Sharon Johnston, CPNP
NPI 1841266095 · Pediatric Nurse Practitioner · Port Huron, MI
Sharon Johnston, CPNP is a Pediatric Nurse Practitioner provider in Port Huron, MI (NPI 1841266095).
Provider details
- NPI number
- 1841266095
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704063050 (MI)
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
- 2006-02-27
- Last updated
- 2010-04-12
Frequently asked questions
- What is Sharon Johnston's NPI number?
- Sharon Johnston's National Provider Identifier (NPI) is 1841266095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharon Johnston's specialty?
- Sharon Johnston is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sharon Johnston located?
- Sharon Johnston's practice location on file with NPPES is 1321 Stone St, Port Huron, MI 48060-3520.
- What is Sharon Johnston's phone number?
- The practice phone number listed in the NPPES registry for Sharon Johnston is (810) 984-1000.
- Is Sharon Johnston's NPI active?
- Yes — Sharon Johnston's NPI (1841266095) is active in the NPPES registry as of the last update on 2010-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.