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

Rachael Ashby Postlethwait, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1518461888

Rachael Ashby Postlethwait, MD is an Obstetrics & Gynecology Physician in Irvine, California. Licensed in California. Registered with an NPI since 2018.

Licensed in
CA
In the registry since
2018
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

6550 Alton Pkwy
Irvine, CA 92618
Phone: (714) 564-4113
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A177548 (CA)

Record details

NPI number1518461888
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2018
Last updated in NPPESSeptember 1, 2022
Certification dateAugust 1, 2022
Mailing address6550 Alton Pkwy, Irvine, CA 92618

Other providers in Irvine