Dennis Osena, FNP-BC
NPI 1639641129 · Family Nurse Practitioner · Fresno, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Osena, FNP-BC is a Family Nurse Practitioner provider in Fresno, CA (NPI 1639641129).
Provider details
- NPI number
- 1639641129
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 95010677 (CA)
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
7 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 |
|---|---|---|
| Oxycodone Hcl | 1,074 | 135 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 981 | 171 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 765 | 117 |
| Pregabalin | 439 | 97 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 424 | 58 |
| Tramadol Hcl | 404 | 91 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,505 across 63 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
- 2018-12-20
- Last updated
- 2018-12-20
Frequently asked questions
- What is Dennis Osena's NPI number?
- Dennis Osena's National Provider Identifier (NPI) is 1639641129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Osena's specialty?
- Dennis Osena is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dennis Osena located?
- Dennis Osena's practice location on file with NPPES is 1303 E Herndon Ave, Fresno, CA 93720-3309.
- What is Dennis Osena's phone number?
- The practice phone number listed in the NPPES registry for Dennis Osena is (559) 450-3281.
- Does Dennis Osena accept Medicare?
- Dennis Osena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Osena's NPI active?
- Yes — Dennis Osena's NPI (1639641129) is active in the NPPES registry as of the last update on 2018-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.