IndividualActive
Melissa Johnston, RN
NPI 1912308107 · Registered Nurse · Mastic Beach, NY
Melissa Johnston, RN is a Registered Nurse provider in Mastic Beach, NY (NPI 1912308107).
Provider details
- NPI number
- 1912308107
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 689327 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(75/100 index)
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
74 Mill Dr
Mastic Beach, NY 11951-1403
Phone: (631) 599-8372
Street-level locationGet directions
Mailing address
9 Harborview Ave
Greenlawn, NY 11740-1520
Registry dates
- Enumerated
- 2014-09-08
- Last updated
- 2014-09-10
Frequently asked questions
- What is Melissa Johnston's NPI number?
- Melissa Johnston's National Provider Identifier (NPI) is 1912308107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Johnston's specialty?
- Melissa Johnston is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Melissa Johnston located?
- Melissa Johnston's practice location on file with NPPES is 74 Mill Dr, Mastic Beach, NY 11951-1403.
- What is Melissa Johnston's phone number?
- The practice phone number listed in the NPPES registry for Melissa Johnston is (631) 599-8372.
- Is Melissa Johnston's NPI active?
- Yes — Melissa Johnston's NPI (1912308107) is active in the NPPES registry as of the last update on 2014-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.