Quick answers
- Which hospitals does Jian Guan work at?
- Medicare's official clinician data lists Jian Guan at 3 hospitals: Providence Little Co of Mary Medical Center San Pedro, Providence Little Company of Mary Medical Center Torrance and Saint John's Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jian Guan see patients?
- Medicare's clinician data lists 1 practice location in Torrance, CA. Call before your visit to confirm the address.
- What is Jian Guan's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Jian Guan accept Medicare assignment?
- Yes. Medicare's clinician data says Jian Guan 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 Jian Guan offer telehealth?
- Medicare's clinician data says Jian Guan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jian Guan?
- (424) 212-5361, as listed in official Medicare / NPI Registry data.
- What is Jian Guan's NPI number?
- 1811262009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jian Guan works
Medicare's Facility Affiliation Data lists Jian Guan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · CCN 050078
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · CCN 050290
Practice locations
Addresses where Jian Guan is enrolled with Medicare (CMS data updated 2026-10-02).
- 4201 Torrance Blvd, Suite 520Torrance, CA 90503 (424) 212‑5361
Group practices
Medicare enrollment lists Jian Guan as a member of this group (CMS data updated 2026-10-02).
- Providence Saint Johns Medical Foundation281 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811262009 |
| 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