John Harrison
NPI 1285528141 · Critical Care Medicine Registered Nurse · East Walpole, MA
John Harrison is a Critical Care Medicine Registered Nurse provider in East Walpole, MA (NPI 1285528141).
Provider details
- NPI number
- 1285528141
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN2325758 (MA)
Specialties & taxonomies
Nursing Service 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
- 2025-06-05
- Last updated
- 2025-06-05
- Certified
- 2025-06-05
Frequently asked questions
- What is John Harrison's NPI number?
- John Harrison's National Provider Identifier (NPI) is 1285528141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harrison's specialty?
- John Harrison is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is John Harrison located?
- John Harrison's practice location on file with NPPES is 31 Wycliffe Rd, East Walpole, MA 02032-1352.
- What is John Harrison's phone number?
- The practice phone number listed in the NPPES registry for John Harrison is (508) 380-4659.
- Is John Harrison's NPI active?
- Yes — John Harrison's NPI (1285528141) is active in the NPPES registry as of the last update on 2025-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.