Dr. Katherine J. Gerlach, MD
- Part D claims, 2021
- 12
- Industry payments
- $1,801
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- Practice address
- 1 Owens Corning Pkwy, Toledo, OH 43659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Promedica Physicians Owens Corning - HOPD
Acute Care Hospital outpatient department · Toledo, Ohio
Find Dr. Gerlach'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.
Dr. Katherine J. Gerlach is a pediatrician in Toledo, Ohio
Dr. Gerlach practices at Promedica Physicians Owens Corning - HOPD in Toledo, Ohio.
Dr. Gerlach's NPI, 1609094473, was assigned on April 24, 2007. Dr. Gerlach holds Ohio license 35.089023.
- NPI
- 1609094473NPI Registry (opens in a new tab)
- NPI enumeration date
- April 24, 2007
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Katherine J. Gerlach practices at 2 locations in Toledo, Ohio
Dr. Gerlach's primary practice is Promedica Physicians Owens Corning - HOPD, at 1 Owens Corning Pkwy, Toledo, OH 43659. Dr. Gerlach also practices at ProMedica Central Physicians, 100 Madison Ave, Toledo, OH 43604.
- Promedica Physicians Owens Corning - HOPDPrimary1 Owens Corning Pkwy, Toledo, OH 43659
- ProMedica Central Physicians100 Madison Ave, Toledo, OH 43604 · Lucas CountyPhone(567) 585-1964
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Katherine J. Gerlach is affiliated with 3 sites of care and 2 medical groups
Dr. Gerlach's primary practice is Promedica Physicians Owens Corning - HOPD in Toledo, Ohio. The medical group on file is ProMedica Physicians. Dmand AI also links Dr. Gerlach to 2 more group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katherine J. Gerlach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerlach practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Promedica Physicians Owens Corning - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine J. Gerlach is one of 2,468 pediatricians in Ohio
Pediatrics is Dr. Gerlach's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Gerlach is licensed in Ohio.
Specialties and state licenses
- Pediatrics, OhioPrimary
Pediatricians near Dr. Gerlach
Counts of pediatricians 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. Katherine J. Gerlach's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Gerlach's median patient age at 10, with 54% women.
Dr. 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 10
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Katherine J. Gerlach wrote 12 Medicare Part D claims in 2021
In 2021, Dr. Gerlach wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $72 in total drug cost.
Dr. Gerlach's most prescribed drugs by claims, 2021
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. Katherine J. Gerlach received $1,801 in industry payments from 2016 to 2025
CMS Open Payments shows 98 general payments to Dr. Gerlach from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Corium, LLC paid the most, $314.
General payments to Dr. Gerlach by program year, 2016 to 2025
Companies that paid Dr. Gerlach the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Katherine J. 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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| 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. Katherine J. 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 Dr. Katherine J. Gerlach's NPI number?
Dr. Katherine J. Gerlach's NPI number is 1609094473. It was assigned on April 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine J. Gerlach?
Dr. Katherine J. Gerlach is a pediatrician in Toledo, Ohio. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Katherine J. Gerlach practice?
Dr. Gerlach practices at 1 Owens Corning Pkwy, Toledo, OH 43659. Dr. Gerlach also practices at 100 Madison Ave, Toledo, OH 43604. Dr. Gerlach's primary practice is Promedica Physicians Owens Corning - HOPD in Toledo, Ohio. Dmand AI also links Dr. Gerlach to 2 group practices and clinics and 1 medical group.
What is Dr. Katherine J. Gerlach's medical license number?
Dr. Gerlach holds Ohio license 35.089023.
What medical group is Dr. Katherine J. Gerlach part of?
Dr. Gerlach is linked to ProMedica Physicians. Dmand AI links Dr. Gerlach to 1 more medical group.
What drugs does Dr. Katherine J. Gerlach prescribe most?
In 2021 Medicare Part D data, Dr. Gerlach's most prescribed drugs by claims were Lisinopril.
Has Dr. Katherine J. Gerlach received payments from drug or device companies?
CMS Open Payments shows $1,801 in general payments to Dr. Gerlach from 23 companies from 2016 to 2025. The largest total came from Corium, LLC.
How long has Dr. Katherine J. Gerlach been practicing?
Dr. Gerlach's NPI was assigned in 2007.
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