Registry data as of Aug 27, 2026

Denise Duffy, CNP

Nurse Practitioner · Waverly, OH

Denise Duffy, CNP is a nurse practitioner with a practice address in Waverly, Ohio, and NPI 1194219949, issued on Jun 15, 2018. Check the license (Ohio APRN.CNP.023245, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1194219949
Name
Denise Duffy
Credential
CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
APRN.CNP.023245 OH
Self-reported in NPPES; status is on the state search
Practice location
835 W Emmitt Ave, Waverly, OH 45690
Phone
(740) 947-7662
Enumerated
Jun 15, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 835 W Emmitt Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jonathan Ballard, CNPNurse Practitioner1881150100
  2. Elizabeth Bentley, DOFamily Medicine Physician1740421130
  3. Amber Buffinger, CNPPsychiatric/Mental Health Nurse Practitioner1740906411
  4. Angela Gilliland, CNPNurse Practitioner1235388968
  5. Caylee Hopkins, CNPNurse Practitioner1629508981
  6. Megan Johnson, PA-CPhysician Assistant1568131480

Verify Denise Duffy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license APRN.CNP.023245
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

20% fewer Medicare Part D claims than the average nurse practitioner in 2024

918 Medicare Part D claims for 97 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 26 claims were for opioids.

  1. Denise Duffy918
  2. Specialty average1,144

Most prescribed

  1. Gabapentin39 claims
  2. Levothyroxine Sodium33 claims
  3. Albuterol Sulfate Hfa32 claims
  4. Duloxetine Hcl29 claims
  5. Lisinopril29 claims
  6. Omeprazole27 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.

The practice group's Medicare quality score for 2023: 76.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.2
  2. Costout of 100 · 30%44.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Somc Medical Care Foundation, Inc.Portsmouth, OH

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 nurse practitioner records list a Waverly practice address

They are 8 of the 663 NPPES records with a Waverly practice address, and 3,839 nurse practitioner records in Ohio.

Other nurse practitioner records in Ohio

  1. Kristina Abbott, CNPMayfield Heights, OH1669810669
  2. Hibo Abdi, NPColumbus, OH1992405047
  3. Amina Abdule, APRN-CNPColumbus, OH1316346786
  4. Reyhanna AbdullahAkron, OH1497107510
  5. Farrah Abergel, MSN, ARNP, FNP-BCColumbus, OH1699245993
  6. Courtney Abfall, FNP-CAthens, OH1528798261
  7. Christine Abner, APRNMontgomery, OH1255749081
  8. Danielle AbneyMason, OH1134730781
  9. Joni AbramczykDayton, OH1003365198
  10. Martha Abramovich, APRN-CNPCincinnati, OH1558021022

Common questions

What is Denise Duffy, CNP's NPI number?

Denise Duffy, CNP's National Provider Identifier (NPI) is 1194219949, issued on Jun 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Denise Duffy, CNP located?

The NPPES record lists a practice address at 835 W Emmitt Ave, Waverly, OH, 45690. Phone: (740) 947-7662. Providers update this record themselves, so call before visiting.

How can I verify Denise Duffy, CNP's license?

NPPES lists Ohio license number APRN.CNP.023245, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Denise Duffy, CNP prescribe under Medicare Part D?

In 2024, Denise Duffy, CNP had 918 Medicare Part D claims for 97 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

What is Denise Duffy, CNP's Medicare quality score?

The 2023 MIPS final score is 76.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.