Quick answers
- Which hospitals does Seper Dezfoli work at?
- Medicare's official clinician data lists Seper Dezfoli at 3 hospitals: Holland Hospital, Providence St Joseph Hospital and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seper Dezfoli see patients?
- Medicare's clinician data lists 4 practice locations, including Irvine, CA, Long Beach, CA and Holland, MI. Call before your visit to confirm the address.
- What is Seper Dezfoli's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Hospitalist and Internal Medicine.
- Does Seper Dezfoli accept Medicare assignment?
- Yes. Medicare's clinician data says Seper Dezfoli 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 Seper Dezfoli?
- (949) 671-4673, as listed in official Medicare / NPI Registry data.
- What is Seper Dezfoli's NPI number?
- 1104159383. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seper Dezfoli works
Medicare's Facility Affiliation Data lists Seper Dezfoli at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holland HospitalHolland, MI · Acute Care Hospital · CCN 230072
- Providence St Joseph HospitalEureka, CA · Acute Care Hospital · CCN 050006
- St Mary Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050191
Practice locations
Addresses where Seper Dezfoli is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 FivepointIrvine, CA 92618 (949) 671‑4673
- 3816 Woodruff Ave, Suite 411Long Beach, CA 90808 (562) 257‑6110
- 577 Michigan Ave, Suite 202Holland, MI 49423 (616) 546‑9093
- 602 Michigan AveHolland, MI 49423 (616) 546‑4950
Group practices
Medicare enrollment lists Seper Dezfoli as a member of these groups (CMS data updated 2026-10-02).
- City of Hope Medical Foundation982 clinicians in the group
- Prohealth Partners, a Medical Group239 clinicians in the group
- Holland Community Hospital178 clinicians in the group
Specialties
- Gastroenterologyprimary
- Hospitalistalso
- Internal Medicinealso
Other gastroenterologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104159383 |
| 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