Quick answers
- Where does Gregory J. Hanker see patients?
- Medicare's clinician data lists 3 practice locations, including Los Angeles, CA and Valencia, CA. Call before your visit to confirm the address.
- What is Gregory J. Hanker's specialty?
- Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
- Does Gregory J. Hanker accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Hanker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory J. Hanker?
- (310) 443-8999, as listed in official Medicare / NPI Registry data.
- What is Gregory J. Hanker's NPI number?
- 1811926975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gregory J. Hanker is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 UCLA Medical Plz, Suite 460Los Angeles, CA 90024 (310) 443‑8999
- 24051 Newhall Ranch Rd, Bldg CValencia, CA 91355 (661) 254‑6364
- 757 Westwood PlzLos Angeles, CA 90095 (310) 825‑9111
Group practices
Medicare enrollment lists Gregory J. Hanker as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of California140 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811926975 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians