Siobhan Ward
NPI 1538015540 · Psychiatric/Mental Health Nurse Practitioner · Boston, MA
Siobhan Ward is a Psychiatric/Mental Health Nurse Practitioner provider in Boston, MA (NPI 1538015540).
Provider details
- NPI number
- 1538015540
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2371777 (MA)
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
Under 1 yr in 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
- 2026-03-10
- Last updated
- 2026-03-10
- Certified
- 2026-03-10
Frequently asked questions
- What is Siobhan Ward's NPI number?
- Siobhan Ward's National Provider Identifier (NPI) is 1538015540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Ward's specialty?
- Siobhan Ward is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Siobhan Ward located?
- Siobhan Ward's practice location on file with NPPES is 36 1st Ave, Boston, MA 02129-4557.
- What is Siobhan Ward's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Ward is (617) 726-2947.
- Is Siobhan Ward's NPI active?
- Yes — Siobhan Ward's NPI (1538015540) is active in the NPPES registry as of the last update on 2026-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.