Doctor profile · Federal record
Dr. Diana Katsman, MD
Ophthalmology Physician (CMS: Ophthalmology) · Torrance, CA
- NPI 1306003132
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 18 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1000 West Carson Street
Torrance, CA 90509
(310) 222-2409
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- April 4, 2018
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A112485
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306003132. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,590
Distinct HCPCS
10
Medicare allowed
$733,668
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92134 |
Imaging of retina | 3,011 | 661 | $29 | |
92202 |
Extended exam of the back part of the eye with optic nerve drawing | 1,240 | 429 | $17 | |
J9035 |
Injection, bevacizumab, 10 mg | 1,152 | 70 | $25 | |
67028 |
Injection of drug into eye | 977 | 213 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 725 | 388 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 602 | 175 | $98 | |
J7999 |
Compounded drug, not otherwise classified | 556 | 129 | $93 | |
92201 |
Extended exam of the back part of the eye with retinal drawing | 487 | 299 | $27 | |
92012 |
Established patient problem focused exam of visual system | 368 | 190 | $101 | |
J0178 |
Injection, aflibercept, 1 mg | 210 | 22 | $869 |
In context: peer comparison
Among 17 peers in Torrance Ophthalmology Physician, average services per provider: 278. This provider delivers 34× the peer median.Open Payments
Industry payments received
All-time total
$678
Transactions
18
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Apellis Pharmaceuticals, INC. | 2 | $146.77 | |
| Oyster Point Pharma, INC. | 9 | $131.61 | |
| Regeneron Healthcare Solutions, INC. | 1 | $122.10 | |
| Astellas Pharma US INC | 1 | $119.45 | |
| Amgen INC. | 3 | $96.44 | |
| Genentech USA, INC. | 1 | $34.78 | |
| Abbvie INC. | 1 | $27.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
776
Patients
205
Total drug cost
$208,159
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Restasis (Cyclosporine) | Brand | 134 | 35 | $97,678 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 96 | 40 | $1,351 |
| Cyclosporine | Generic | 80 | 23 | $25,680 |
| Latanoprost | Generic | 74 | 20 | $975 |
| Brimonidine Tartrate | Generic | 62 | 14 | $7,843 |
| Lumigan (Bimatoprost) | Brand | 53 | 17 | $23,155 |
| Prolensa (Bromfenac Sodium) | Brand | 50 | 13 | $18,839 |
| Prednisolone Acetate | Generic | 48 | 18 | $1,895 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 37 | 14 | $1,242 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 34 | 0 | $7,555 |
Frequently asked questions
What is Dr. Diana Katsman's medical specialty?
Dr. Diana Katsman practices Ophthalmology Physician in Torrance, CA.
Where does Dr. Diana Katsman practice?
Dr. Diana Katsman practices at 1000 West Carson Street, Torrance, CA 90509. Office phone: 3102222409.
What is Dr. Diana Katsman's NPI?
Dr. Diana Katsman's National Provider Identifier (NPI) is 1306003132, issued by NPPES.
Does Dr. Diana Katsman accept Medicare assignment?
Yes. Dr. Diana Katsman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Katsman commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Extended exam of the back part of the eye with optic nerve drawing (HCPCS 92202); Injection, bevacizumab, 10 mg (HCPCS J9035). Source: CMS Medicare Physician & Other Practitioners file.