Ian Neilson, M.D.
NPI 1447330410 · Pediatric Surgery Physician · Portland, ME
Ian Neilson, M.D. is a Pediatric Surgery Physician provider in Portland, ME (NPI 1447330410).
Provider details
- NPI number
- 1447330410
- Entity type
- Individual
- Primary specialty
- Pediatric Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5423 (AK)
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
- 2006-10-16
- Last updated
- 2014-11-26
Frequently asked questions
- What is Ian Neilson's NPI number?
- Ian Neilson's National Provider Identifier (NPI) is 1447330410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Neilson's specialty?
- Ian Neilson is listed in the NPPES registry with a primary specialty of Pediatric Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Neilson located?
- Ian Neilson's practice location on file with NPPES is 887 Congress St, Portland, ME 04102-3100.
- What is Ian Neilson's phone number?
- The practice phone number listed in the NPPES registry for Ian Neilson is (207) 662-5555.
- Is Ian Neilson's NPI active?
- Yes — Ian Neilson's NPI (1447330410) is active in the NPPES registry as of the last update on 2014-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.