University of Southern California Orthopaedic Surgery Associates, Inc
NPI 1235141466 · Orthopaedic Surgery Physician · Los Angeles, CA
University of Southern California Orthopaedic Surgery Associates, Inc is a Orthopaedic Surgery Physician organization in Los Angeles, CA (NPI 1235141466).
Provider details
- NPI number
- 1235141466
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Patzakis, Chairmen(323) 442-5860
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
- 2006-08-13
- Last updated
- 2008-06-23
Frequently asked questions
- What is University of Southern California Orthopaedic Surgery Associates, Inc's NPI number?
- University of Southern California Orthopaedic Surgery Associates, Inc's National Provider Identifier (NPI) is 1235141466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is University of Southern California Orthopaedic Surgery Associates, Inc?
- University of Southern California Orthopaedic Surgery Associates, Inc is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is University of Southern California Orthopaedic Surgery Associates, Inc located?
- University of Southern California Orthopaedic Surgery Associates, Inc's practice location on file with NPPES is 1520 San Pablo St, Los Angeles, CA 90033-5310.
- What is University of Southern California Orthopaedic Surgery Associates, Inc's phone number?
- The practice phone number listed in the NPPES registry for University of Southern California Orthopaedic Surgery Associates, Inc is (323) 442-5860.
- Who is the authorized official for University of Southern California Orthopaedic Surgery Associates, Inc?
- The authorized official listed on University of Southern California Orthopaedic Surgery Associates, Inc's NPPES record is Michael Patzakis, Chairmen. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is University of Southern California Orthopaedic Surgery Associates, Inc's NPI active?
- Yes — University of Southern California Orthopaedic Surgery Associates, Inc's NPI (1235141466) is active in the NPPES registry as of the last update on 2008-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.