Individual Healthcare Provider
Christianne Wa, MD
Provider's NPPES record last updated: March 27, 2024
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1073908976
- Primary Specialty
- Ophthalmology — Retina Specialist
- Practice Location
- Vallejo, 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, 5:36 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
Ophthalmology
Retina Specialist
Allopathic & Osteopathic Physicians
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
Taxonomy code 207WX0107X Ophthalmology
Allopathic & Osteopathic Physicians
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Taxonomy code 207W00000X
Provider-Reported License Information
- Ophthalmology (California)
- A144991
- Ophthalmology (California)
- A144991
- Ophthalmology (Arizona)
- R75586
- Ophthalmology (Michigan)
- 4301117014
Practice Locations
Practice Location
1460 N Camino Alto Ste 206
Vallejo, California 94589-2567
Phone: (800) 573-8462
Additional Practice Location
491 30th St Ste 102
Oakland, California 94609-3235
Phone: (800) 573-8462
Fax: (510) 832-3119
Additional Practice Location
4049 Lone Tree Way Ste Ij
Antioch, California 94531-6202
Phone: (800) 573-8462
Fax: (925) 522-8851
Additional Practice Location
20130 Lake Chabot Rd Ste 303
Castro Valley, California 94546-5340
Phone: (800) 573-8462
Fax: (510) 881-5332
Record Information
- Enumeration Date
- March 30, 2015
- Provider's NPPES Record Last Updated
- March 27, 2024
- Certification Date
- March 27, 2024
- NPISignal NPPES Dataset
- August 2026
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