Heather Duzynski, APNP, RN
NPI 1376317743 · Psychiatric/Mental Health Nurse Practitioner · Appleton, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Duzynski, APNP, RN is a Psychiatric/Mental Health Nurse Practitioner provider in Appleton, WI (NPI 1376317743).
Provider details
- NPI number
- 1376317743
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP, RN
- Sex
- Female
- Sole proprietor
- No
- License
- 14656 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tizanidine Hcl | 53 | 11 |
| Quetiapine Fumarate | 46 | 11 |
| Sertraline Hcl | 40 | 15 |
| Clonazepam | 39 | — |
| Trazodone Hcl | 38 | 15 |
| Mirtazapine | 37 | 11 |
| Alprazolam | 31 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-11-07
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Heather Duzynski's NPI number?
- Heather Duzynski's National Provider Identifier (NPI) is 1376317743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Duzynski's specialty?
- Heather Duzynski is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Duzynski located?
- Heather Duzynski's practice location on file with NPPES is 2500 E Enterprise Ave Ste B, Appleton, WI 54913-8556.
- What is Heather Duzynski's phone number?
- The practice phone number listed in the NPPES registry for Heather Duzynski is (920) 416-8577.
- Does Heather Duzynski accept Medicare?
- Heather Duzynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Duzynski's NPI active?
- Yes — Heather Duzynski's NPI (1376317743) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.