Quick answers
- Which hospitals does Ly T. Ma work at?
- Medicare's official clinician data lists Ly T. Ma at 5 hospitals: Adventist Health Lodi Memorial, Sutter Auburn Faith Hospital, Sutter Davis Hospital, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ly T. Ma see patients?
- Medicare's clinician data lists 1 practice location in Vallejo, CA. Call before your visit to confirm the address.
- What is Ly T. Ma's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Ly T. Ma accept Medicare assignment?
- Yes. Medicare's clinician data says Ly T. Ma 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 Ly T. Ma?
- (916) 447-6267, as listed in official Medicare / NPI Registry data.
- What is Ly T. Ma's NPI number?
- 1699069385. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ly T. Ma works
Medicare's Facility Affiliation Data lists Ly T. Ma at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Lodi MemorialLodi, CA · Acute Care Hospital · CCN 050336
- Sutter Auburn Faith HospitalAuburn, CA · Acute Care Hospital · CCN 050498
- Sutter Davis HospitalDavis, CA · Acute Care Hospital · CCN 050537
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · CCN 050309
Practice locations
Addresses where Ly T. Ma is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Hospital DrVallejo, CA 94589 (916) 447‑6267
Group practices
Medicare enrollment lists Ly T. Ma as a member of this group (CMS data updated 2026-10-02).
- Diagnostic Pathology Medical Group Inc31 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Vallejo
Clinicians with the same Medicare primary specialty in Vallejo, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699069385 |
| 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