Josephine Mattsson, NP
NPI 1811515430 · Family Nurse Practitioner · Boston, MA
Josephine Mattsson, NP is a Family Nurse Practitioner provider in Boston, MA (NPI 1811515430).
Provider details
- NPI number
- 1811515430
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2305282 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 110 Francis StBoston, MA 02215-5501Phone: (617) 632-9922
Registry dates
- Enumerated
- 2020-07-09
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is Josephine Mattsson's NPI number?
- Josephine Mattsson's National Provider Identifier (NPI) is 1811515430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephine Mattsson's specialty?
- Josephine Mattsson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Josephine Mattsson located?
- Josephine Mattsson's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Josephine Mattsson's phone number?
- The practice phone number listed in the NPPES registry for Josephine Mattsson is (617) 355-6000.
- Is Josephine Mattsson's NPI active?
- Yes — Josephine Mattsson's NPI (1811515430) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.