Isaac Dunn, FNP-C
NPI 1578253191 · Family Nurse Practitioner · Portland, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Dunn, FNP-C is a Family Nurse Practitioner provider in Portland, OR (NPI 1578253191).
Provider details
- NPI number
- 1578253191
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 10037211 (OR)
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 tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 296 | 149 |
| Metoprolol Succinate | 252 | 125 |
| Atorvastatin Calcium | 219 | 104 |
| Spironolactone | 217 | 88 |
| Losartan Potassium | 212 | 100 |
| Amlodipine Besylate | 205 | 100 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-05-08
- Last updated
- 2025-05-04
- Certified
- 2025-05-04
Frequently asked questions
- What is Isaac Dunn's NPI number?
- Isaac Dunn's National Provider Identifier (NPI) is 1578253191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Dunn's specialty?
- Isaac Dunn is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Isaac Dunn located?
- Isaac Dunn's practice location on file with NPPES is 19500 Se Stark St, Portland, OR 97233-5757.
- What is Isaac Dunn's phone number?
- The practice phone number listed in the NPPES registry for Isaac Dunn is (800) 813-2000.
- Does Isaac Dunn accept Medicare?
- Isaac Dunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Dunn's NPI active?
- Yes — Isaac Dunn's NPI (1578253191) is active in the NPPES registry as of the last update on 2025-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.