Quick answers
- Which hospitals does Hamid U. Arain work at?
- Medicare's official clinician data lists Hamid U. Arain at 2 hospitals: Alta Bates Summit Medical Center and Alta Bates Summit Medical Center - Alta Bates Camp…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hamid U. Arain see patients?
- Medicare's clinician data lists 4 practice locations, including Fremont, CA, Oakland, CA and Palo Alto, CA. Call before your visit to confirm the address.
- What is Hamid U. Arain's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Hamid U. Arain accept Medicare assignment?
- Yes. Medicare's clinician data says Hamid U. Arain 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 Hamid U. Arain?
- (510) 490-1222, as listed in official Medicare / NPI Registry data.
- What is Hamid U. Arain's NPI number?
- 1356086250. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hamid U. Arain works
Medicare's Facility Affiliation Data lists Hamid U. Arain at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
Practice locations
Addresses where Hamid U. Arain is enrolled with Medicare (CMS data updated 2026-10-02).
- 3200 Kearney StFremont, CA 94538 (510) 490‑1222
- 350 Hawthorne AveOakland, CA 94609
- 350 Hawthorne Ave, Rm 2346Oakland, CA 94609 (510) 869‑6883
- 795 El Camino RealPalo Alto, CA 94301 (415) 600‑1020
Group practices
Medicare enrollment lists Hamid U. Arain as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Fremont
Clinicians with the same Medicare primary specialty in Fremont, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356086250 |
| 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