Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Joseph Francis Bielefeld, PMHNP-BC/FNP

Individual provider Family Nurse Practitioner · NPI 1124639943

Joseph Francis Bielefeld, PMHNP-BC/FNP is a Family Nurse Practitioner in Fairfield, California. Practices as a sole proprietor and works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2020
Specialties on file
2

Practice location Address checks out

4820 Business Center Dr
Fairfield, CA 94534-1696
Phone: (707) 224-8266
Fax: (707) 425-9880
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2310 1st St, Napa, CA 94559-2239 — (707) 224-8266
  • 2300 Northpoint Pkwy, Santa Rosa, CA 95407-5004 — (707) 224-8266

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 1124639943 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence NONE (CA)

Record details

NPI number1124639943
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP-BC/FNP
Sole proprietorYes
NPI enumeratedAugust 14, 2020
Last updated in NPPESMay 20, 2025
Certification dateMay 20, 2025

Other providers in Fairfield