Diana Marie Kellar, MSN
Family Nurse Practitioner · Vienna, OH
Diana Marie Kellar, MSN is a family nurse practitioner with a practice address in Vienna, Ohio, and NPI 1801238084, issued on Jul 29, 2013. Check the license (Ohio COA14840NP, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Marie Kellar
- Credential
- MSN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- COA14840NP OH
Self-reported in NPPES; status is on the state search - Practice location
- 341 Youngstown Kingsville RD SE, Vienna, OH 44473
- Phone
- (330) 394-2305
- Enumerated
- Jul 29, 2013
- Record last updated
- Oct 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (330) 394-1405
- Medicaid ID
- 0098717 OH
- Medicare enrollment
- Enrolled (PECOS I20131101000600); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,647 in Ohio → Look up another NPI →
Also registered at 341 Youngstown Kingsville RD SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Davis, DOFamily Medicine Physician1336145309
- Daniel Fitzpatrick, D.O.Family Medicine Physician1952357758
- Tiffany Foust, MSN, FNP-CFamily Nurse Practitioner1821538000
Verify Diana Marie Kellar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license COA14840NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.6 times the Medicare Part D claims of the average family nurse practitioner in 2024
7,351 Medicare Part D claims for 686 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 152 claims were for opioids.
Most prescribed
- Atorvastatin Calcium402 claims
- Levothyroxine Sodium296 claims
- Lisinopril248 claims
- Amlodipine Besylate224 claims
- Losartan Potassium191 claims
- Metoprolol Succinate184 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mercy Health Physicians Youngstown, LLCVienna, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Marie Kellar among 9,647 family nurse practitioner records in Ohio
Diana Marie Kellar, MSN is one of 9,647 family nurse practitioner records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 18% of them.
- NPI issued2013 · 18% of these records are older, 78% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2018 among the 6,366 with a school on file
- Record last updated2015 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family nurse practitioner records list a practice address in Vienna
They are 2 of the 27 NPPES records with a practice address in Vienna, and 9,647 family nurse practitioner records in Ohio.
All 9,647 in Ohio → Every provider in Vienna → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Tiffany Foust, MSN, FNP-CVienna, OH 444731821538000
- Michelle Dearduff, NPWarren, OH 444811518400431
- Tiffany KnepperWarren, OH 444811740893577
- Gregory Bresnahan, CNPWarren, OH 444831457878266
- Charmaine Brown, FNP-CWarren, OH 444831942722418
- Jill Fabian, CNPWarren, OH 444831639544166
- Elizabeth GhindiaWarren, OH 444831992433379
- Catherine Migliozzi, FNP-CWarren, OH 444831508240896
Common questions
What is Diana Marie Kellar, MSN's NPI number?
Diana Marie Kellar, MSN's National Provider Identifier (NPI) is 1801238084, issued on Jul 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Diana Marie Kellar, MSN located?
The NPPES record lists a practice address at 341 Youngstown Kingsville RD SE, Vienna, OH, 44473. Phone: (330) 394-2305. Providers update this record themselves, so call before visiting.
How can I verify Diana Marie Kellar, MSN's license?
NPPES lists Ohio license number COA14840NP, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Marie Kellar, MSN prescribe under Medicare Part D?
In 2024, Diana Marie Kellar, MSN had 7,351 Medicare Part D claims for 686 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.