IndividualActive
Brian Hallowell, OD
NPI 1851308977 · Optometrist · Calais, ME
Brian Hallowell, OD is a Optometrist provider in Calais, ME (NPI 1851308977).
Provider details
- NPI number
- 1851308977
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 567TA (ME)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
4 Park St
Calais, ME 04619
Phone: (207) 454-2277
Fax: (207) 454-2910
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 405
Calais, ME 04619
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2010-02-02
Frequently asked questions
- What is Brian Hallowell's NPI number?
- Brian Hallowell's National Provider Identifier (NPI) is 1851308977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Hallowell's specialty?
- Brian Hallowell is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Brian Hallowell located?
- Brian Hallowell's practice location on file with NPPES is 4 Park St, Calais, ME 04619.
- What is Brian Hallowell's phone number?
- The practice phone number listed in the NPPES registry for Brian Hallowell is (207) 454-2277.
- Is Brian Hallowell's NPI active?
- Yes — Brian Hallowell's NPI (1851308977) is active in the NPPES registry as of the last update on 2010-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.