Quick answers
- Which hospitals does Douglas Malcolm work at?
- Medicare's official clinician data lists Douglas Malcolm at 2 hospitals: NorthBay Medical Center and St Joseph's Medical Center of Stockton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Douglas Malcolm see patients?
- Medicare's clinician data lists 3 practice locations, including Vacaville, CA, Fairfield, CA and Stockton, CA. Call before your visit to confirm the address.
- What is Douglas Malcolm's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Douglas Malcolm accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas Malcolm 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 Douglas Malcolm?
- (707) 624-7000, as listed in official Medicare / NPI Registry data.
- What is Douglas Malcolm's NPI number?
- 1053345868. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Douglas Malcolm works
Medicare's Facility Affiliation Data lists Douglas Malcolm at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · CCN 050367
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · CCN 050084
Practice locations
Addresses where Douglas Malcolm is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Nut Tree RdVacaville, CA 95687 (707) 624‑7000
- 1200 B Gale Wilson BlvdFairfield, CA 94533 (707) 429‑3600
- 1800 N California StStockton, CA 95204 (209) 467‑6556
Group practices
Medicare enrollment lists Douglas Malcolm as a member of these groups (CMS data updated 2026-10-02).
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- Team Physicians of California Medical Group Inc98 clinicians in the group
- San Francisco Physicians International Medical Group Inc41 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Vacaville
Clinicians with the same Medicare primary specialty in Vacaville, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053345868 |
| 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