Eryn Johnstone, CRNP
NPI 1356921027 · Pediatric Nurse Practitioner · Philadelphia, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eryn Johnstone, CRNP is a Pediatric Nurse Practitioner provider in Philadelphia, PA (NPI 1356921027).
Provider details
- NPI number
- 1356921027
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- SP023361 (PA)
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
5 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
- 2021-04-08
- Last updated
- 2021-04-08
- Certified
- 2021-04-08
Frequently asked questions
- What is Eryn Johnstone's NPI number?
- Eryn Johnstone's National Provider Identifier (NPI) is 1356921027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eryn Johnstone's specialty?
- Eryn Johnstone is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eryn Johnstone located?
- Eryn Johnstone's practice location on file with NPPES is 3401 Civic Center Blvd, Philadelphia, PA 19104-4319.
- What is Eryn Johnstone's phone number?
- The practice phone number listed in the NPPES registry for Eryn Johnstone is (215) 590-4040.
- Does Eryn Johnstone accept Medicare?
- Eryn Johnstone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eryn Johnstone's NPI active?
- Yes — Eryn Johnstone's NPI (1356921027) is active in the NPPES registry as of the last update on 2021-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.