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

Irina Seibert, RN

Individual provider Adult Medicine Physician · NPI 1508559352

Irina Seibert, RN is an Adult Medicine Physician in Brentwood, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2023
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

1542 Solitude Way
Brentwood, CA 94513-5144
Phone: (408) 410-0514
Show map & directions

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

Specialties & licences

Adult Medicine Physician (primary) Taxonomy 207QA0505X · Licence 666606 (CA)

Record details

NPI number1508559352
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedMay 29, 2023
Last updated in NPPESMay 29, 2023
Certification dateMay 29, 2023