Quick answers
- Where does Mark Z. Zhang see patients?
- Medicare's clinician data lists 4 practice locations, including Sacramento, CA and Turlock, CA. Call before your visit to confirm the address.
- What is Mark Z. Zhang's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Mark Z. Zhang accept Medicare assignment?
- Medicare's clinician data says Mark Z. Zhang may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Mark Z. Zhang?
- (916) 569-8600, as listed in official Medicare / NPI Registry data.
- What is Mark Z. Zhang's NPI number?
- 1881769263. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark Z. Zhang is enrolled with Medicare (CMS data updated 2026-10-02).
- 10423 Old Placerville Rd, Suite ASacramento, CA 95827 (916) 569‑8600
- 1740 Fruitridge RdSacramento, CA 95822 (916) 399‑8833
- 4001 J StSacramento, CA 95819 (864) 808‑3530
- 825 Delbon AveTurlock, CA 95382 (864) 908‑3530
Group practices
Medicare enrollment lists Mark Z. Zhang as a member of these groups (CMS data updated 2026-10-02).
- Obhg California PC94 clinicians in the group
- Wellspace Health27 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1881769263 |
| 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
- 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