Mark Guillemette, COTA/L
NPI 1528307634 · Occupational Therapy Assistant · Somerset, MA
Mark Guillemette, COTA/L is a Occupational Therapy Assistant provider in Somerset, MA (NPI 1528307634).
Provider details
- NPI number
- 1528307634
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA/L
- Sex
- Male
- Sole proprietor
- No
- License
- 2991 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-02-08
- Last updated
- 2013-02-08
Frequently asked questions
- What is Mark Guillemette's NPI number?
- Mark Guillemette's National Provider Identifier (NPI) is 1528307634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Guillemette's specialty?
- Mark Guillemette is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Guillemette located?
- Mark Guillemette's practice location on file with NPPES is 626 Eastview Ave, Somerset, MA 02726-3809.
- What is Mark Guillemette's phone number?
- The practice phone number listed in the NPPES registry for Mark Guillemette is (508) 335-2495.
- Is Mark Guillemette's NPI active?
- Yes — Mark Guillemette's NPI (1528307634) is active in the NPPES registry as of the last update on 2013-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.