Gregory M. Kosunick, OD
- Medicare patients, 2024
- 578
- Part D claims, 2024
- 670
- Hospital affiliations
- 1
- Industry payments
- $165
- Medical group
- 1
- Practice address
- 9500 Euclid Avenue, Cleveland, OH 44195
- Practice phone
- Call (216) 952-9829
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Kosunick's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregory M. Kosunick is an optometrist in Cleveland, Ohio
Gregory Kosunick practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.
Gregory Kosunick's NPI, 1699865931, was assigned on October 16, 2006. Gregory Kosunick graduated from Ohio State University - College of Optometry in 2002. Gregory Kosunick holds Ohio license 5319.
- NPI
- 1699865931NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698772259
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (216) 952-9829
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory M. Kosunick practices at Cleveland Clinic Main Campus in Cleveland, Ohio
Gregory Kosunick's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.
- Cleveland Clinic Main Campus9500 Euclid Avenue, Cleveland, OH 44195 · Cuyahoga CountyPhone(216) 952-9829
Source: Dmand AI Affiliation Data
Gregory M. Kosunick is affiliated with 3 sites of care and 1 medical group
Gregory Kosunick's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. The medical group on file is Cleveland Clinic. Dmand AI also links Gregory Kosunick to 2 more clinical labs, each named with a free account. Gregory Kosunick's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory M. Kosunick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Kosunick practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Main Campus | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Cleveland Clinic Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Gregory M. Kosunick is one of 2,779 optometrists in Ohio
Optometrist is Gregory Kosunick's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Kosunick is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Gregory Kosunick
Counts of optometrists 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
Gregory M. Kosunick treated 578 Medicare patients in 2024, average age 77
CMS counts 578 Medicare patients who saw Gregory Kosunick in 2024. The largest group is 75 to 84, with 254 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Kosunick's median patient age at 67, with 58% women.
Gregory Kosunick's Medicare patients by age, 2024
Gregory Kosunick's Medicare patients by sex, 2024
- Women33157%
- Men24743%
Chronic conditions among Gregory Kosunick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes30%
- Chronic kidney disease28%
- Ischemic heart disease26%
- Anxiety21%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Gregory Kosunick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory M. Kosunick wrote 670 Medicare Part D claims in 2024
In 2024, Gregory Kosunick wrote 670 Medicare Part D claims for 172 patients. 74% of them were for generic drugs.
Gregory Kosunick's Part D claims by kind of drug, 2024
- Generic493 claims74%
- Brand-name177 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Gregory M. Kosunick takes part in Medicare
Gregory Kosunick 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Gregory M. Kosunick received $165 in industry payments in 2025
CMS Open Payments shows 4 general payments to Gregory Kosunick from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $129.
Companies that paid Gregory Kosunick the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory M. Kosunick graduated from Ohio State University - College of Optometry
Gregory Kosunick graduated from Ohio State University - College of Optometry in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory M. Kosunick'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 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 (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 Gregory M. Kosunick
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory M. Kosunick's NPI number?
Gregory M. Kosunick's NPI number is 1699865931. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What does Gregory M. Kosunick specialize in?
Gregory M. Kosunick is an optometrist in Cleveland, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gregory M. Kosunick practice?
Gregory Kosunick practices at 9500 Euclid Avenue, Cleveland, OH 44195. Gregory Kosunick's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Gregory Kosunick to 2 clinical labs.
What is Gregory M. Kosunick's office phone number?
The practice phone on file for Gregory Kosunick is (216) 952-9829.
What is Gregory M. Kosunick's medical license number?
Gregory Kosunick holds Ohio license 5319.
Which hospitals is Gregory M. Kosunick affiliated with?
Gregory Kosunick practices at Cleveland Clinic Main Campus in Cleveland, Ohio.
What medical group is Gregory M. Kosunick part of?
Gregory Kosunick is linked to Cleveland Clinic.
Does Gregory M. Kosunick accept Medicare?
Yes. CMS lists Gregory Kosunick as accepting Medicare assignment.
How many Medicare patients does Gregory M. Kosunick see?
CMS counts 578 Medicare patients who saw Gregory Kosunick in 2024, with an average age of 77.
Where did Gregory M. Kosunick go to medical school?
Gregory Kosunick graduated from Ohio State University - College of Optometry in 2002.
Has Gregory M. Kosunick received payments from drug or device companies?
CMS Open Payments shows $165 in general payments to Gregory Kosunick from 3 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Gregory M. Kosunick been practicing?
Gregory Kosunick graduated from medical school in 2002, 24 years ago.
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