Katherine Alwin, NP
NPI 1578359311 · Critical Care Medicine Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Alwin, NP is a Critical Care Medicine Nurse Practitioner provider in Boston, MA (NPI 1578359311).
Provider details
- NPI number
- 1578359311
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP2316242 (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
1 yr 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
- 2025-04-17
- Last updated
- 2025-04-17
- Certified
- 2025-04-17
Frequently asked questions
- What is Katherine Alwin's NPI number?
- Katherine Alwin's National Provider Identifier (NPI) is 1578359311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Alwin's specialty?
- Katherine Alwin is listed in the NPPES registry with a primary specialty of Critical Care Medicine Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Alwin located?
- Katherine Alwin's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5491.
- What is Katherine Alwin's phone number?
- The practice phone number listed in the NPPES registry for Katherine Alwin is (617) 667-7000.
- Does Katherine Alwin accept Medicare?
- Katherine Alwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Alwin's NPI active?
- Yes — Katherine Alwin's NPI (1578359311) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.