Simon Selwyn LLC
NPI 1619625753 · Psychiatric/Mental Health Nurse Practitioner · Belmont, MA
Simon Selwyn LLC is a Psychiatric/Mental Health Nurse Practitioner organization in Belmont, MA (NPI 1619625753).
Provider details
- NPI number
- 1619625753
- Entity type
- Organization
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Simon Selwyn, Psychiatric Nurse Practitioner(617) 596-1975
Specialties & taxonomies
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
4 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
Other names (DBA / former)
- Doing business as
- Belmont Psychiatric Services
Registry dates
- Enumerated
- 2022-03-17
- Last updated
- 2022-03-17
- Certified
- 2022-03-17
Frequently asked questions
- What is Simon Selwyn LLC's NPI number?
- Simon Selwyn LLC's National Provider Identifier (NPI) is 1619625753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Simon Selwyn LLC?
- Simon Selwyn LLC is classified in the NPPES registry as Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Simon Selwyn LLC located?
- Simon Selwyn LLC's practice location on file with NPPES is 38 Lexington St Ste E, Belmont, MA 02478-5009.
- What is Simon Selwyn LLC's phone number?
- The practice phone number listed in the NPPES registry for Simon Selwyn LLC is (617) 596-1975.
- Who is the authorized official for Simon Selwyn LLC?
- The authorized official listed on Simon Selwyn LLC's NPPES record is Simon Selwyn, Psychiatric Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Simon Selwyn LLC's NPI active?
- Yes — Simon Selwyn LLC's NPI (1619625753) is active in the NPPES registry as of the last update on 2022-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.