Middlesex Psychiatry, PLLC
NPI 1194233320 · Mental Health Clinic/Center (Including Community Mental Health Center) · Holliston, MA
Middlesex Psychiatry, PLLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Holliston, MA (NPI 1194233320).
Provider details
- NPI number
- 1194233320
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jamie Simoneau, Manager(508) 306-1319
- License
- RN266987 (MA)
Specialties & taxonomies
- Mental Health Clinic/Center (Including Community Mental Health Center)Primary261QM0801XLicense RN266987 (MA)
Ambulatory Health Care Facilities
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
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
- 2018-01-22
- Last updated
- 2018-01-22
Frequently asked questions
- What is Middlesex Psychiatry, PLLC's NPI number?
- Middlesex Psychiatry, PLLC's National Provider Identifier (NPI) is 1194233320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Middlesex Psychiatry, PLLC?
- Middlesex Psychiatry, PLLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Middlesex Psychiatry, PLLC located?
- Middlesex Psychiatry, PLLC's practice location on file with NPPES is 847 Washington St, Holliston, MA 01746-1685.
- What is Middlesex Psychiatry, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Middlesex Psychiatry, PLLC is (508) 306-1319.
- Who is the authorized official for Middlesex Psychiatry, PLLC?
- The authorized official listed on Middlesex Psychiatry, PLLC's NPPES record is Jamie Simoneau, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Middlesex Psychiatry, PLLC's NPI active?
- Yes — Middlesex Psychiatry, PLLC's NPI (1194233320) is active in the NPPES registry as of the last update on 2018-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.