Gabrielle O'Sullivan, MD
NPI 1295881332 · Family Medicine Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabrielle O'Sullivan, MD is a Family Medicine Physician provider in Wailuku, HI (NPI 1295881332).
Provider details
- NPI number
- 1295881332
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD-18414 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 83 | 26 |
| Atorvastatin Calcium | 62 | 25 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 41 | 13 |
| Losartan Potassium | 33 | 16 |
| Tamsulosin Hcl | 26 | — |
| Semaglutidebrand: Ozempic | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-25
- Last updated
- 2019-02-08
Frequently asked questions
- What is Gabrielle O'Sullivan's NPI number?
- Gabrielle O'Sullivan's National Provider Identifier (NPI) is 1295881332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabrielle O'Sullivan's specialty?
- Gabrielle O'Sullivan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gabrielle O'Sullivan located?
- Gabrielle O'Sullivan's practice location on file with NPPES is 1881 Nani Street, Wailuku, HI 96793.
- What is Gabrielle O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Gabrielle O'Sullivan is (808) 871-7772.
- Does Gabrielle O'Sullivan accept Medicare?
- Gabrielle O'Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabrielle O'Sullivan's NPI active?
- Yes — Gabrielle O'Sullivan's NPI (1295881332) is active in the NPPES registry as of the last update on 2019-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.