William Oppenheim, M.D.
NPI 1801962360 · Pediatric Orthopaedic Surgery Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Oppenheim, M.D. is a Pediatric Orthopaedic Surgery Physician provider in Los Angeles, CA (NPI 1801962360).
Provider details
- NPI number
- 1801962360
- Entity type
- Individual
- Primary specialty
- Pediatric Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G20568 (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
19 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
- 2006-11-27
- Last updated
- 2011-06-14
Frequently asked questions
- What is William Oppenheim's NPI number?
- William Oppenheim's National Provider Identifier (NPI) is 1801962360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Oppenheim's specialty?
- William Oppenheim is listed in the NPPES registry with a primary specialty of Pediatric Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Oppenheim located?
- William Oppenheim's practice location on file with NPPES is 10945 Le Conte Avenue, Los Angeles, CA 90095-6902.
- What is William Oppenheim's phone number?
- The practice phone number listed in the NPPES registry for William Oppenheim is (310) 206-6345.
- Does William Oppenheim accept Medicare?
- William Oppenheim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Oppenheim's NPI active?
- Yes — William Oppenheim's NPI (1801962360) is active in the NPPES registry as of the last update on 2011-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.