Tonya S. Define, APRN, CNP
- Medicare patients, 2024
- 363
- Part D claims, 2024
- 211
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 6100 N Hamilton Rd, Westerville, OH 43081
- Practice phone
- Call (614) 293-2229
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSU Internal Medicine
Westerville, Ohio
Find Tonya Define'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.
Tonya S. Define is a nurse practitioner in Westerville, Ohio
Tonya Define practices at OSU Internal Medicine in Westerville, Ohio.
Tonya Define's NPI, 1699202226, was assigned on May 14, 2017. Tonya Define holds Ohio license APRN.CNP.021159.
- NPI
- 1699202226NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204108186
- NPI enumeration date
- May 14, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (614) 293-2229
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tonya S. Define practices at OSU Internal Medicine in Westerville, Ohio
Tonya Define's primary practice is OSU Internal Medicine, at 6100 N Hamilton Rd, Westerville, OH 43081 in Franklin County. The practice phone is (614) 293-2229.
- OSU Internal Medicine6100 N Hamilton Rd, Westerville, OH 43081 · Franklin CountyPhone(614) 293-2229
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tonya S. Define is affiliated with 2 sites of care and 1 medical group
Tonya Define's primary practice is OSU Internal Medicine in Westerville, Ohio. Tonya Define is also affiliated with Ohio State University Hospital. The medical group on file is Ohio State University 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 Tonya S. Define's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tonya Define practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSU Internal Medicine | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Tonya S. Define is one of 3,389 nurse practitioners in Ohio
Nurse practitioner is Tonya Define's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Tonya Define is licensed in Ohio.
Specialties and state licenses
- Nurse practitioner, OhioPrimary
Nurse practitioners near Tonya Define
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
Tonya S. Define treated 363 Medicare patients in 2024, average age 74
CMS counts 363 Medicare patients who saw Tonya Define in 2024. The largest group is 75 to 84, with 138 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Tonya Define's median patient age at 70, with 49% women.
Tonya Define's Medicare patients by age, 2024
Tonya Define's Medicare patients by sex, 2024
- Women18451%
- Men17949%
Chronic conditions among Tonya Define's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis55%
- Chronic kidney disease39%
- Mood disorders32%
- Depression29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Tonya Define's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tonya S. Define wrote 211 Medicare Part D claims in 2024
In 2024, Tonya Define wrote 211 Medicare Part D claims for 97 patients. 100% of them were for generic drugs.
Tonya Define's Part D claims by kind of drug, 2024
- Generic210 claims100%
- Brand-name and other1 claims0%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tonya S. Define takes part in Medicare
Tonya Define 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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Sources for Tonya S. Define'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 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) |
| 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 Tonya S. Define
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tonya S. Define's NPI number?
Tonya S. Define's NPI number is 1699202226. It was assigned on May 14, 2017, and it is active in the NPI Registry.
What does Tonya S. Define specialize in?
Tonya S. Define is a nurse practitioner in Westerville, Ohio. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Tonya S. Define practice?
Tonya Define practices at 6100 N Hamilton Rd, Westerville, OH 43081. Tonya Define's primary practice is OSU Internal Medicine in Westerville, Ohio.
What is Tonya S. Define's office phone number?
The practice phone on file for Tonya Define is (614) 293-2229.
What is Tonya S. Define's medical license number?
Tonya Define holds Ohio license APRN.CNP.021159.
Which hospitals is Tonya S. Define affiliated with?
Tonya Define is affiliated with Ohio State University Hospital.
What medical group is Tonya S. Define part of?
Tonya Define is linked to Ohio State University Physicians.
Does Tonya S. Define accept Medicare?
Yes. CMS lists Tonya Define as accepting Medicare assignment.
How many Medicare patients does Tonya S. Define see?
CMS counts 363 Medicare patients who saw Tonya Define in 2024, with an average age of 74.
How long has Tonya S. Define been practicing?
Tonya Define graduated from medical school in 2017, 9 years ago.
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