Quick answers
- Which hospitals does Billy Lin work at?
- Medicare's official clinician data lists Billy Lin at 1 hospital: St Bernardine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Billy Lin see patients?
- Medicare's clinician data lists 5 practice locations, including San Bernardino, CA, Ontario, CA and Lynwood, CA. Call before your visit to confirm the address.
- What is Billy Lin's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
- Does Billy Lin accept Medicare assignment?
- Yes. Medicare's clinician data says Billy Lin 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 Billy Lin?
- (909) 883-8711, as listed in official Medicare / NPI Registry data.
- What is Billy Lin's NPI number?
- 1073133419. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Billy Lin works
Medicare's Facility Affiliation Data lists Billy Lin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Bernardine Medical CenterSan Bernardino, CA · Acute Care Hospital · CCN 050129
Practice locations
Addresses where Billy Lin is enrolled with Medicare (CMS data updated 2026-10-02).
- 2101 N Waterman AveSan Bernardino, CA 92404 (909) 883‑8711
- 2295 S Vineyard AveOntario, CA 91761 (909) 724‑5000
- 3737 Martin Luther King Jr Blvd, Suite 401Lynwood, CA 90262 (310) 604‑0443
- 8327 Davis St, Suite 101Downey, CA 90241 (562) 904‑6027
- 9961 Sierra AveFontana, CA 92335 (909) 427‑5000
Group practices
Medicare enrollment lists Billy Lin as a member of these groups (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Inpatient Specialists of California PC385 clinicians in the group
- Cardio Medical Consultants Group of Long Beach Inc6 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in San Bernardino
Clinicians with the same Medicare primary specialty in San Bernardino, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073133419 |
| 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