Quick answers
- Which hospitals does David D. Mach work at?
- Medicare's official clinician data lists David D. Mach at 2 hospitals: Sutter Roseville Medical Center and University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David D. Mach see patients?
- Medicare's clinician data lists 1 practice location in Sacramento, CA. Call before your visit to confirm the address.
- What is David D. Mach's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does David D. Mach accept Medicare assignment?
- Yes. Medicare's clinician data says David D. Mach 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 David D. Mach offer telehealth?
- Medicare's clinician data says David D. Mach offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David D. Mach?
- (916) 734-7777, as listed in official Medicare / NPI Registry data.
- What is David D. Mach's NPI number?
- 1821070202. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David D. Mach works
Medicare's Facility Affiliation Data lists David D. Mach at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · CCN 050309
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · CCN 050599
Practice locations
Addresses where David D. Mach is enrolled with Medicare (CMS data updated 2026-10-02).
- 3160 Folsom Blvd, Suite 2500Sacramento, CA 95816 (916) 734‑7777
Group practices
Medicare enrollment lists David D. Mach as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of California567 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Sacramento
Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821070202 |
| 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