Gary Chen Md INC in Los Angeles, CA
This organization bills under NPI 1891912432, an organization record issued on Apr 18, 2007 with the primary taxonomy Orthopaedic Hand Surgery Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1891912432
- Legal name
- Gary Chen Md INC
- Entity
- Type 2 · organization, a subpart
- Parent organization
- Califorina Othopedic Institute
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- Practice location
- 1513 S. GRAND AVE. SUTE 208, Los Angeles, CA 90015
- Phone
- 213-765-8088
- Mailing address
- Cerritos, CA
- Enumerated
- Apr 18, 2007
- Record updated
- Apr 14, 2010
- Authorized official
- Owner (title as filed)
2 clinicians CMS lists with Gary Chen Md in Los Angeles
- Gary Chen, MDOrthopaedic Surgery Physician1831123934
- Darryl Willoughby, MDSurgery Physician1962585570
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the California secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
All taxonomies on this record
- 207X00000X Orthopaedic Surgery Physician
- 207XP3100X Pediatric Orthopaedic Surgery Physician
- 207XS0106X Orthopaedic Hand Surgery Physician
- 207XX0004X Orthopaedic Foot and Ankle Surgery Physician
- 207XX0005X Sports Medicine (Orthopaedic Surgery) Physician
- 207XX0801X Orthopaedic Trauma Physician
Common questions
What does subpart mean?
The organization registered this NPI as a subpart: a part of the organization, such as a location, that bills under its own NPI.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.