What is Siena Henry's NPI number?

Siena Henry's National Provider Identifier (NPI) is 1710470984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Siena Henry's specialty?

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

Where is Siena Henry located?

Siena Henry's practice location on file with NPPES is 40 Parkhurst Rd, Chelmsford, MA 01824-1513.

What is Siena Henry's phone number?

The practice phone number listed in the NPPES registry for Siena Henry is (978) 256-3151.

Is Siena Henry's NPI active?

Yes — Siena Henry's NPI (1710470984) is active in the NPPES registry as of the last update on 2018-06-12.

IndividualActive

Siena Henry, COTA/L

NPI 1710470984 · Occupational Therapy Assistant · Chelmsford, MA

Siena Henry, COTA/L is a Occupational Therapy Assistant provider in Chelmsford, MA (NPI 1710470984).

Provider details

NPI number: 1710470984
Entity type: Individual
Primary specialty: Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: COTA/L
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Occupational Therapy AssistantPrimary224Z00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
8 yrs in NPPES registry
Profile completeness38% of score
83% 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

40 Parkhurst Rd

Chelmsford, MA 01824-1513

Phone: (978) 256-3151

Street-level locationGet directions

More MA providers

Mailing address

13 Angell Rd

Narragansett, RI 02882-5171

Enumerated: 2018-06-12
Last updated: 2018-06-12

Frequently asked questions

What is Siena Henry's NPI number?: Siena Henry's National Provider Identifier (NPI) is 1710470984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Siena Henry's specialty?: Siena Henry is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Siena Henry located?: Siena Henry's practice location on file with NPPES is 40 Parkhurst Rd, Chelmsford, MA 01824-1513.
What is Siena Henry's phone number?: The practice phone number listed in the NPPES registry for Siena Henry is (978) 256-3151.
Is Siena Henry's NPI active?: Yes — Siena Henry's NPI (1710470984) is active in the NPPES registry as of the last update on 2018-06-12.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.