Dr. Ronald W Barnet , MD
Ophthalmology • Phoenix, AZ
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. Ronald Barnet has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Ronald Barnet, MD was a registered Ophthalmology practicing in Phoenix, AZ. Throughout an active medical career spanning 20 years, Dr. Barnet provided care at the practice location at 4800 N 22ND ST until profile deactivation on 2026-02-26.
Practice Location & Contact Primary Location
4800 N 22nd St
Barnet Dulaney Perkins Eye Cente
Phoenix, AZ 850164701
Specialty Benchmarks & Practice Insights
Comparative analytics for Ophthalmology in Phoenix, AZ
Practicing in Phoenix, AZ (384 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
Physician Assistant
Physician Assistant (Certified)
Ophthalmology
Doctor of Medicine (M.D.)
Optometrist
Doctor of Optometry
Optometrist
Doctor of Optometry
Optometrist
Doctor of Optometry
Optometrist
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on February 26, 2026
NPI status registered as active in NPPES database
Registered at 4800 N 22ND ST, BARNET DULANEY PERKINS EYE CENTE, PHOENIX, AZ 850164701 (Tel: 6029551000)
Registered at 4800 N 22ND ST, BARNET DULANEY PERKINS EYE CENTE, PHOENIX, AZ 850164701 (Tel: 6029551000)
Recorded as RONALD BARNET, MD
Ophthalmology (License #4674 in AZ)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
4800 N 22nd St, Barnet Dulaney Perkins Eye Cente
Phoenix, AZ 850164701
Phone: 6029551000
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