Quick answers
- Which hospitals does Wei Bai work at?
- Medicare's official clinician data lists Wei Bai at 1 hospital: Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wei Bai see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Maria, CA and Arroyo Grande, CA. Call before your visit to confirm the address.
- What is Wei Bai's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Wei Bai accept Medicare assignment?
- Yes. Medicare's clinician data says Wei Bai 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 Wei Bai offer telehealth?
- Medicare's clinician data says Wei Bai offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Wei Bai?
- (805) 349-9393, as listed in official Medicare / NPI Registry data.
- What is Wei Bai's NPI number?
- 1053567545. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wei Bai works
Medicare's Facility Affiliation Data lists Wei Bai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · CCN 050107
Practice locations
Addresses where Wei Bai is enrolled with Medicare (CMS data updated 2026-10-02).
- 1325 E Church St, Suite 301Santa Maria, CA 93454 (805) 349‑9393
- 850 Fair Oaks Ave, Suite 310Arroyo Grande, CA 93420 (805) 474‑5310
Group practices
Medicare enrollment lists Wei Bai as a member of this group (CMS data updated 2026-10-02).
- Pacific Central Coast Health Centers253 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Santa Maria
Clinicians with the same Medicare primary specialty in Santa Maria, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1053567545 |
| 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