Dr. John B. Gillen, MD
- Medicare services, 2017
- 13
- Part D claims, 2016
- 11
- Hospital affiliations
- 1
- Industry payments
- $29
- State license
- 1
- Practice address
- 950 West Wooster Street, Bowling Green, OH 43402
- Practice phone
- Call (419) 354-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gillen's professional email, personal email and mobile number
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Dr. John B. Gillen is an ophthalmologist in Bowling Green, Ohio
Dr. Gillen practices at Wood County Hospital in Bowling Green, Ohio, part of Wood County Hospital.
Dr. Gillen's NPI, 1700845948, was assigned on March 17, 2006. Dr. Gillen holds Ohio license 35-025979.
- NPI
- 1700845948NPI Registry (opens in a new tab)
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Practice phone
- (419) 354-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John B. Gillen practices at Wood County Hospital in Bowling Green, Ohio
Dr. Gillen's primary practice is Wood County Hospital, at 950 West Wooster Street, Bowling Green, OH 43402 in Wood County. The practice phone is (419) 354-8900.
- Wood County Hospital950 West Wooster Street, Bowling Green, OH 43402 · Wood CountyPhone(419) 354-8900
Source: Dmand AI Affiliation Data
Dr. John B. Gillen is affiliated with 1 site of care
Dr. Gillen's primary practice is Wood County Hospital in Bowling Green, Ohio, part of Wood County Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John B. Gillen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wood County Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Wood County Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John B. Gillen is one of 658 ophthalmologists in Ohio
Ophthalmology is Dr. Gillen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gillen is licensed in Ohio.
Specialties and state licenses
- Ophthalmology, OhioPrimary
Ophthalmologists near Dr. Gillen
Counts of ophthalmologists 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
Dr. John B. Gillen billed Medicare for 13 services in 2017
CMS data shows 13 Medicare services from Dr. Gillen across 1 procedure code in 2017, all of them office visits. Medicare paid $427 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gillen's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 332017: 1361%
Dr. Gillen compared with the Ohio median for ophthalmologists, 2017
- Dr. Gillen
- Ohio median
- Medicare services
- 13vs 1,18599% below
- Part D claims
- 11vs 64198% below
Medians across 673 ophthalmologists in Ohio with Dmand AI profiles that report each measure.
Dr. Gillen's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gillen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gillen and other ophthalmologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John B. Gillen's patients have a median age of 85
Across all payers, Dmand AI patient panel data puts Dr. Gillen's median patient age at 85, with 33% women.
Dr. Gillen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 85
Patient panel by sex, all payers
- Women33%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. John B. Gillen wrote 11 Medicare Part D claims in 2016
In 2016, Dr. Gillen wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $180 in total drug cost.
Dr. Gillen's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John B. Gillen received $29 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Gillen from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Cardinal Health Inc paid the most, $29.
Companies that paid Dr. Gillen the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John B. Gillen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. John B. Gillen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John B. Gillen's NPI number?
Dr. John B. Gillen's NPI number is 1700845948. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John B. Gillen?
Dr. John B. Gillen is an ophthalmologist in Bowling Green, Ohio. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John B. Gillen practice?
Dr. Gillen practices at 950 West Wooster Street, Bowling Green, OH 43402. Dr. Gillen's primary practice is Wood County Hospital in Bowling Green, Ohio, part of Wood County Hospital.
What is Dr. John B. Gillen's office phone number?
The practice phone on file for Dr. Gillen is (419) 354-8900.
What is Dr. John B. Gillen's medical license number?
Dr. Gillen holds Ohio license 35-025979.
Which hospitals is Dr. John B. Gillen affiliated with?
Dr. Gillen practices at Wood County Hospital in Bowling Green, Ohio.
Does Dr. John B. Gillen accept Medicare?
Yes. CMS data shows Dr. Gillen billed Medicare for 13 services in 2017.
What services does Dr. John B. Gillen bill to Medicare?
In 2017, Dr. Gillen's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. John B. Gillen prescribe most?
In 2016 Medicare Part D data, Dr. Gillen's most prescribed drugs by claims were Latanoprost.
Has Dr. John B. Gillen received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Dr. Gillen from 1 company from 2018 to 2018. The largest total came from Cardinal Health Inc.
How long has Dr. John B. Gillen been practicing?
Dr. Gillen's NPI was assigned in 2006.
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