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

Individual provider Ophthalmology Physician · NPI 1770690505

Alan S Nakanishi, MD is an Ophthalmology in Stockton, California. Graduated from Loma Linda University School of Medicine in 1965, 61 years ago. Practices with Delta Eye Medical Group, Inc, an 8-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
61
Trained at
Loma Linda University School of Medicine
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

1617 Saint Marks Plz Ste D
Stockton, CA 95207-6423
Phone: (209) 478-1797
Fax: (209) 478-1224
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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 G012131 (CA)

Record details

NPI number1770690505
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJune 3, 2008

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1965 (61 years in practice)
Group practice Delta Eye Medical Group, Inc. — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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