Dr. Constantinos N. Ketonis, MD, PhD
- Medicare services, 2024
- 349
- Medicare patients, 2024
- 136
- Part D claims, 2019
- 11
- Publications
- 33
- Hospital affiliations
- 2
- Practice address
- 350 Parrish Street, Canandaigua, NY 14424
- Practice phone
- Call (585) 396-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ketonis' professional email, personal email and mobile number
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Dr. Constantinos N. Ketonis is an orthopaedic hand surgery physician in Canandaigua, New York
Dr. Ketonis practices at F.F. Thompson Hospital in Canandaigua, New York, part of University of Rochester Medicine.
Dr. Ketonis' NPI, 1922398205, was assigned on April 8, 2011. Dr. Ketonis graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2011. Dr. Ketonis holds New York license 291118.
- NPI
- 1922398205NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022240514
- NPI enumeration date
- April 8, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (585) 396-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Constantinos N. Ketonis practices at F.F. Thompson Hospital in Canandaigua, New York
Dr. Ketonis' primary practice is F.F. Thompson Hospital, at 350 Parrish Street, Canandaigua, NY 14424 in Ontario County. The practice phone is (585) 396-6000.
- F.F. Thompson Hospital350 Parrish Street, Canandaigua, NY 14424 · Ontario CountyPhone(585) 396-6000
Source: Dmand AI Affiliation Data
Dr. Constantinos N. Ketonis is affiliated with 3 sites of care and 1 medical group
Dr. Ketonis' primary practice is F.F. Thompson Hospital in Canandaigua, New York, part of University of Rochester Medicine. Dr. Ketonis is also affiliated with Strong Memorial Hospital. The medical group on file is University of Rochester Medical Faculty Group. Dmand AI also links Dr. Ketonis to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Constantinos N. Ketonis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ketonis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| F.F. Thompson Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Constantinos N. Ketonis is one of 174 orthopaedic hand surgery physicians in New York
Hand surgery is Dr. Ketonis' primary specialty in the NPI Registry, under taxonomy code 207XS0106X. Dr. Ketonis is licensed in New York.
Specialties and state licenses
- Orthopaedic hand surgery, New YorkPrimary
Orthopaedic hand surgery physicians near Dr. Ketonis
Counts of orthopaedic hand surgery physicians 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. Constantinos N. Ketonis billed Medicare for 349 services in 2024
CMS data shows 349 Medicare services from Dr. Ketonis across 8 procedure codes in 2024, for 136 Medicare patients. Medicare paid $19,405 for them. Every service was in an office.
Dr. Ketonis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1652024: 14910%
- Drugs given in the office
- 2023: 1702024: 13024%
- Surgery
- 2023: 1032024: 7032%
Dr. Ketonis compared with the New York median for orthopaedic hand surgery physicians, 2024
- Dr. Ketonis
- New York median
- Medicare services
- 349vs 1,17070% below
- Medicare patients
- 136vs 29253% below
- Part D claims
- 11vs 3972% below
Medians across 166 orthopaedic hand surgery physicians in New York with Dmand AI profiles that report each measure.
Dr. Ketonis' 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.
Need commercial claims for Dr. Ketonis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ketonis and other orthopaedic hand surgery physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Constantinos N. Ketonis treated 136 Medicare patients in 2024, average age 70
CMS counts 136 Medicare patients who saw Dr. Ketonis in 2024. The largest group is 65 to 74, with 58 patients. 66% of them have high blood pressure, and 64% have arthritis. 26% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ketonis' median patient age at 60, with 55% women.
Dr. Ketonis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ketonis' Medicare patients by sex, 2024
- Women7253%
- Men6447%
Chronic conditions among Dr. Ketonis' Medicare patients, 2024
- High blood pressure66%
- Arthritis64%
- High cholesterol63%
- Diabetes30%
- Anxiety26%
- Mood disorders24%
- Depression23%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ketonis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Constantinos N. Ketonis wrote 11 Medicare Part D claims in 2019
In 2019, Dr. Ketonis wrote 11 Medicare Part D claims. They cover 1 drug, with $414 in total drug cost. In 2018, CMS named 31 claims across 2 drugs.
Dr. Ketonis' most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 312019: 1165%
Drugs named by CMS: 1 in 2019, 2 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Constantinos N. Ketonis ranks in the 95th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Ketonis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 90 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Ketonis, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ketonis ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 95th percentile90 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Constantinos N. Ketonis has 33 publications on record
Dmand AI links 33 papers to Dr. Ketonis, published from 2010 to 2025. 2023 was the busiest year, with 5. The most frequent topics are Anti-Bacterial Agents, Patient Reported Outcome Measures and Staphylococcus aureus. Dr. Ketonis has published most often in Hand (N Y). Dr. Ketonis' most frequent co-authors are Thomas John Carroll, MD, Asif M. Ilyas, MD and Bowen Qiu.
