Doctor profile · Federal record
Dr. Ronald Gaster, MD
Ophthalmology Physician (CMS: Ophthalmology) · Long Beach, CA
- NPI 1306940325
- Accepts Medicare
- MIPS 97.5 / 100 · 2023
- 53 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5901 E 7Th St
Long Beach, CA 908225201
(562) 826-8000
fax (562) 826-5788
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A026039
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306940325. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,242
Distinct HCPCS
8
Medicare allowed
$88,025
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 292 | 118 | $141 | |
92025 |
Ct scan of cornea | 246 | 146 | $40 | |
76519 |
Ultrasound scan to determine eye length and lens power | 232 | 116 | $55 | |
76514 |
Ultrasound scan of cornea to determine thickness | 210 | 125 | $12 | |
92133 |
Imaging of optic nerve | 115 | 114 | $38 | |
92012 |
Established patient problem focused exam of visual system | 79 | 37 | $101 | |
92004 |
New patient complete exam of visual system | 53 | 53 | $167 | |
92250 |
Photography of the retina | 15 | 15 | $39 |
In context: peer comparison
Among 13 peers in Long Beach Ophthalmology Physician, average services per provider: 270. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$516
Transactions
15
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mallinckrodt Hospital Products INC. | 4 | $125.89 | |
| Tarsus Pharmaceuticals, INC. | 1 | $118.00 | |
| Oyster Point Pharma, INC. | 2 | $55.97 | |
| Sun Pharmaceutical Industries INC. | 2 | $55.48 | |
| RxSight INC | 1 | $47.52 | |
| Alcon Vision LLC | 2 | $46.00 | |
| Bausch & Lomb Americas INC. | 2 | $38.33 | |
| Dompe US, INC. | 1 | $28.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
308
Patients
95
Total drug cost
$92,980
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 148 | 48 | $7,114 |
| Xiidra (Lifitegrast) | Brand | 47 | 11 | $50,502 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 44 | 25 | $1,638 |
| Restasis (Cyclosporine) | Brand | 40 | 11 | $32,879 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 16 | 0 | $589 |
| Timolol Maleate | Generic | 13 | 0 | $259 |
Frequently asked questions
What is Dr. Ronald Gaster's medical specialty?
Dr. Ronald Gaster practices Ophthalmology Physician in Long Beach, CA.
Where does Dr. Ronald Gaster practice?
Dr. Ronald Gaster practices at 5901 E 7Th St, Long Beach, CA 908225201. Office phone: 5628268000.
What is Dr. Ronald Gaster's NPI?
Dr. Ronald Gaster's National Provider Identifier (NPI) is 1306940325, issued by NPPES.
Does Dr. Ronald Gaster accept Medicare assignment?
Yes. Dr. Ronald Gaster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Gaster commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Ct scan of cornea (HCPCS 92025); Ultrasound scan to determine eye length and lens power (HCPCS 76519). Source: CMS Medicare Physician & Other Practitioners file.