Nancy O'Neill, MD
NPI 1467556548 · Family Medicine Physician · Mars Hill, ME
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy O'Neill, MD is a Family Medicine Physician provider in Mars Hill, ME (NPI 1467556548).
Provider details
- NPI number
- 1467556548
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 00012627 (AL)
Specialties & taxonomies
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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-11
- Last updated
- 2018-04-19
Frequently asked questions
- What is Nancy O'Neill's NPI number?
- Nancy O'Neill's National Provider Identifier (NPI) is 1467556548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy O'Neill's specialty?
- Nancy O'Neill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy O'Neill located?
- Nancy O'Neill's practice location on file with NPPES is 106 Main St, Mars Hill, ME 04758-3403.
- What is Nancy O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Nancy O'Neill is (207) 429-8333.
- Does Nancy O'Neill accept Medicare?
- Nancy 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 Nancy O'Neill's NPI active?
- Yes — Nancy O'Neill's NPI (1467556548) is active in the NPPES registry as of the last update on 2018-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.