Quick answers
- Which hospitals does Jeffrey D. Singerman work at?
- Medicare's official clinician data lists Jeffrey D. Singerman at 1 hospital: Eden Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey D. Singerman see patients?
- Medicare's clinician data lists 3 practice locations, including Castro Valley, CA, Los Angeles, CA and San Francisco, CA. Call before your visit to confirm the address.
- What is Jeffrey D. Singerman's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Jeffrey D. Singerman accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. Singerman 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 Jeffrey D. Singerman offer telehealth?
- Medicare's clinician data says Jeffrey D. Singerman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey D. Singerman?
- (510) 537-4415, as listed in official Medicare / NPI Registry data.
- What is Jeffrey D. Singerman's NPI number?
- 1932325446. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey D. Singerman works
Medicare's Facility Affiliation Data lists Jeffrey D. Singerman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eden Medical CenterCastro Valley, CA · Acute Care Hospital · CCN 050488
Practice locations
Addresses where Jeffrey D. Singerman is enrolled with Medicare (CMS data updated 2026-10-02).
- 19845 Lake Chabot Rd, Suite 104Castro Valley, CA 94546 (510) 537‑4415
- 2080 Century Park E, Suite 703Los Angeles, CA 90067 (424) 274‑3346
- 2186 Geary Blvd, Suite 320San Francisco, CA 94115 (415) 749‑6900
Group practices
Medicare enrollment lists Jeffrey D. Singerman as a member of these groups (CMS data updated 2026-10-02).
- Genesis Healthcare Partners PC228 clinicians in the group
- Gastroenterology Specialists Medical Group Inc a Medical Corporation5 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Castro Valley
Clinicians with the same Medicare primary specialty in Castro Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1932325446 |
| 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