Rachael Postlethwait, MD
NPI 1518461888 · Obstetrics & Gynecology Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachael Postlethwait, MD is a Obstetrics & Gynecology Physician provider in Irvine, CA (NPI 1518461888).
Provider details
- NPI number
- 1518461888
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A177548 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES 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
- 2018-03-21
- Last updated
- 2022-09-01
- Certified
- 2022-08-01
Frequently asked questions
- What is Rachael Postlethwait's NPI number?
- Rachael Postlethwait's National Provider Identifier (NPI) is 1518461888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachael Postlethwait's specialty?
- Rachael Postlethwait is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Rachael Postlethwait located?
- Rachael Postlethwait's practice location on file with NPPES is 6550 Alton Pkwy, Irvine, CA 92618.
- What is Rachael Postlethwait's phone number?
- The practice phone number listed in the NPPES registry for Rachael Postlethwait is (714) 564-4113.
- Does Rachael Postlethwait accept Medicare?
- Rachael Postlethwait is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachael Postlethwait's NPI active?
- Yes — Rachael Postlethwait's NPI (1518461888) is active in the NPPES registry as of the last update on 2022-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.