Quick answers
- Which hospitals does Jonathan J. Falakassa work at?
- Medicare's official clinician data lists Jonathan J. Falakassa at 2 hospitals: Henry Mayo Newhall Hospital and Valley Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan J. Falakassa see patients?
- Medicare's clinician data lists 4 practice locations, including Los Angeles, CA, Northridge, CA and Porter Ranch, CA. Call before your visit to confirm the address.
- What is Jonathan J. Falakassa's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Jonathan J. Falakassa accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan J. Falakassa 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 Jonathan J. Falakassa offer telehealth?
- Medicare's clinician data says Jonathan J. Falakassa offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan J. Falakassa?
- (310) 443-8999, as listed in official Medicare / NPI Registry data.
- What is Jonathan J. Falakassa's NPI number?
- 1285959106. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan J. Falakassa works
Medicare's Facility Affiliation Data lists Jonathan J. Falakassa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · CCN 050624
- Valley Presbyterian HospitalVan Nuys, CA · Acute Care Hospital · CCN 050126
Practice locations
Addresses where Jonathan J. Falakassa is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 UCLA Medical Plz, Suite 460Los Angeles, CA 90024 (310) 443‑8999
- 19950 Rinaldi St, Suite 100Northridge, CA 91326 (818) 363‑2773
- 19950 Rinaldi St, Suite 300Porter Ranch, CA 91326 (818) 271‑2400
- 24051 Newhall Ranch Rd, Bldg CValencia, CA 91355 (661) 254‑6364
Group practices
Medicare enrollment lists Jonathan J. Falakassa as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of California140 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Medical school | University Of California, Irvine, California College Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285959106 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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