Dr. Ketonis' papers by year, 2015 to 2025
Topics Dr. Ketonis writes about most
- Anti-Bacterial Agents
- Patient Reported Outcome Measures
- Staphylococcus aureus
- Bone Plates
- Bone Transplantation
- Colony Count, Microbial
- Cubital Tunnel Syndrome
- Debridement
Dr. Ketonis' most frequent co-authors
- Thomas John Carroll, MD6 shared papers
- Asif M. Ilyas, MD5 shared papers
- Bowen Qiu4 shared papers
Recent publications by Dr. Ketonis
See who Dr. Ketonis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ketonis works with, so you can find a warm path to the right orthopaedic hand surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Constantinos N. Ketonis received $8,971 in industry payments from 2016 to 2025
CMS Open Payments shows 45 general payments to Dr. Ketonis from 18 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 37% of the total. Supreme Orthopedic Systems, LLC paid the most, $2,236.
General payments to Dr. Ketonis by program year, 2016 to 2025
General payments to Dr. Ketonis by kind, 2016 to 2025
- Travel and lodging$3,29937%
- Education$3,23236%
- Food and beverage$2,31826%
- Entertainment$1221%
Companies that paid Dr. Ketonis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Constantinos N. Ketonis graduated from Sidney Kimmel Medical College at Thomas Jefferson University
Dr. Ketonis graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Constantinos N. Ketonis'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Constantinos N. Ketonis
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. Constantinos N. Ketonis' NPI number?
Dr. Constantinos N. Ketonis' NPI number is 1922398205. It was assigned on April 8, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Constantinos N. Ketonis?
Dr. Constantinos N. Ketonis is an orthopaedic hand surgery physician in Canandaigua, New York. The primary specialty in the NPI Registry is Orthopaedic Hand Surgery Physician (taxonomy code 207XS0106X).
Where does Dr. Constantinos N. Ketonis practice?
Dr. Ketonis practices at 350 Parrish Street, Canandaigua, NY 14424. Dr. Ketonis' primary practice is F.F. Thompson Hospital in Canandaigua, New York, part of University of Rochester Medicine. Dmand AI also links Dr. Ketonis to 1 skilled nursing facility.
What is Dr. Constantinos N. Ketonis' office phone number?
The practice phone on file for Dr. Ketonis is (585) 396-6000.
What is Dr. Constantinos N. Ketonis' medical license number?
Dr. Ketonis holds New York license 291118.
Which hospitals is Dr. Constantinos N. Ketonis affiliated with?
Dr. Ketonis practices at F.F. Thompson Hospital in Canandaigua, New York. Dr. Ketonis is also affiliated with Strong Memorial Hospital.
What medical group is Dr. Constantinos N. Ketonis part of?
Dr. Ketonis is linked to University of Rochester Medical Faculty Group.
Does Dr. Constantinos N. Ketonis accept Medicare?
Yes. CMS data shows Dr. Ketonis billed Medicare for 349 services in 2024, and Dr. Ketonis accepts Medicare assignment.
How many Medicare patients does Dr. Constantinos N. Ketonis see?
CMS counts 136 Medicare patients who saw Dr. Ketonis in 2024, with an average age of 70.
What services does Dr. Constantinos N. Ketonis bill to Medicare?
In 2024, Dr. Ketonis' most billed Medicare services were injected or infused drug (J0702), office visit, established patient (99214) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. Constantinos N. Ketonis go to medical school?
Dr. Ketonis graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2011.
What drugs does Dr. Constantinos N. Ketonis prescribe most?
In 2019 Medicare Part D data, Dr. Ketonis' most prescribed drugs by claims were Diclofenac Sodium ER.
Has Dr. Constantinos N. Ketonis received payments from drug or device companies?
CMS Open Payments shows $8,971 in general payments to Dr. Ketonis from 18 companies from 2016 to 2025. The largest total came from Supreme Orthopedic Systems, LLC.
How long has Dr. Constantinos N. Ketonis been practicing?
Dr. Ketonis graduated from medical school in 2011, 15 years ago.
Does Dr. Constantinos N. Ketonis do research?
Dmand AI links 33 publications to Dr. Ketonis, published from 2010 to 2025.
Who does Dr. Constantinos N. Ketonis publish with?
Dr. Ketonis' most frequent co-authors are Thomas John Carroll, MD (6 shared papers), Asif M. Ilyas, MD (5 shared papers) and Bowen Qiu (4 shared papers).
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