Denise Duffy, CNP
NPI 1194219949 · Nurse Practitioner · Waverly, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Duffy, CNP is a Nurse Practitioner provider in Waverly, OH (NPI 1194219949).
Provider details
- NPI number
- 1194219949
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- APRN.CNP.023245 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
81 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 33 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 28 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $53 |
Typical Medicare-allowed amounts for these services range $13–$79 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 39 | 15 |
| Levothyroxine Sodium | 33 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 32 | — |
| Duloxetine Hcl | 29 | — |
| Lisinopril | 29 | 11 |
| Omeprazole | 27 | — |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-15
- Last updated
- 2020-12-21
- Certified
- 2020-12-21
Frequently asked questions
- What is Denise Duffy's NPI number?
- Denise Duffy's National Provider Identifier (NPI) is 1194219949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Duffy's specialty?
- Denise Duffy is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Denise Duffy located?
- Denise Duffy's practice location on file with NPPES is 835 W Emmitt Ave, Waverly, OH 45690-1190.
- What is Denise Duffy's phone number?
- The practice phone number listed in the NPPES registry for Denise Duffy is (740) 947-7662.
- Does Denise Duffy accept Medicare?
- Denise Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Duffy's NPI active?
- Yes — Denise Duffy's NPI (1194219949) is active in the NPPES registry as of the last update on 2020-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.