Mark Chapin, OTR/L
NPI 1174995757 · Gerontology Occupational Therapist · Wilton, CT
Mark Chapin, OTR/L is a Gerontology Occupational Therapist provider in Wilton, CT (NPI 1174995757).
Provider details
- NPI number
- 1174995757
- Entity type
- Individual
- Primary specialty
- Gerontology Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- 007575 (OH)
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
10 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
- 2015-10-22
- Last updated
- 2015-10-22
Frequently asked questions
- What is Mark Chapin's NPI number?
- Mark Chapin's National Provider Identifier (NPI) is 1174995757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chapin's specialty?
- Mark Chapin is listed in the NPPES registry with a primary specialty of Gerontology Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Chapin located?
- Mark Chapin's practice location on file with NPPES is 64 Danbury Rd, Wilton, CT 06897-4429.
- What is Mark Chapin's phone number?
- The practice phone number listed in the NPPES registry for Mark Chapin is (800) 875-8999.
- Is Mark Chapin's NPI active?
- Yes — Mark Chapin's NPI (1174995757) is active in the NPPES registry as of the last update on 2015-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.