Michael Johnston, FNP
NPI 1619933140 · Family Nurse Practitioner · Marshall, MO
Michael Johnston, FNP is a Family Nurse Practitioner provider in Marshall, MO (NPI 1619933140).
Provider details
- NPI number
- 1619933140
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 096914 (MO)
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
20 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
- 2006-04-24
- Last updated
- 2015-08-11
Frequently asked questions
- What is Michael Johnston's NPI number?
- Michael Johnston's National Provider Identifier (NPI) is 1619933140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Johnston's specialty?
- Michael Johnston is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Johnston located?
- Michael Johnston's practice location on file with NPPES is 2305 South 65 Highway, Marshall, MO 65340-3702.
- What is Michael Johnston's phone number?
- The practice phone number listed in the NPPES registry for Michael Johnston is (660) 886-7431.
- Is Michael Johnston's NPI active?
- Yes — Michael Johnston's NPI (1619933140) is active in the NPPES registry as of the last update on 2015-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.