Catherine Mary Vonderhaar, CNP
Family Nurse Practitioner · Mason, OH
Catherine Mary Vonderhaar, CNP is a family nurse practitioner with a practice address in Mason, Ohio, and NPI 1639500259, issued on Dec 7, 2013. Check the license (Ohio COA15438NP, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Mary Vonderhaar
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- COA15438NP OH
Self-reported in NPPES; status is on the state search - Practice location
- 7622 Brookfarm CT, Mason, OH 45040
- Phone
- (513) 336-8730
- Enumerated
- Dec 7, 2013
- Record last updated
- Jun 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,647 in Ohio → Look up another NPI →
Verify Catherine Mary Vonderhaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license COA15438NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family nurse practitioner in 2024
12 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Lisinopril12 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.
Catherine Mary Vonderhaar among 9,647 family nurse practitioner records in Ohio
Catherine Mary Vonderhaar, CNP 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 fileNo · 66% of these records are
- Record last updated2014 · 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).
47 family nurse practitioner records list a practice address in Mason
They are 47 of the 1,495 NPPES records with a practice address in Mason, and 9,647 family nurse practitioner records in Ohio.
All 9,647 in Ohio → Every provider in Mason → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Theophilia Akomah-Donkor, FNPMason, OH 450401861723827
- Amber Bramlee, FNPMason, OH 450401295032902
- Clare Herbert, NPMason, OH 450401104054055
- Irina Kanter, FNP-BCMason, OH 450401881938678
- Michelle Khosla, N.P.Mason, OH 450401932463551
- Emily Krans, CNP, RNMason, OH 450401962715193
- Heather Maier, MSN, CNPMason, OH 450401043352628
- Margaret Rawlings, NPMason, OH 450401265855993
Common questions
What is Catherine Mary Vonderhaar, CNP's NPI number?
Catherine Mary Vonderhaar, CNP's National Provider Identifier (NPI) is 1639500259, issued on Dec 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Mary Vonderhaar, CNP located?
The NPPES record lists a practice address at 7622 Brookfarm CT, Mason, OH, 45040. Phone: (513) 336-8730. Providers update this record themselves, so call before visiting.
How can I verify Catherine Mary Vonderhaar, CNP's license?
NPPES lists Ohio license number COA15438NP, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Mary Vonderhaar, CNP prescribe under Medicare Part D?
In 2024, Catherine Mary Vonderhaar, CNP had 12 Medicare Part D claims; 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.