Sean O'Brien, OD
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 57
- Affiliated sites
- 3
- Medical groups
- 3
- State license
- 1
- Practice address
- 14901 N State Ave, Middlefield, OH 44062
- Practice phone
- Call (440) 632-1695
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Christine Graley OD
Middlefield, Ohio
Find Sean O'Brien'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.
Sean O'Brien is an optometrist in Middlefield, Ohio
Sean O'Brien practices at Christine Graley OD in Middlefield, Ohio.
Sean O'Brien's NPI, 1598248635, was assigned on September 14, 2018. Sean O'Brien holds Ohio license OPT.006703.
- NPI
- 1598248635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496007494
- NPI enumeration date
- September 14, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (440) 632-1695
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sean O'Brien practices at Christine Graley OD in Middlefield, Ohio
Sean O'Brien's primary practice is Christine Graley OD, at 14901 N State Ave, Middlefield, OH 44062 in Geauga County. The practice phone is (440) 632-1695.
- Christine Graley OD14901 N State Ave, Middlefield, OH 44062 · Geauga CountyPhone(440) 632-1695
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sean O'Brien is affiliated with 4 sites of care and 3 medical groups
Sean O'Brien's primary practice is Christine Graley OD in Middlefield, Ohio. Dmand AI also links Sean O'Brien to 3 group practices and clinics and 3 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 Sean O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sean O'Brien practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Christine Graley OD | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Sean O'Brien is one of 2,779 optometrists in Ohio
Optometrist is Sean O'Brien's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sean O'Brien is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Sean O'Brien
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
Sean O'Brien treated 26 Medicare patients in 2024, average age 70
CMS counts 26 Medicare patients who saw Sean O'Brien in 2024. 69% of them have high cholesterol, and 62% 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 Sean O'Brien's median patient age at 67, with 52% women.
Sean O'Brien's Medicare patients by sex, 2024
- Women1350%
- Men1350%
Chronic conditions among Sean O'Brien's Medicare patients, 2024
- High cholesterol69%
- High blood pressure62%
- Arthritis46%
Share of Medicare patients with each condition. A patient can have several.
Sean O'Brien'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
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sean O'Brien wrote 57 Medicare Part D claims in 2024
In 2024, Sean O'Brien wrote 57 Medicare Part D claims for 29 patients. 70% of them were for generic drugs.
Sean O'Brien's Part D claims by kind of drug, 2024
- Generic40 claims70%
- Brand-name17 claims30%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Sean O'Brien takes part in Medicare
Sean O'Brien 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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Sources for Sean O'Brien'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) |
| 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 Sean O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sean O'Brien's NPI number?
Sean O'Brien's NPI number is 1598248635. It was assigned on September 14, 2018, and it is active in the NPI Registry.
What does Sean O'Brien specialize in?
Sean O'Brien is an optometrist in Middlefield, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Sean O'Brien practice?
Sean O'Brien practices at 14901 N State Ave, Middlefield, OH 44062. Sean O'Brien's primary practice is Christine Graley OD in Middlefield, Ohio. Dmand AI also links Sean O'Brien to 3 group practices and clinics and 3 medical groups.
What is Sean O'Brien's office phone number?
The practice phone on file for Sean O'Brien is (440) 632-1695.
What is Sean O'Brien's medical license number?
Sean O'Brien holds Ohio license OPT.006703.
Does Sean O'Brien accept Medicare?
Yes. CMS lists Sean O'Brien as accepting Medicare assignment.
How many Medicare patients does Sean O'Brien see?
CMS counts 26 Medicare patients who saw Sean O'Brien in 2024, with an average age of 70.
How long has Sean O'Brien been practicing?
Sean O'Brien graduated from medical school in 2018, 8 years ago.
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