Brian E. Hallowell, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4 Park St, Calais, ME 04619-1609
- Practice phone
- Call (207) 454-2277
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hallowell & Macmannis
Eye care practice · Calais, Maine
Find Brian Hallowell's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Brian E. Hallowell is an optometrist in Calais, Maine
Brian Hallowell practices at Hallowell & Macmannis in Calais, Maine.
Brian Hallowell's NPI, 1851308977, was assigned on August 2, 2006. Brian Hallowell holds Maine license 567TA.
- NPI
- 1851308977NPI Registry (opens in a new tab)
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Practice phone
- (207) 454-2277
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian E. Hallowell practices at Hallowell & Macmannis in Calais, Maine
Brian Hallowell's primary practice is Hallowell & Macmannis, at 4 Park St, Calais, ME 04619-1609. The practice phone is (207) 454-2277.
- Hallowell & Macmannis4 Park St, Calais, ME 04619-1609Phone(207) 454-2277
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian E. Hallowell is affiliated with 1 site of care and 1 medical group
Brian Hallowell's primary practice is Hallowell & Macmannis in Calais, Maine. Dmand AI also links Brian Hallowell to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Brian E. Hallowell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Hallowell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hallowell & Macmannis | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Brian E. Hallowell is one of 261 optometrists in Maine
Optometrist is Brian Hallowell's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Brian Hallowell is licensed in Maine.
Specialties and state licenses
- Optometrist, MainePrimary
Optometrists near Brian Hallowell
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Brian E. Hallowell's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Brian Hallowell's median patient age at 77, with 71% women.
Brian Hallowell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Sources for Brian E. Hallowell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Brian E. Hallowell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brian E. Hallowell's NPI number?
Brian E. Hallowell's NPI number is 1851308977. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What does Brian E. Hallowell specialize in?
Brian E. Hallowell is an optometrist in Calais, Maine. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Brian E. Hallowell practice?
Brian Hallowell practices at 4 Park St, Calais, ME 04619-1609. Brian Hallowell's primary practice is Hallowell & Macmannis in Calais, Maine. Dmand AI also links Brian Hallowell to 1 medical group.
What is Brian E. Hallowell's office phone number?
The practice phone on file for Brian Hallowell is (207) 454-2277.
What is Brian E. Hallowell's medical license number?
Brian Hallowell holds Maine license 567TA.
How long has Brian E. Hallowell been practicing?
Brian Hallowell's NPI was assigned in 2006.
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