Quick answers
- Which hospitals does Ambooj Tiwari work at?
- Medicare's official clinician data lists Ambooj Tiwari at 4 hospitals: El Camino Health, Jamaica Hospital Medical Center, Santa Clara Valley Medical Center and South Brooklyn Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ambooj Tiwari see patients?
- Medicare's clinician data lists 3 practice locations, including San Jose, CA and Brooklyn, NY. Call before your visit to confirm the address.
- What is Ambooj Tiwari's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Ambooj Tiwari accept Medicare assignment?
- Yes. Medicare's clinician data says Ambooj Tiwari 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 Ambooj Tiwari?
- (805) 608-3600, as listed in official Medicare / NPI Registry data.
- What is Ambooj Tiwari's NPI number?
- 1609198779. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ambooj Tiwari works
Medicare's Facility Affiliation Data lists Ambooj Tiwari at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
- Jamaica Hospital Medical CenterJamaica, NY · Acute Care Hospital · CCN 330014
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · CCN 050038
- South Brooklyn HealthBrooklyn, NY · Acute Care Hospital · CCN 330196
Practice locations
Addresses where Ambooj Tiwari is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 N Market St, Suite 300San Jose, CA 95113 (805) 608‑3600
- 225 N Jackson AveSan Jose, CA 95116 (408) 259‑5000
- 2601 Ocean PkwyBrooklyn, NY 11235 (718) 616‑5356
Group practices
Medicare enrollment lists Ambooj Tiwari as a member of these groups (CMS data updated 2026-10-02).
- Physician Affiliate Group of New York PC1,225 clinicians in the group
- Neuranimus P C4 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609198779 |
| 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