OrganizationActive
Michael O'Neil OD
NPI 1356448567 · Optometrist · Groton, MA
Michael O'Neil OD is a Optometrist organization in Groton, MA (NPI 1356448567).
Provider details
- NPI number
- 1356448567
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Michael O'Neil, Owner/Optometrist(978) 448-5172
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
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
140 Main St
Groton, MA 01450-1271
Phone: (978) 448-5172
Fax: (978) 448-6353
Street-level locationGet directions
Mailing address
140 Main St
Groton, MA 01450-1271
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2011-02-01
Frequently asked questions
- What is Michael O'Neil OD's NPI number?
- Michael O'Neil OD's National Provider Identifier (NPI) is 1356448567, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael O'Neil OD?
- Michael O'Neil OD is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Michael O'Neil OD located?
- Michael O'Neil OD's practice location on file with NPPES is 140 Main St, Groton, MA 01450-1271.
- What is Michael O'Neil OD's phone number?
- The practice phone number listed in the NPPES registry for Michael O'Neil OD is (978) 448-5172.
- Who is the authorized official for Michael O'Neil OD?
- The authorized official listed on Michael O'Neil OD's NPPES record is Michael O'Neil, Owner/Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael O'Neil OD's NPI active?
- Yes — Michael O'Neil OD's NPI (1356448567) is active in the NPPES registry as of the last update on 2011-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.