John Day, RN
NPI 1114305497 · Psychiatric/Mental Health Registered Nurse · Greenfield, MA
John Day, RN is a Psychiatric/Mental Health Registered Nurse provider in Greenfield, MA (NPI 1114305497).
Provider details
- NPI number
- 1114305497
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN2286593 (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
11 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
- 2015-05-07
- Last updated
- 2015-05-07
Frequently asked questions
- What is John Day's NPI number?
- John Day's National Provider Identifier (NPI) is 1114305497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Day's specialty?
- John Day is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is John Day located?
- John Day's practice location on file with NPPES is 106 School St, Greenfield, MA 01301-2485.
- What is John Day's phone number?
- The practice phone number listed in the NPPES registry for John Day is (413) 824-1730.
- Is John Day's NPI active?
- Yes — John Day's NPI (1114305497) is active in the NPPES registry as of the last update on 2015-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.