Brian T. Gerlach, FAAO, OD
- Medicare patients, 2024
- 619
- Part D claims, 2024
- 627
- MIPS score, 2024
- 86
- Industry payments
- $15
- Affiliated sites
- 1
- Practice address
- 1025 Grand Lake Rd, Celina, OH 45822
- Practice phone
- Call (419) 586-3151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grand Lake Eyecare
Celina, Ohio
Find Brian Gerlach's professional email, personal email and mobile number
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Brian T. Gerlach is an optometrist in Celina, Ohio
Brian Gerlach practices at Grand Lake Eyecare in Celina, Ohio.
Brian Gerlach's NPI, 1093776205, was assigned on March 29, 2006. Brian Gerlach graduated from Ohio State University - College of Optometry in 1999. Brian Gerlach holds Ohio license 5038T1915.
- NPI
- 1093776205NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759289838
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 586-3151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian T. Gerlach practices at Grand Lake Eyecare in Celina, Ohio
Brian Gerlach's primary practice is Grand Lake Eyecare, at 1025 Grand Lake Rd, Celina, OH 45822 in Mercer County. The practice phone is (419) 586-3151.
- Grand Lake Eyecare1025 Grand Lake Rd, Celina, OH 45822 · Mercer CountyPhone(419) 586-3151
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Brian T. Gerlach is affiliated with 2 sites of care and 1 medical group
Brian Gerlach's primary practice is Grand Lake Eyecare in Celina, Ohio. Dmand AI also links Brian Gerlach to 1 group practice or clinic and 1 medical group, 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 Brian T. Gerlach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Gerlach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grand Lake Eyecare | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Brian T. Gerlach is one of 2,779 optometrists in Ohio
Optometrist is Brian Gerlach's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Brian Gerlach is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Brian Gerlach
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
Brian T. Gerlach treated 619 Medicare patients in 2024, average age 75
CMS counts 619 Medicare patients who saw Brian Gerlach in 2024. The largest group is 65 to 74, with 342 patients. 70% of them have high blood pressure, and 67% have high cholesterol. 2% are also on Medicaid. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Brian Gerlach's median patient age at 72, with 55% women.
Brian Gerlach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Brian Gerlach's Medicare patients by sex, 2024
- Women36659%
- Men25341%
Chronic conditions among Brian Gerlach's Medicare patients, 2024
- High blood pressure70%
- High cholesterol67%
- Arthritis40%
- Ischemic heart disease23%
- Diabetes22%
- Cancer16%
- Anxiety15%
- Atrial fibrillation13%
Share of Medicare patients with each condition. A patient can have several.
Brian Gerlach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Brian T. Gerlach wrote 627 Medicare Part D claims in 2024
In 2024, Brian Gerlach wrote 627 Medicare Part D claims for 154 patients. 78% of them were for generic drugs.
Brian Gerlach's Part D claims by kind of drug, 2024
- Generic489 claims78%
- Brand-name138 claims22%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Brian T. Gerlach scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Brian Gerlach for performance year 2024, reported individually. Brian Gerlach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of cataract surgery by Brian Gerlach, more than 42% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Brian Gerlach's MIPS scores, performance year 2024
- 86of 100Final score
- 72of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Brian Gerlach ranks in Medicare procedure volume
- Cataract surgery
- 42nd percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Brian T. Gerlach received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Brian Gerlach from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. TissueTech, Inc. paid the most, $15.
Companies that paid Brian Gerlach the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Brian T. Gerlach graduated from Ohio State University - College of Optometry
Brian Gerlach graduated from Ohio State University - College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Brian T. Gerlach'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Brian T. Gerlach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brian T. Gerlach's NPI number?
Brian T. Gerlach's NPI number is 1093776205. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What does Brian T. Gerlach specialize in?
Brian T. Gerlach is an optometrist in Celina, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Brian T. Gerlach practice?
Brian Gerlach practices at 1025 Grand Lake Rd, Celina, OH 45822. Brian Gerlach's primary practice is Grand Lake Eyecare in Celina, Ohio. Dmand AI also links Brian Gerlach to 1 group practice or clinic and 1 medical group.
What is Brian T. Gerlach's office phone number?
The practice phone on file for Brian Gerlach is (419) 586-3151.
What is Brian T. Gerlach's medical license number?
Brian Gerlach holds Ohio license 5038T1915.
Does Brian T. Gerlach accept Medicare?
Yes. CMS lists Brian Gerlach as accepting Medicare assignment.
What is Brian T. Gerlach's MIPS score?
Brian Gerlach's MIPS final score for performance year 2024 is 86 out of 100, reported individually.
How many Medicare patients does Brian T. Gerlach see?
CMS counts 619 Medicare patients who saw Brian Gerlach in 2024, with an average age of 75.
Where did Brian T. Gerlach go to medical school?
Brian Gerlach graduated from Ohio State University - College of Optometry in 1999.
Has Brian T. Gerlach received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Brian Gerlach from 1 company from 2025 to 2025. The largest total came from TissueTech, Inc.
How long has Brian T. Gerlach been practicing?
Brian Gerlach graduated from medical school in 1999, 27 years ago.
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