Quick answers
- Which hospitals does Mark G. Spybrook work at?
- Medicare's official clinician data lists Mark G. Spybrook at 1 hospital: Kaiser Foundation Hosp So Sacramento. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark G. Spybrook see patients?
- Medicare's clinician data lists 2 practice locations, including Sacramento, CA and Stockton, CA. Call before your visit to confirm the address.
- What is Mark G. Spybrook's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark G. Spybrook accept Medicare assignment?
- Yes. Medicare's clinician data says Mark G. Spybrook 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 Mark G. Spybrook?
- (916) 688-2000, as listed in official Medicare / NPI Registry data.
- What is Mark G. Spybrook's NPI number?
- 1801927835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark G. Spybrook works
Medicare's Facility Affiliation Data lists Mark G. Spybrook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hosp So SacramentoSacramento, CA · Acute Care Hospital · CCN 050674
Practice locations
Addresses where Mark G. Spybrook is enrolled with Medicare (CMS data updated 2026-10-02).
- 6600 Bruceville RdSacramento, CA 95823 (916) 688‑2000
- 7373 W LaneStockton, CA 95210 (209) 476‑2000
Group practices
Medicare enrollment lists Mark G. Spybrook as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801927835 |
| 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