Quick answers
- Which hospitals does Rex Justin Lim work at?
- Medicare's official clinician data lists Rex Justin Lim at 4 hospitals: Hoag Memorial Hospital Presbyterian, Providence St. Joseph Hospital, UPMC Chautauqua at Wca and UPMC Hamot. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Rex Justin Lim see patients?
- Medicare's clinician data lists 6 practice locations, including Erie, PA and Santa Ana, CA. Call before your visit to confirm the address.
- What is Rex Justin Lim's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Rex Justin Lim accept Medicare assignment?
- Yes. Medicare's clinician data says Rex Justin Lim 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 Rex Justin Lim offer telehealth?
- Medicare's clinician data says Rex Justin Lim offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Rex Justin Lim?
- (814) 877-6000, as listed in official Medicare / NPI Registry data.
- What is Rex Justin Lim's NPI number?
- 1346528031. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Rex Justin Lim works
Medicare's Facility Affiliation Data lists Rex Justin Lim at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
- UPMC Chautauqua at WcaJamestown, NY · Acute Care Hospital · CCN 330239
- UPMC HamotErie, PA · Acute Care Hospital · CCN 390063
Practice locations
Addresses where Rex Justin Lim is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 201 State StErie, PA 16550 (814) 877‑6000
- 201 State St, Fl 8Erie, PA 16550 (814) 877‑7246
- 300 State StErie, PA 16507 (814) 877‑6111
- 300 State St, Fl 3Erie, PA 16507 (814) 877‑8370
- 3406 Peach StErie, PA 16508 (814) 877‑5381
Group practices
Medicare enrollment lists Rex Justin Lim as a member of these groups (CMS data updated 2026-10-02).
- Regional Health Services Inc568 clinicians in the group
- Infectious Disease Associates of Orange County Inc8 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Erie
Clinicians with the same Medicare primary specialty in Erie, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1346528031 |
| 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