Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Joseph Decker, MD

Individual provider Ophthalmology Physician · NPI 1871546010

Dr. Joseph Decker, MD is an Ophthalmology in San Jose, California. Qualified in 1962, 64 years ago. Practices with San Jose Eye Institute Medical Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
64
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

123 Di Salvo Ave Ste 20
San Jose, CA 95128-1717
Phone: (408) 279-4664
Fax: (408) 279-0464
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G11266 (CA)

Record details

NPI number1871546010
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESJanuary 6, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 1962 (64 years in practice)
Group practice San Jose Eye Institute Medical Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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