. Kornmehl billed Medicare for 1,595 services in 2024, and Dr. Kornmehl accepts Medicare assignment.
How many Medicare patients does Dr. Ernest William Kornmehl see?
CMS counts 285 Medicare patients who saw Dr. Kornmehl in 2024, with an average age of 75.
What services does Dr. Ernest William Kornmehl bill to Medicare?
In 2024, Dr. Kornmehl's most billed Medicare services were surgery: eye (68761), office visit, established patient (99213) and eye exam or test (92012).
Where did Dr. Ernest William Kornmehl go to medical school?
Dr. Kornmehl graduated from State University of New York Downstate Medical Center in 1984.
What drugs does Dr. Ernest William Kornmehl prescribe most?
In 2024 Medicare Part D data, Dr. Kornmehl's most prescribed drugs by claims were Restasis, Doxycycline Hyclate and Xiidra.
Has Dr. Ernest William Kornmehl received payments from drug or device companies?
CMS Open Payments shows $648 in general payments to Dr. Kornmehl from 13 companies from 2016 to 2024. The largest total came from Allergan Inc.
How long has Dr. Ernest William Kornmehl been practicing?
Dr. Kornmehl graduated from medical school in 1984, 42 years ago.
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