Gregory S. Sasarak, OD
- Medicare patients, 2024
- 48
- Part D claims, 2024
- 65
- Industry payments
- $133
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 9500 Euclid Ave, Cleveland, OH 44106
- Practice phone
- Call (216) 444-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cleveland Clinic Main Campus
Cleveland, Ohio
Find Gregory Sasarak'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 S. Sasarak is an optometrist in Cleveland, Ohio
Gregory Sasarak practices at Cleveland Clinic Main Campus in Cleveland, Ohio.
Gregory Sasarak's NPI, 1457429508, was assigned on November 30, 2006. Gregory Sasarak graduated from Pennsylvania College of Optometry in 2005. Gregory Sasarak holds Ohio license 5592.
- NPI
- 1457429508NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991725061
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (216) 444-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory S. Sasarak practices at Cleveland Clinic Main Campus in Cleveland, Ohio
Gregory Sasarak's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Ave, Cleveland, OH 44106 in Cuyahoga County. The practice phone is (216) 444-2200.
- Cleveland Clinic Main Campus9500 Euclid Ave, Cleveland, OH 44106 · Cuyahoga CountyPhone(216) 444-2200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory S. Sasarak is affiliated with 2 sites of care
Gregory Sasarak's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio. Dmand AI also links Gregory Sasarak to 1 physician office, 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 Gregory S. Sasarak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Sasarak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Main Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory S. Sasarak is one of 2,779 optometrists in Ohio
Optometrist is Gregory Sasarak's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Sasarak is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Gregory Sasarak
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 S. Sasarak treated 48 Medicare patients in 2024, average age 76
CMS counts 48 Medicare patients who saw Gregory Sasarak in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Sasarak's median patient age at 69, with 53% women.
Gregory Sasarak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Sasarak's Medicare patients by sex, 2024
- Women2858%
- Men2042%
Chronic conditions among Gregory Sasarak's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis38%
- Chronic kidney disease29%
- Diabetes29%
- Ischemic heart disease29%
- Anxiety27%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Gregory Sasarak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women53%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory S. Sasarak wrote 65 Medicare Part D claims in 2024
In 2024, Gregory Sasarak wrote 65 Medicare Part D claims for 26 patients. 63% of them were for generic drugs.
Gregory Sasarak's Part D claims by kind of drug, 2024
- Generic41 claims63%
- Brand-name24 claims37%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Gregory S. Sasarak takes part in Medicare
Gregory Sasarak 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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Gregory S. Sasarak received $133 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gregory Sasarak from 2 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, $116.
Companies that paid Gregory Sasarak 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 S. Sasarak graduated from Pennsylvania College of Optometry
Gregory Sasarak graduated from Pennsylvania College of Optometry in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory S. Sasarak'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 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 S. Sasarak
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 S. Sasarak's NPI number?
Gregory S. Sasarak's NPI number is 1457429508. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What does Gregory S. Sasarak specialize in?
Gregory S. Sasarak is an optometrist in Cleveland, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gregory S. Sasarak practice?
Gregory Sasarak practices at 9500 Euclid Ave, Cleveland, OH 44106. Gregory Sasarak's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio. Dmand AI also links Gregory Sasarak to 1 physician office.
What is Gregory S. Sasarak's office phone number?
The practice phone on file for Gregory Sasarak is (216) 444-2200.
What is Gregory S. Sasarak's medical license number?
Gregory Sasarak holds Ohio license 5592.
Does Gregory S. Sasarak accept Medicare?
Yes. CMS lists Gregory Sasarak as accepting Medicare assignment.
How many Medicare patients does Gregory S. Sasarak see?
CMS counts 48 Medicare patients who saw Gregory Sasarak in 2024, with an average age of 76.
Where did Gregory S. Sasarak go to medical school?
Gregory Sasarak graduated from Pennsylvania College of Optometry in 2005.
Has Gregory S. Sasarak received payments from drug or device companies?
CMS Open Payments shows $133 in general payments to Gregory Sasarak from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Gregory S. Sasarak been practicing?
Gregory Sasarak graduated from medical school in 2005, 21 years ago.
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