Marshall Chamberlin, MD
NPI 1235167404 · Emergency Medicine Physician · Sanford, ME
Marshall Chamberlin, MD is a Emergency Medicine Physician provider in Sanford, ME (NPI 1235167404).
Provider details
- NPI number
- 1235167404
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 008682 (ME)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marshall Chamberlin's NPI number?
- Marshall Chamberlin's National Provider Identifier (NPI) is 1235167404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Chamberlin's specialty?
- Marshall Chamberlin is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Chamberlin located?
- Marshall Chamberlin's practice location on file with NPPES is 25 June St, Sanford, ME 04073-2621.
- What is Marshall Chamberlin's phone number?
- The practice phone number listed in the NPPES registry for Marshall Chamberlin is (207) 324-4310.
- Is Marshall Chamberlin's NPI active?
- Yes — Marshall Chamberlin's NPI (1235167404) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.