Quick answers
- Where does Gregory Vassilev see patients?
- Medicare's clinician data lists 2 practice locations, including Los Angeles, CA and Westlake Village, CA. Call before your visit to confirm the address.
- What is Gregory Vassilev's specialty?
- Medicare lists Pain Management as the primary specialty, and also Anesthesiology.
- Does Gregory Vassilev accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Vassilev 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.
- Does Gregory Vassilev offer telehealth?
- Medicare's clinician data says Gregory Vassilev offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory Vassilev?
- (310) 443-8999, as listed in official Medicare / NPI Registry data.
- What is Gregory Vassilev's NPI number?
- 1073539748. 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 Vassilev is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 UCLA Medical Plz, Suite 460Los Angeles, CA 90024 (310) 443‑8999
- 30870 Russell Ranch Rd, Suite 330Westlake Village, CA 91362 (805) 497‑7015
Group practices
Medicare enrollment lists Gregory Vassilev as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of California140 clinicians in the group
Specialties
- Pain Managementprimary
- Anesthesiologyalso
Other pain management doctors in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073539748 |
| 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