What is Marie O'Connor's NPI number?

Marie O'Connor's National Provider Identifier (NPI) is 1861602138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marie O'Connor's specialty?

Marie O'Connor is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Marie O'Connor located?

Marie O'Connor's practice location on file with NPPES is 200 Brickstone Sq, Andover, MA 01810-1437.

What is Marie O'Connor's phone number?

The practice phone number listed in the NPPES registry for Marie O'Connor is (978) 474-7500.

Is Marie O'Connor's NPI active?

Yes — Marie O'Connor's NPI (1861602138) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Marie O'Connor, COTA

NPI 1861602138 · Occupational Therapy Assistant · Andover, MA

Marie O'Connor, COTA is a Occupational Therapy Assistant provider in Andover, MA (NPI 1861602138).

Provider details

NPI number: 1861602138
Entity type: Individual
Primary specialty: Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: COTA
Sex: Female
Sole proprietor: No
License: 741 (MA)

Practice location

200 Brickstone Sq

Andover, MA 01810-1437

Phone: (978) 474-7500

Approximate (ZIP-level) locationGet directions

More MA providers

Mailing address

57 Southwick Rd

North Reading, MA 01864-2113

Specialties & taxonomies

Occupational Therapy AssistantPrimary224Z00000XLicense 741 (MA)
Respiratory, Developmental, Rehabilitative and Restorative Service 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.

Enumerated: 2007-05-23
Last updated: 2007-07-08

Frequently asked questions

What is Marie O'Connor's NPI number?: Marie O'Connor's National Provider Identifier (NPI) is 1861602138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marie O'Connor's specialty?: Marie O'Connor is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Marie O'Connor located?: Marie O'Connor's practice location on file with NPPES is 200 Brickstone Sq, Andover, MA 01810-1437.
What is Marie O'Connor's phone number?: The practice phone number listed in the NPPES registry for Marie O'Connor is (978) 474-7500.
Is Marie O'Connor's NPI active?: Yes — Marie O'Connor's NPI (1861602138) 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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions