Mason Trevor Callahan
- Hospital affiliations
- 1
- Industry payments
- $33
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 3188 Bellevue Ave, Cincinnati, OH 45219
- Practice phone
- Call (513) 584-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UC Medical Center
Cincinnati, Ohio
Find Mason Callahan'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.
Mason Trevor Callahan is a nurse practitioner in Cincinnati, Ohio
Mason Callahan practices at UC Medical Center in Cincinnati, Ohio.
Mason Callahan's NPI, 1053104406, was assigned on May 28, 2025. Mason Callahan holds Ohio license APRN.CNP.0039360.
- NPI
- 1053104406NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719481795
- NPI enumeration date
- May 28, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (513) 584-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mason Trevor Callahan practices at UC Medical Center in Cincinnati, Ohio
Mason Callahan's primary practice is UC Medical Center, at 3188 Bellevue Ave, Cincinnati, OH 45219 in Hamilton County. The practice phone is (513) 584-1000.
- UC Medical Center3188 Bellevue Ave, Cincinnati, OH 45219 · Hamilton CountyPhone(513) 584-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mason Trevor Callahan is affiliated with 2 sites of care and 1 medical group
Mason Callahan's primary practice is UC Medical Center in Cincinnati, Ohio. Mason Callahan is also affiliated with University of Cincinnati Medical Center. The medical group on file is University of Cincinnati Physicians.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mason Trevor Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mason Callahan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UC Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mason Trevor Callahan is one of 3,389 nurse practitioners in Ohio
Nurse practitioner is Mason Callahan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mason Callahan is licensed in Ohio.
Specialties and state licenses
- Nurse practitioner, OhioPrimary
Nurse practitioners near Mason Callahan
Counts of nurse practitioners 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
Mason Trevor Callahan's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Mason Callahan's median patient age at 60, with 43% women.
Mason Callahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
How Mason Trevor Callahan takes part in Medicare
Mason Callahan 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)
Mason Trevor Callahan received $33 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mason Callahan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $33.
Companies that paid Mason Callahan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mason Trevor Callahan'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Mason Trevor Callahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mason Trevor Callahan's NPI number?
Mason Trevor Callahan's NPI number is 1053104406. It was assigned on May 28, 2025, and it is active in the NPI Registry.
What does Mason Trevor Callahan specialize in?
Mason Trevor Callahan is a nurse practitioner in Cincinnati, Ohio. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mason Trevor Callahan practice?
Mason Callahan practices at 3188 Bellevue Ave, Cincinnati, OH 45219. Mason Callahan's primary practice is UC Medical Center in Cincinnati, Ohio.
What is Mason Trevor Callahan's office phone number?
The practice phone on file for Mason Callahan is (513) 584-1000.
What is Mason Trevor Callahan's medical license number?
Mason Callahan holds Ohio license APRN.CNP.0039360.
Which hospitals is Mason Trevor Callahan affiliated with?
Mason Callahan is affiliated with University of Cincinnati Medical Center.
What medical group is Mason Trevor Callahan part of?
Mason Callahan is linked to University of Cincinnati Physicians.
Does Mason Trevor Callahan accept Medicare?
Yes. CMS lists Mason Callahan as accepting Medicare assignment.
Has Mason Trevor Callahan received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Mason Callahan from 1 company from 2025 to 2025. The largest total came from Dexcom, Inc.
How long has Mason Trevor Callahan been practicing?
Mason Callahan graduated from medical school in 2025, 1 years ago.
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