Dr. William J. Casey , MD
Ophthalmology • Vallejo, CA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. William Casey has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. William Casey, MD was a registered Ophthalmology practicing in Vallejo, CA. Throughout an active medical career spanning 19 years, Dr. Casey provided care at the practice location at 975 SERENO DR until profile deactivation on 2025-06-05.
Practice Location & Contact Primary Location
975 Sereno Dr
Vallejo, CA 945892441
Specialty Benchmarks & Practice Insights
Comparative analytics for Ophthalmology in Vallejo, CA
Practicing in Vallejo, CA (3116 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207W00000X
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.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Anesthesiology
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Psychiatry
Doctor of Medicine (M.D.)
Hospitalist
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Psychiatry
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on June 05, 2025
NPI status registered as active in NPPES database
Registered at 975 SERENO DR, VALLEJO, CA 945892441 (Tel: 7076511000)
Registered at 1800 HARRISON ST FL 7, OAKLAND, CA 946123429 (Tel: 5106256262)
Recorded as WILLIAM CASEY, MD
Ophthalmology (License #C25338 in CA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
1800 Harrison St Fl 7
Oakland, CA 946123429
Phone: 5106256262
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