Quick answers
- Which hospitals does Simin Siddiq work at?
- Medicare's official clinician data lists Simin Siddiq at 1 hospital: Washington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Simin Siddiq see patients?
- Medicare's clinician data lists 2 practice locations, including San Jose, CA and Fremont, CA. Call before your visit to confirm the address.
- What is Simin Siddiq's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
- Does Simin Siddiq accept Medicare assignment?
- Yes. Medicare's clinician data says Simin Siddiq 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 Simin Siddiq offer telehealth?
- Medicare's clinician data says Simin Siddiq offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Simin Siddiq?
- (408) 272-1600, as listed in official Medicare / NPI Registry data.
- What is Simin Siddiq's NPI number?
- 1255362422. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Simin Siddiq works
Medicare's Facility Affiliation Data lists Simin Siddiq at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Washington HospitalFremont, CA · Acute Care Hospital · CCN 050195
Practice locations
Addresses where Simin Siddiq is enrolled with Medicare (CMS data updated 2026-10-02).
- 175 N Jackson Ave, Suite 103San Jose, CA 95116 (408) 272‑1600
- 2333 Mowry Ave, Suite 300Fremont, CA 94538 (510) 796‑0222
Group practices
Medicare enrollment lists Simin Siddiq as a member of this group (CMS data updated 2026-10-02).
- California Cardiovascular Consultants29 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255362422 |
| 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