Robert E. Grzesiak, OD
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 43
- Industry payments
- $145
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 4000 Luxottica Pl, Mason, OH 45040
- Practice phone
- Call (513) 765-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Luxottica of America Inc.
Mason, Ohio
Find Robert Grzesiak'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.
Robert E. Grzesiak is an optometrist in Mason, Ohio
Robert Grzesiak practices at Luxottica of America Inc. in Mason, Ohio.
Robert Grzesiak's NPI, 1073735783, was assigned on May 3, 2007. Robert Grzesiak graduated from Pennsylvania College of Optometry in 1998. Robert Grzesiak holds New York license VUT-005977-1.
- NPI
- 1073735783NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2007
- NPI status
- Active
- Practice phone
- (513) 765-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Robert E. Grzesiak practices at Luxottica of America Inc. in Mason, Ohio
Robert Grzesiak's primary practice is Luxottica of America Inc., at 4000 Luxottica Pl, Mason, OH 45040 in Warren County. The practice phone is (513) 765-6000.
- Luxottica of America Inc.4000 Luxottica Pl, Mason, OH 45040 · Warren CountyPhone(513) 765-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert E. Grzesiak is affiliated with 3 sites of care and 2 medical groups
Robert Grzesiak's primary practice is Luxottica of America Inc. in Mason, Ohio. Dmand AI also links Robert Grzesiak to 2 group practices and clinics and 2 medical groups, 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 Robert E. Grzesiak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Grzesiak practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Luxottica of America Inc. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert E. Grzesiak is one of 2,779 optometrists in Ohio
Optometrist is Robert Grzesiak's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Robert Grzesiak is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near Robert Grzesiak
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
Robert E. Grzesiak treated 192 Medicare patients in 2024, average age 74
CMS counts 192 Medicare patients who saw Robert Grzesiak in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Grzesiak's median patient age at 67, with 53% women.
Robert Grzesiak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Grzesiak's Medicare patients by sex, 2024
- Women9348%
- Men9952%
Chronic conditions among Robert Grzesiak's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis41%
- Ischemic heart disease33%
- Diabetes29%
- Anxiety19%
- Mood disorders17%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Robert Grzesiak'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
- Women53%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert E. Grzesiak wrote 43 Medicare Part D claims in 2024
In 2024, Robert Grzesiak wrote 43 Medicare Part D claims for 18 patients. 51% of them were for generic drugs.
Robert Grzesiak's Part D claims by kind of drug, 2024
- Generic22 claims51%
- Brand-name21 claims49%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Robert E. Grzesiak received $145 in industry payments in 2025
CMS Open Payments shows 2 general payments to Robert Grzesiak 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, $122.
Companies that paid Robert Grzesiak the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert E. Grzesiak graduated from Pennsylvania College of Optometry
Robert Grzesiak graduated from Pennsylvania College of Optometry in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert E. Grzesiak'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) |
| 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 Robert E. Grzesiak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert E. Grzesiak's NPI number?
Robert E. Grzesiak's NPI number is 1073735783. It was assigned on May 3, 2007, and it is active in the NPI Registry.
What does Robert E. Grzesiak specialize in?
Robert E. Grzesiak is an optometrist in Mason, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Robert E. Grzesiak practice?
Robert Grzesiak practices at 4000 Luxottica Pl, Mason, OH 45040. Robert Grzesiak's primary practice is Luxottica of America Inc. in Mason, Ohio. Dmand AI also links Robert Grzesiak to 2 group practices and clinics and 2 medical groups.
What is Robert E. Grzesiak's office phone number?
The practice phone on file for Robert Grzesiak is (513) 765-6000.
What is Robert E. Grzesiak's medical license number?
Robert Grzesiak holds New York license VUT-005977-1.
How many Medicare patients does Robert E. Grzesiak see?
CMS counts 192 Medicare patients who saw Robert Grzesiak in 2024, with an average age of 74.
Where did Robert E. Grzesiak go to medical school?
Robert Grzesiak graduated from Pennsylvania College of Optometry in 1998.
Has Robert E. Grzesiak received payments from drug or device companies?
CMS Open Payments shows $145 in general payments to Robert Grzesiak from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Robert E. Grzesiak been practicing?
Robert Grzesiak graduated from medical school in 1998, 28 years ago.
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