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

Steven G Gwiazdowski, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1710037684

Steven G Gwiazdowski, MD is a Pediatric Medicine in Fairfield, California. Graduated from Virginia Commonwealth University, School of Medicine in 1985, 41 years ago. Works from 2 locations. Licensed in California.

Years since qualifying
41
Trained at
Virginia Commonwealth University, School of Medicine
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1860 Pennsylvania Ave Ste 145
Fairfield, CA 94533-3547
Phone: (707) 646-4051
Fax: (707) 646-5323
Show map & directions

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

Additional practice locations (1)

  • 300 Hospital Dr, Vallejo, CA 94589-2574 — (707) 554-5102

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence G683240 (CA)

Record details

NPI number1710037684
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 11, 2007
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolVIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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