Joanna Stephenson, NP
NPI 1558245936 · Family Nurse Practitioner · Fairfield, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Stephenson, NP is a Family Nurse Practitioner provider in Fairfield, CA (NPI 1558245936).
Provider details
- NPI number
- 1558245936
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95036314 (CA)
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
Under 1 yr in 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
- 2025-07-31
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is Joanna Stephenson's NPI number?
- Joanna Stephenson's National Provider Identifier (NPI) is 1558245936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Stephenson's specialty?
- Joanna Stephenson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joanna Stephenson located?
- Joanna Stephenson's practice location on file with NPPES is 275 Beck Ave, Fairfield, CA 94533-6804.
- What is Joanna Stephenson's phone number?
- The practice phone number listed in the NPPES registry for Joanna Stephenson is (707) 784-2010.
- Does Joanna Stephenson accept Medicare?
- Joanna Stephenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Stephenson's NPI active?
- Yes — Joanna Stephenson's NPI (1558245936) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.