Quick answers
- Which hospitals does Derrick Wong work at?
- Medicare's official clinician data lists Derrick Wong at 1 hospital: El Camino Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derrick Wong see patients?
- Medicare's clinician data lists 8 practice locations, including Mountain View, CA, Santa Cruz, CA and Sunnyvale, CA. Call before your visit to confirm the address.
- What is Derrick Wong's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Derrick Wong accept Medicare assignment?
- Yes. Medicare's clinician data says Derrick Wong 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 Derrick Wong offer telehealth?
- Medicare's clinician data says Derrick Wong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Derrick Wong?
- (650) 940-7000, as listed in official Medicare / NPI Registry data.
- What is Derrick Wong's NPI number?
- 1194941104. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derrick Wong works
Medicare's Facility Affiliation Data lists Derrick Wong 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
Practice locations
Addresses where Derrick Wong is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 2500 Grant RdMountain View, CA 94040 (650) 940‑7000
- 2850 Commercial XingSanta Cruz, CA 95065 (831) 460‑7350
- 301 Old San Francisco RdSunnyvale, CA 94086 (408) 739‑6000
- 3200 Kearney StFremont, CA 94538 (510) 490‑1222
- 370 Distel CirLos Altos, CA 94022 (650) 254‑5200
Group practices
Medicare enrollment lists Derrick Wong as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Mountain View
Clinicians with the same Medicare primary specialty in Mountain View, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194941104 |
| 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