Alison O'Neill, MD
NPI 1326409236 · Pediatric Endocrinology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison O'Neill, MD is a Pediatric Endocrinology Physician provider in Portland, OR (NPI 1326409236).
Provider details
- NPI number
- 1326409236
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- PG188463 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 3401 Civic Center BlvdPhiladelphia, PA 19104-4319Phone: (267) 426-6904
Registry dates
- Enumerated
- 2016-03-19
- Last updated
- 2023-12-13
- Certified
- 2023-12-13
Frequently asked questions
- What is Alison O'Neill's NPI number?
- Alison O'Neill's National Provider Identifier (NPI) is 1326409236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison O'Neill's specialty?
- Alison O'Neill is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Alison O'Neill located?
- Alison O'Neill's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Alison O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Alison O'Neill is (503) 494-8211.
- Does Alison O'Neill accept Medicare?
- Alison O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison O'Neill's NPI active?
- Yes — Alison O'Neill's NPI (1326409236) is active in the NPPES registry as of the last update on 2023-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.