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Active NPI 1306940325 Individual Practitioner Male Practitioner

Dr. Ronald N. Gaster , MD

Ophthalmology • Long Beach, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ronald Gaster, MD is a certified Ophthalmology practicing in Long Beach, CA. With approximately 53 years of clinical experience since graduating from University Of California, Geffen School Of Medicine in 1973, Dr. Gaster delivers high-quality medical care to the local community at 5901 E 7TH ST.

Dr. Gaster is affiliated with Orange Coast Eye Center Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, ct scan of cornea, ultrasound scan of cornea to determine thickness. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5901 E 7th St

Long Beach, CA 908225201

Telephone 5628268000
Fax 5628265788
Associated Practice Facility / Clinic
🏢 Long Beach Vamc Facility NPI 1003866468

Medicare Profile & Education

Medical School

University Of California, Geffen School Of Medicine

Graduation Year

1973

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Long Beach, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
53 Yrs +26.0 yrs vs City Avg
City Avg: 27.0 Yrs
State Avg: 29.5 Yrs
Regional Practice Density
48 Specialists

Practicing in Long Beach, CA (3116 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
63.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gaster (53 Years) 53 Yrs
Long Beach Specialty Average (27.0 Years) 27.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92014 Established patient complete exam of visual system
273 112 $246.70 $139.57
92025 Ct scan of cornea
225 121 $139.56 $40.46
76514 Ultrasound scan of cornea to determine thickness
189 108 $133.07 $11.53
76519 Ultrasound of eye for determination of lens power
179 90 $200.00 $54.36
92133 Imaging of optic nerve
93 93 $300.00 $36.93
92012 Established patient problem focused exam of visual system
65 33 $110.62 $102.30
92004 New patient complete exam of visual system
42 42 $362.50 $164.97

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A026039

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.

Hospital & Practice Group Affiliations

Orange Coast Eye Center Inc

18426 Brookhurst St, Fountain Valley, CA 927086777

Phone: 7145462020

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Sohrab Tanavoli , DO

Internal Medicine

NPI 1003039256

Doctor of Osteopathic Medicine (D.O.)

Raquel Reyes , LSW

Social Worker - Clinical

NPI 1003117144

Licensed Social Worker

Dr. Pargol Nazarian , PharmD

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1003203977

Doctor of Pharmacy (Pharm.D.)

Greyson Nakano

Optometrist

NPI 1003212663
Loremea Bautista

Registered Nurse - Psychiatric/Mental Health

NPI 1003460239
James Watson

Social Worker - Clinical

NPI 1003539149

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 5901 E 7TH ST, LONG BEACH, CA 908225201 (Tel: 5628268000)

📍
Updated Business Mailing Address July 08, 2007

Registered at 5901 E 7TH ST, LONG BEACH, CA 908225201 (Tel: 5628268000)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as RONALD GASTER, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology (License #A026039 in CA)

🟢
Initial NPI Registration & Enumeration September 11, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1306940325
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 11, 2006
Last Update: July 08, 2007
Sole Proprietor: No

Mailing Address

5901 E 7th St

Long Beach, CA 908225201

Phone: 5628268000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.