Quick answers
- Which hospitals does Robert M. Tanaka work at?
- Medicare's official clinician data lists Robert M. Tanaka at 2 hospitals: Adventist Health Sonora and Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert M. Tanaka see patients?
- Medicare's clinician data lists 6 practice locations, including Modesto, CA, Stockton, CA and Sacramento, CA. Call before your visit to confirm the address.
- What is Robert M. Tanaka's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
- Does Robert M. Tanaka accept Medicare assignment?
- Yes. Medicare's clinician data says Robert M. Tanaka 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 Robert M. Tanaka offer telehealth?
- Medicare's clinician data says Robert M. Tanaka offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Robert M. Tanaka?
- (209) 526-4500, as listed in official Medicare / NPI Registry data.
- What is Robert M. Tanaka's NPI number?
- 1194764720. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert M. Tanaka works
Medicare's Facility Affiliation Data lists Robert M. Tanaka at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · CCN 050335
- Memorial Medical CenterModesto, CA · Acute Care Hospital · CCN 050557
Practice locations
Addresses where Robert M. Tanaka is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1700 Coffee RdModesto, CA 95355 (209) 526‑4500
- 2505 W Hammer LnStockton, CA 95209 (209) 957‑7050
- 2545 W Hammer LnStockton, CA 95209 (209) 957‑7050
- 2800 L StSacramento, CA 95816
- 600 Coffee RdModesto, CA 95355 (209) 524‑1211
Group practices
Medicare enrollment lists Robert M. Tanaka as a member of this group (CMS data updated 2026-10-02).
- Sutter Valley Medical Foundation2,500 clinicians in the group
Specialties
Other pulmonologists in Modesto
Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194764720 |
| 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