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

Dr. Ronald N. Gaster, MD

Individual provider Ophthalmology Physician · NPI 1306940325

Dr. Ronald N. Gaster, MD is an Ophthalmology in Long Beach, California. Graduated from University of California, Geffen School of Medicine in 1973, 53 years ago. Practices with Orange Coast Eye Center Inc, a 5-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
53
Trained at
University of California, Geffen 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

5901 E 7th St
Long Beach, CA 90822-5201
Phone: (562) 826-8000
Fax: (562) 826-5788
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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 A026039 (CA)

Record details

NPI number1306940325
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESJuly 8, 2007
Mailing address5901 E 7th St, Long Beach, CA 90822-5201

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1973 (53 years in practice)
Group practice Orange Coast Eye Center Inc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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