Sion Harris, RN
NPI 1205616984 · Psychiatric/Mental Health Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sion Harris, RN is a Psychiatric/Mental Health Nurse Practitioner provider in Boston, MA (NPI 1205616984).
Provider details
- NPI number
- 1205616984
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- RN2371881 (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
2 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
- 2023-10-02
- Last updated
- 2024-09-13
- Certified
- 2024-09-13
Frequently asked questions
- What is Sion Harris's NPI number?
- Sion Harris's National Provider Identifier (NPI) is 1205616984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sion Harris's specialty?
- Sion Harris is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sion Harris located?
- Sion Harris's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Sion Harris's phone number?
- The practice phone number listed in the NPPES registry for Sion Harris is (617) 355-6000.
- Does Sion Harris accept Medicare?
- Sion Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sion Harris's NPI active?
- Yes — Sion Harris's NPI (1205616984) is active in the NPPES registry as of the last update on 2024-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.