Marie-Claire Leaf
NPI 1144727090 · Obstetrics & Gynecology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie-Claire Leaf is a Obstetrics & Gynecology Physician provider in Orange, CA (NPI 1144727090).
Provider details
- NPI number
- 1144727090
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- D93475 (MD)
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
3 documented practice locations
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
Additional practice locations (2)
- 333 City Blvd W Ste 1400Orange, CA 92868-5900Phone: (714) 456-8224Fax: (714) 456-8360
- 600 N Wolfe StBaltimore, MD 21287-0005Phone: (410) 955-5000
Registry dates
- Enumerated
- 2018-04-08
- Last updated
- 2022-06-23
- Certified
- 2022-06-23
Frequently asked questions
- What is Marie-Claire Leaf's NPI number?
- Marie-Claire Leaf's National Provider Identifier (NPI) is 1144727090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie-Claire Leaf's specialty?
- Marie-Claire Leaf is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Marie-Claire Leaf located?
- Marie-Claire Leaf's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868.
- What is Marie-Claire Leaf's phone number?
- The practice phone number listed in the NPPES registry for Marie-Claire Leaf is (714) 456-8224.
- Does Marie-Claire Leaf accept Medicare?
- Marie-Claire Leaf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie-Claire Leaf's NPI active?
- Yes — Marie-Claire Leaf's NPI (1144727090) is active in the NPPES registry as of the last update on 2022-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.