Doctor profile · Federal record
Dr. Alfred Marrone, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Plastic Surgery Physician · Torrance, CA
- NPI 1841388907
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 55 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
23441 Madison St Ste 120
Torrance, CA 905054734
(310) 530-0300
fax (310) 530-2367 - Mailing address
-
420 E 3Rd St Ste 603
Los Angeles, CA 900131645
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- October 17, 2019
- Year of graduation
- 1971 — 55 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #G24447
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841388907. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,983
Distinct HCPCS
10
Medicare allowed
$254,037
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92012 |
Established patient problem focused exam of visual system | 518 | 331 | $102 | |
92014 |
Established patient complete exam of visual system | 506 | 451 | $143 | |
92083 |
Exam of visual field with extended testing | 206 | 178 | $72 | |
92133 |
Imaging of optic nerve | 146 | 114 | $39 | |
92002 |
New patient problem focused exam of visual system | 85 | 85 | $98 | |
92285 |
Photography of content of eyes | 78 | 76 | $26 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 55 | $141 | |
92004 |
New patient complete exam of visual system | 53 | 53 | $169 | |
92136 |
Measurement of corneal curvature and depth of eye | 53 | 42 | $53 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 45 | 33 | $600 |
In context: peer comparison
Among 17 peers in Torrance Ophthalmology Physician, average services per provider: 278. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$265
Transactions
11
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Oyster Point Pharma, INC. | 4 | $100.07 | |
| Tarsus Pharmaceuticals, INC. | 2 | $63.28 | |
| Alcon Vision LLC | 2 | $36.12 | |
| Astellas Pharma US INC | 1 | $28.16 | |
| Thea Pharma INC. | 1 | $19.01 | |
| Bausch & Lomb Americas INC. | 1 | $18.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,130
Patients
611
Total drug cost
$41,106
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 247 | 71 | $3,778 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 203 | 55 | $6,363 |
| Cephalexin | Generic | 111 | 102 | $535 |
| Ofloxacin | Generic | 90 | 73 | $1,275 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 78 | 53 | $2,330 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 62 | 48 | $4,923 |
| Prednisolone Acetate | Generic | 50 | 45 | $1,789 |
| Bacitracin-Polymyxin (Bacitracin/Polymyxin B Sulfate) | Brand | 47 | 43 | $608 |
| Doxycycline Monohydrate | Generic | 43 | 18 | $3,632 |
| Travoprost | Generic | 43 | 14 | $12,679 |
Frequently asked questions
What is Dr. Alfred Marrone's medical specialty?
Dr. Alfred Marrone practices Ophthalmology Physician in Torrance, CA.
Where does Dr. Alfred Marrone practice?
Dr. Alfred Marrone practices at 23441 Madison St Ste 120, Torrance, CA 905054734. Office phone: 3105300300.
What is Dr. Alfred Marrone's NPI?
Dr. Alfred Marrone's National Provider Identifier (NPI) is 1841388907, issued by NPPES.
Does Dr. Alfred Marrone accept Medicare assignment?
Yes. Dr. Alfred Marrone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alfred Marrone commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.