Quick answers
- Which hospitals does Sean Darmal work at?
- Medicare's official clinician data lists Sean Darmal at 2 hospitals: Kaiser Foundation Hospital - South Bay and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean Darmal see patients?
- Medicare's clinician data lists 3 practice locations, including Long Beach, CA and Harbor City, CA. Call before your visit to confirm the address.
- What is Sean Darmal's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sean Darmal accept Medicare assignment?
- Yes. Medicare's clinician data says Sean Darmal 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 Sean Darmal?
- (562) 491-9469, as listed in official Medicare / NPI Registry data.
- What is Sean Darmal's NPI number?
- 1053999540. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean Darmal works
Medicare's Facility Affiliation Data lists Sean Darmal at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - South BayHarbor City, CA · Acute Care Hospital · CCN 050411
- St Mary Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050191
Practice locations
Addresses where Sean Darmal is enrolled with Medicare (CMS data updated 2026-10-02).
- 1050 Linden AveLong Beach, CA 90813 (562) 491‑9469
- 25821 Vermont AveHarbor City, CA 90710 (310) 325‑5111
- 25825 Vermont AveHarbor City, CA 90710 (310) 325‑5111
Group practices
Medicare enrollment lists Sean Darmal as a member of these groups (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
- Socal Hospitalists30 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Long Beach
Clinicians with the same Medicare primary specialty in Long Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053999540 |
| 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