Individual Healthcare Provider
Wei Bai, MD
Provider's NPPES record last updated: April 22, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1053567545
- Primary Specialty
- Internal Medicine — Hematology & Oncology
- Practice Location
- Santa Maria, California
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 11:38 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Hematology & Oncology
Allopathic & Osteopathic Physicians
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy code 207RH0003X
Provider-Reported License Information
- Internal Medicine (California)
- C166101
- Internal Medicine (Oregon)
- MD153848
Practice Locations
Practice Location
1325 E Church St Ste 301
Santa Maria, California 93454-5915
Phone: (805) 349-9393
Additional Practice Location
850 Fair Oaks Ave Ste 100
Arroyo Grande, California 93420-3929
Phone: (805) 473-0700
Fax: (805) 474-5313
Record Information
- Enumeration Date
- August 15, 2008
- Provider's NPPES Record Last Updated
- April 22, 2026
- Certification Date
- April 22, 2026
- NPISignal NPPES Dataset
- August 2026
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