John David Seng, OD
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 335
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 1725 Western Ave, Findlay, OH 45840
- Practice phone
- Call (419) 422-5526
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Opti-Health Group Inc
Findlay, Ohio
Find John Seng'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.
John David Seng is an optometrist in Findlay, Ohio
John Seng practices at The Opti-Health Group Inc in Findlay, Ohio.
John Seng's NPI, 1487630943, was assigned on December 16, 2005. John Seng graduated from Ohio State University - College of Optometry in 1982. John Seng holds Ohio license 3635 T184.
- NPI
- 1487630943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517151160
- NPI enumeration date
- December 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 422-5526
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John David Seng practices at The Opti-Health Group Inc in Findlay, Ohio
John Seng's primary practice is The Opti-Health Group Inc, at 1725 Western Ave, Findlay, OH 45840 in Hancock County. The practice phone is (419) 422-5526.
- The Opti-Health Group Inc1725 Western Ave, Findlay, OH 45840 · Hancock CountyPhone(419) 422-5526
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John David Seng is affiliated with 1 site of care and 1 medical group
John Seng's primary practice is The Opti-Health Group Inc in Findlay, Ohio. The medical group on file is Firelands Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John David Seng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Seng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Opti-Health Group Inc | Available with a free account |
Source: Dmand AI Technology Install Data
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John David Seng is one of 2,779 optometrists in Ohio
Optometrist is John Seng's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Seng is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near John Seng
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
John David Seng treated 59 Medicare patients in 2024, average age 67
CMS counts 59 Medicare patients who saw John Seng in 2024. The largest group is 65 to 74, with 28 patients. 68% of them have high blood pressure, and 61% have high cholesterol. 34% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Seng's median patient age at 58, with 60% women.
John Seng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Seng's Medicare patients by sex, 2024
- Women3559%
- Men2441%
Chronic conditions among John Seng's Medicare patients, 2024
- High blood pressure68%
- High cholesterol61%
- Arthritis44%
- Diabetes29%
- Anxiety24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
John Seng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John David Seng wrote 335 Medicare Part D claims in 2024
In 2024, John Seng wrote 335 Medicare Part D claims for 88 patients. 75% of them were for generic drugs.
John Seng's Part D claims by kind of drug, 2024
- Generic250 claims75%
- Brand-name85 claims25%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John David Seng takes part in Medicare
John Seng 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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John David Seng graduated from Ohio State University - College of Optometry
John Seng graduated from Ohio State University - College of Optometry in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John David Seng'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) |
| 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 John David Seng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John David Seng's NPI number?
John David Seng's NPI number is 1487630943. It was assigned on December 16, 2005, and it is active in the NPI Registry.
What does John David Seng specialize in?
John David Seng is an optometrist in Findlay, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John David Seng practice?
John Seng practices at 1725 Western Ave, Findlay, OH 45840. John Seng's primary practice is The Opti-Health Group Inc in Findlay, Ohio.
What is John David Seng's office phone number?
The practice phone on file for John Seng is (419) 422-5526.
What is John David Seng's medical license number?
John Seng holds Ohio license 3635 T184.
What medical group is John David Seng part of?
John Seng is linked to Firelands Health.
Does John David Seng accept Medicare?
Yes. CMS lists John Seng as accepting Medicare assignment.
How many Medicare patients does John David Seng see?
CMS counts 59 Medicare patients who saw John Seng in 2024, with an average age of 67.
Where did John David Seng go to medical school?
John Seng graduated from Ohio State University - College of Optometry in 1982.
How long has John David Seng been practicing?
John Seng graduated from medical school in 1982, 44 years ago.
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